https://glassbox-production-fd52.up.railway.app/2026-09-28 https://glassbox-production-fd52.up.railway.app/laws/2026-09-27 https://glassbox-production-fd52.up.railway.app/concepts/2026-09-28 https://glassbox-production-fd52.up.railway.app/history/2026-09-28 https://glassbox-production-fd52.up.railway.app/privacy/2026-09-26 https://glassbox-production-fd52.up.railway.app/terms/2026-09-26 https://glassbox-production-fd52.up.railway.app/e/tvstationclear/2026-09-28https://glassbox-production-fd52.up.railway.app/tvstationclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tvstationclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/tvstationclear/glassbox/thumb.jpgHow does a TV station work?A news channel is a factory that runs live, to the second. Read a teleprompter, cut between cameras in the control room, time a satellite hop, squeeze a…https://glassbox-production-fd52.up.railway.app/tvstationclear/media/how-does-a-tv-station-work-glassbox-video.mp4512026-09-28T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/tvstationclear/2026-09-28https://glassbox-production-fd52.up.railway.app/tvstationclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tvstationclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/tvstationclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/tvstationclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/fmclear/2026-09-28https://glassbox-production-fd52.up.railway.app/fmclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fmclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/fmclear/glassbox/thumb.jpgHow do FM radio channels work?Every FM station is a song racing from a studio, through a microwave dish, up a mast on a hill and into your radio at the speed of light. Tune the whole…https://glassbox-production-fd52.up.railway.app/fmclear/media/how-do-fm-radio-channels-work-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/fmclear/2026-09-28https://glassbox-production-fd52.up.railway.app/fmclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fmclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/fmclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/fmclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/radioclear/2026-09-28https://glassbox-production-fd52.up.railway.app/radioclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/radioclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/radioclear/glassbox/thumb.jpgHow does a radio work?A radio pulls one voice out of an invisible sea of waves, using a coil, a capacitor and a diode. Open up a 1970s transistor set, shake charges into radio…https://glassbox-production-fd52.up.railway.app/radioclear/media/how-does-a-radio-work-glassbox-video.mp4582026-09-26T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/radioclear/2026-09-28https://glassbox-production-fd52.up.railway.app/radioclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/radioclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/radioclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/radioclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/roomheaterclear/2026-09-28https://glassbox-production-fd52.up.railway.app/roomheaterclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/roomheaterclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/roomheaterclear/glassbox/thumb.jpgHow does a room heater work?Every electric heater turns 100% of its electricity into heat, yet a halogen warms your face in a second while an oil radiator needs many minutes to get going.https://glassbox-production-fd52.up.railway.app/roomheaterclear/media/how-does-a-room-heater-work-glassbox-video.mp4572026-09-25T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/roomheaterclear/2026-09-28https://glassbox-production-fd52.up.railway.app/roomheaterclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/roomheaterclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/roomheaterclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/roomheaterclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/hairdryerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/hairdryerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/hairdryerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/hairdryerclear/glassbox/thumb.jpgHow does a hair dryer work?A hair dryer is a fan and 3 metres of hot wire in a plastic tube. Take one apart in 3D, work out its wattage from P = V²/R, watch wet hair stay cool as it…https://glassbox-production-fd52.up.railway.app/hairdryerclear/media/how-does-a-hair-dryer-work-glassbox-video.mp4522026-09-24T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/hairdryerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/hairdryerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/hairdryerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/hairdryerclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/hairdryerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/mcbclear/2026-09-28https://glassbox-production-fd52.up.railway.app/mcbclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mcbclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/mcbclear/glassbox/thumb.jpgHow do an MCB and a switchboard work?A strip of two metals, a tiny electromagnet and a stack of steel plates stand between your wiring and a fire. Open up your home's distribution board in 3D…https://glassbox-production-fd52.up.railway.app/mcbclear/media/how-do-an-mcb-and-a-switchboard-work-glassbox-video.mp4572026-09-23T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/mcbclear/2026-09-28https://glassbox-production-fd52.up.railway.app/mcbclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mcbclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/mcbclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/mcbclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/solarheaterclear/2026-09-28https://glassbox-production-fd52.up.railway.app/solarheaterclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/solarheaterclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/solarheaterclear/glassbox/thumb.jpgHow does a solar water heater work?A rooftop solar water heater has no pump and no motor, yet it turns sunshine into 100 litres of hot water a day. Glass, a vacuum and the simple fact that hot…https://glassbox-production-fd52.up.railway.app/solarheaterclear/media/how-does-a-solar-water-heater-work-glassbox-video.mp4572026-09-22T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/solarheaterclear/2026-09-28https://glassbox-production-fd52.up.railway.app/solarheaterclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/solarheaterclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/solarheaterclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/solarheaterclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/powerlineclear/2026-09-28https://glassbox-production-fd52.up.railway.app/powerlineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/powerlineclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/powerlineclear/glassbox/thumb.jpgHow do high-voltage power lines work?The electricity in your fan was made hundreds of kilometres away, seconds ago. Follow it up to 400,000 volts and back down to 230, and work out live why the…https://glassbox-production-fd52.up.railway.app/powerlineclear/media/how-do-high-voltage-power-lines-work-glassbox-video.mp4552026-09-21T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/powerlineclear/2026-09-28https://glassbox-production-fd52.up.railway.app/powerlineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/powerlineclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/powerlineclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/powerlineclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/transformerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/transformerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/transformerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/transformerclear/glassbox/thumb.jpgHow does an electric transformer work?The grey box on your street's pole has no moving parts, yet it turns 11,000 volts into the 230 volts in your socket. Open one up in 3D, watch the flux swing…https://glassbox-production-fd52.up.railway.app/transformerclear/media/how-does-an-electric-transformer-work-glassbox-video.mp4592026-09-20T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/transformerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/transformerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/transformerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/transformerclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/transformerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/naturopathyclear/2026-09-28https://glassbox-production-fd52.up.railway.app/naturopathyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/naturopathyclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/naturopathyclear/glassbox/thumb.jpgHow does naturopathy work?Hip baths, mud packs, fasting and sunshine: naturopathy heals without medicines, and Gandhi was its biggest fan. Walk its 200-year story from a Silesian water…https://glassbox-production-fd52.up.railway.app/naturopathyclear/media/how-does-naturopathy-work-glassbox-video.mp4522026-09-19T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/naturopathyclear/2026-09-28https://glassbox-production-fd52.up.railway.app/naturopathyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/naturopathyclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/naturopathyclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/naturopathyclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/siddhaclear/2026-09-28https://glassbox-production-fd52.up.railway.app/siddhaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/siddhaclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/siddhaclear/glassbox/thumb.jpgHow does Siddha medicine work?Siddha, the Tamil system of medicine, reads the pulse for three humours, drops sesame oil on urine and fires minerals at 800 °C. See how it works in its own…https://glassbox-production-fd52.up.railway.app/siddhaclear/media/how-does-siddha-medicine-work-glassbox-video.mp4582026-09-18T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/siddhaclear/2026-09-28https://glassbox-production-fd52.up.railway.app/siddhaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/siddhaclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/siddhaclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/siddhaclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/medicineclear/2026-09-28https://glassbox-production-fd52.up.railway.app/medicineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/medicineclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/medicineclear/glassbox/thumb.jpgHow does modern medicine (allopathy) work?Why does 'I took it and got better' prove nothing? Run a hundred fake trials of a useless pill, watch a rare-disease test flag 20 healthy people for every…https://glassbox-production-fd52.up.railway.app/medicineclear/media/how-does-modern-medicine-allopathy-work-glassbox-video.mp4582026-09-17T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/medicineclear/2026-09-28https://glassbox-production-fd52.up.railway.app/medicineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/medicineclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/medicineclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/medicineclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/unaniclear/2026-09-28https://glassbox-production-fd52.up.railway.app/unaniclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/unaniclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/unaniclear/glassbox/thumb.jpgHow does Unani medicine work?Unani means “Greek”: a 2,400-year-old system that travelled from Hippocrates to Baghdad to Delhi. Follow Ibn Sina’s Canon across a map, move a patient’s mizaj…https://glassbox-production-fd52.up.railway.app/unaniclear/media/how-does-unani-medicine-work-glassbox-video.mp4572026-09-16T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/unaniclear/2026-09-28https://glassbox-production-fd52.up.railway.app/unaniclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/unaniclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/unaniclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/unaniclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/homeopathyclear/2026-09-28https://glassbox-production-fd52.up.railway.app/homeopathyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/homeopathyclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/homeopathyclear/glassbox/thumb.jpgHow does homeopathy work?Dilute a remedy 1 in 100, shake it, and repeat thirty times. Count the molecules with Avogadro's number, watch them run out at 12C, find out why 30C would…https://glassbox-production-fd52.up.railway.app/homeopathyclear/media/how-does-homeopathy-work-glassbox-video.mp4562026-09-15T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/homeopathyclear/2026-09-28https://glassbox-production-fd52.up.railway.app/homeopathyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/homeopathyclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/homeopathyclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/homeopathyclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/ayurvedaclear/2026-09-28https://glassbox-production-fd52.up.railway.app/ayurvedaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/ayurvedaclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/ayurvedaclear/glassbox/thumb.jpgHow does Ayurveda work?Half of India used an AYUSH system last year, and Ayurveda most of all. Build the five elements into vata, pitta and kapha, boil a kwatha down to a quarter…https://glassbox-production-fd52.up.railway.app/ayurvedaclear/media/how-does-ayurveda-work-glassbox-video.mp4572026-09-14T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/ayurvedaclear/2026-09-28https://glassbox-production-fd52.up.railway.app/ayurvedaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/ayurvedaclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/ayurvedaclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/ayurvedaclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/videomodelclear/2026-09-28https://glassbox-production-fd52.up.railway.app/videomodelclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/videomodelclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/videomodelclear/glassbox/thumb.jpgHow do AI video models work?Every AI video starts as pure static. Watch a real diffusion model pull a picture out of noise in your browser, steer it with a prompt, see why frames flicker…https://glassbox-production-fd52.up.railway.app/videomodelclear/media/how-do-ai-video-models-work-glassbox-video.mp4582026-09-13T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/videomodelclear/2026-09-28https://glassbox-production-fd52.up.railway.app/videomodelclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/videomodelclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/videomodelclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/videomodelclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/visionclear/2026-09-28https://glassbox-production-fd52.up.railway.app/visionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/visionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/visionclear/glassbox/thumb.jpgHow does image recognition work?To a computer, a mango is 2,304 numbers. Here a tiny camera renders one, hand-made filters find its edges, and a real neural network learns to tell mangoes…https://glassbox-production-fd52.up.railway.app/visionclear/media/how-does-image-recognition-work-glassbox-video.mp4522026-09-12T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/visionclear/2026-09-28https://glassbox-production-fd52.up.railway.app/visionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/visionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/visionclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/visionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/inferenceclear/2026-09-28https://glassbox-production-fd52.up.railway.app/inferenceclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/inferenceclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/inferenceclear/glassbox/thumb.jpgHow does AI inference work?Training a model happens once; using it happens billions of times. Watch a frozen network answer questions, light up a grid of multiply-adds, see why a…https://glassbox-production-fd52.up.railway.app/inferenceclear/media/how-does-ai-inference-work-glassbox-video.mp4552026-09-11T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/inferenceclear/2026-09-28https://glassbox-production-fd52.up.railway.app/inferenceclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/inferenceclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/inferenceclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/inferenceclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/llmclear/2026-09-28https://glassbox-production-fd52.up.railway.app/llmclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/llmclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/llmclear/glassbox/thumb.jpgHow do large language models (LLMs) work?Every chatbot answer is built one guess at a time. Train a real tiny language model on a paragraph about monsoons and chai, watch a tokenizer chop Hindi into…https://glassbox-production-fd52.up.railway.app/llmclear/media/how-do-large-language-models-llms-work-glassbox-video.mp4532026-09-10T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/llmclear/2026-09-28https://glassbox-production-fd52.up.railway.app/llmclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/llmclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/llmclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/llmclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/neuralnetclear/2026-09-28https://glassbox-production-fd52.up.railway.app/neuralnetclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/neuralnetclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/neuralnetclear/glassbox/thumb.jpgHow do neural networks work?A neural network is just multiply, add and squash, done millions of times with weights it learns from examples. Here they really compute and train in your…https://glassbox-production-fd52.up.railway.app/neuralnetclear/media/how-do-neural-networks-work-glassbox-video.mp4572026-09-09T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/neuralnetclear/2026-09-28https://glassbox-production-fd52.up.railway.app/neuralnetclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/neuralnetclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/neuralnetclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/neuralnetclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/computerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/computerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/computerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/computerclear/glassbox/thumb.jpgHow does a computer work?A computer is billions of switches following a list of tiny instructions, one clock tick at a time. Take a desktop apart, type your name and see its bytes…https://glassbox-production-fd52.up.railway.app/computerclear/media/how-does-a-computer-work-glassbox-video.mp4562026-09-08T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/computerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/computerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/computerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/computerclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/computerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/calculatorclear/2026-09-28https://glassbox-production-fd52.up.railway.app/calculatorclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/calculatorclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/calculatorclear/glassbox/thumb.jpgHow does a calculator work?Press 7 and a chip scans a grid of wires, waits out the bounce and stores 0111. Build the adder from real logic gates, watch the carry ripple, and see why 1 ÷…https://glassbox-production-fd52.up.railway.app/calculatorclear/media/how-does-a-calculator-work-glassbox-video.mp4582026-09-07T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/calculatorclear/2026-09-28https://glassbox-production-fd52.up.railway.app/calculatorclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/calculatorclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/calculatorclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/calculatorclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/pagerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/pagerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pagerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/pagerclear/glassbox/thumb.jpgHow does a pager work?Before mobiles, a beep on your belt meant someone needed you. Open a 1990s pager in 3D, type a message into a real POCSAG encoder, add radio noise and watch…https://glassbox-production-fd52.up.railway.app/pagerclear/media/how-does-a-pager-work-glassbox-video.mp4542026-09-06T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/pagerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/pagerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pagerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/pagerclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/pagerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/mobileclear/2026-09-28https://glassbox-production-fd52.up.railway.app/mobileclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mobileclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/mobileclear/glassbox/thumb.jpgHow does a mobile phone work?Your phone is a two-way radio that shouts to a tower up to a few kilometres away, proves who you are with a secret key, and hands your call from cell to cell…https://glassbox-production-fd52.up.railway.app/mobileclear/media/how-does-a-mobile-phone-work-glassbox-video.mp4582026-09-05T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/mobileclear/2026-09-28https://glassbox-production-fd52.up.railway.app/mobileclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mobileclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/mobileclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/mobileclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/telephoneclear/2026-09-28https://glassbox-production-fd52.up.railway.app/telephoneclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/telephoneclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/telephoneclear/glassbox/thumb.jpgHow does a telephone work?Your voice squeezes a pinch of carbon, a current copies the sound, and a switch that steps once per pulse finds the other phone. Take a rotary phone apart in…https://glassbox-production-fd52.up.railway.app/telephoneclear/media/how-does-a-telephone-work-glassbox-video.mp4552026-09-04T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/telephoneclear/2026-09-28https://glassbox-production-fd52.up.railway.app/telephoneclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/telephoneclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/telephoneclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/telephoneclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/faxclear/2026-09-28https://glassbox-production-fd52.up.railway.app/faxclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/faxclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/faxclear/glassbox/thumb.jpgHow does a fax machine work?A fax turns your page into 2 million dots, squeezes them 10 to 20 times with a clever code book, and sings them down a phone line. Scan your own drawing, read…https://glassbox-production-fd52.up.railway.app/faxclear/media/how-does-a-fax-machine-work-glassbox-video.mp4512026-09-03T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/faxclear/2026-09-28https://glassbox-production-fd52.up.railway.app/faxclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/faxclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/faxclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/faxclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/printerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/printerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/printerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/printerclear/glassbox/thumb.jpgHow does a printer work?A heater boils ink into a bubble in three millionths of a second. A laser draws your page in static electricity. Open up an inkjet and a laser printer in 3D…https://glassbox-production-fd52.up.railway.app/printerclear/media/how-does-a-printer-work-glassbox-video.mp4522026-09-02T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/printerclear/2026-09-28https://glassbox-production-fd52.up.railway.app/printerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/printerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/printerclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/printerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/projectorclear/2026-09-28https://glassbox-production-fd52.up.railway.app/projectorclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/projectorclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/projectorclear/glassbox/thumb.jpgHow does a cinema projector work?A Maltese cross that stops the film 24 times a second, a shutter that flashes every frame twice, and a chip with 9 million tilting mirrors. Step into the…https://glassbox-production-fd52.up.railway.app/projectorclear/media/how-does-a-cinema-projector-work-glassbox-video.mp4562026-09-01T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/projectorclear/2026-09-28https://glassbox-production-fd52.up.railway.app/projectorclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/projectorclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/projectorclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/projectorclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/gradeclear/2026-09-28https://glassbox-production-fd52.up.railway.app/gradeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/gradeclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/gradeclear/glassbox/thumb.jpgHow does colour grading work?Film a street, three faces and a sunset in 3D, then grade them yourself. A real grading pipeline runs on your graphics card: log footage through a 3D LUT…https://glassbox-production-fd52.up.railway.app/gradeclear/media/how-does-colour-grading-work-glassbox-video.mp4552026-08-31T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/gradeclear/2026-09-28https://glassbox-production-fd52.up.railway.app/gradeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/gradeclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/gradeclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/gradeclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/editclear/2026-09-28https://glassbox-production-fd52.up.railway.app/editclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/editclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/editclear/glassbox/thumb.jpgHow does film editing work?Three cameras filmed the same café scene. Cut it yourself on a live timeline, drag a cut on an opening door until it jumps, put the same blank face next to…https://glassbox-production-fd52.up.railway.app/editclear/media/how-does-film-editing-work-glassbox-video.mp4502026-08-30T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/editclear/2026-09-28https://glassbox-production-fd52.up.railway.app/editclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/editclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/editclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/editclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/virtualprodclear/2026-09-28https://glassbox-production-fd52.up.railway.app/virtualprodclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/virtualprodclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/virtualprodclear/glassbox/thumb.jpgHow does virtual production work?The desert behind the actor is a wall of LEDs, redrawn 24 times a second for exactly where the camera stands. Step inside a working LED volume: move the…https://glassbox-production-fd52.up.railway.app/virtualprodclear/media/how-does-virtual-production-work-glassbox-video.mp4512026-08-29T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/virtualprodclear/2026-09-28https://glassbox-production-fd52.up.railway.app/virtualprodclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/virtualprodclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/virtualprodclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/virtualprodclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/mocapclear/2026-09-28https://glassbox-production-fd52.up.railway.app/mocapclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mocapclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/mocapclear/glassbox/thumb.jpgHow does motion capture work?A mocap camera never sees the actor, only bright dots on black. Walk a faceless performer through a ring of infrared cameras, cross the rays that pin each…https://glassbox-production-fd52.up.railway.app/mocapclear/media/how-does-motion-capture-work-glassbox-video.mp4552026-08-28T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/mocapclear/2026-09-28https://glassbox-production-fd52.up.railway.app/mocapclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mocapclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/mocapclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/mocapclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/vfxclear/2026-09-28https://glassbox-production-fd52.up.railway.app/vfxclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/vfxclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/vfxclear/glassbox/thumb.jpgHow do visual effects (VFX) work?Film an actor on a rock in front of a green wall, then turn it into a valley with an airship overhead. Key a real green screen, track a shaky camera, stack…https://glassbox-production-fd52.up.railway.app/vfxclear/media/how-do-visual-effects-vfx-work-glassbox-video.mp4522026-08-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/vfxclear/2026-09-28https://glassbox-production-fd52.up.railway.app/vfxclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/vfxclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/vfxclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/vfxclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/cgiclear/2026-09-28https://glassbox-production-fd52.up.railway.app/cgiclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cgiclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/cgiclear/glassbox/thumb.jpgHow does CGI rendering work?Every frame of an animated film starts as millions of rays fired from a camera that does not exist. Run a real ray tracer and path tracer in your browser…https://glassbox-production-fd52.up.railway.app/cgiclear/media/how-does-cgi-rendering-work-glassbox-video.mp4582026-08-26T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/cgiclear/2026-09-28https://glassbox-production-fd52.up.railway.app/cgiclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cgiclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/cgiclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/cgiclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/anim3dclear/2026-09-28https://glassbox-production-fd52.up.railway.app/anim3dclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/anim3dclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/anim3dclear/glassbox/thumb.jpgHow does 3D animation work?Toy Story's 114,240 frames took about 800,000 computer-hours to render. Build a robot's head from a cube, rig its arm with real IK, key a hop in a graph…https://glassbox-production-fd52.up.railway.app/anim3dclear/media/how-does-3d-animation-work-glassbox-video.mp4582026-08-25T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/anim3dclear/2026-09-28https://glassbox-production-fd52.up.railway.app/anim3dclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/anim3dclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/anim3dclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/anim3dclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/stopmotionclear/2026-09-28https://glassbox-production-fd52.up.railway.app/stopmotionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/stopmotionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/stopmotionclear/glassbox/thumb.jpgHow does stop-motion animation work?One minute of stop-motion is 1,440 photos, and a good animator makes about four seconds a week. Nudge a clay chai-wallah frame by frame, look inside his metal…https://glassbox-production-fd52.up.railway.app/stopmotionclear/media/how-does-stop-motion-animation-work-glassbox-video.mp4552026-08-24T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/stopmotionclear/2026-09-28https://glassbox-production-fd52.up.railway.app/stopmotionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/stopmotionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/stopmotionclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/stopmotionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/anim2dclear/2026-09-28https://glassbox-production-fd52.up.railway.app/anim2dclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/anim2dclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/anim2dclear/glassbox/thumb.jpgHow does 2D animation work?Every cartoon is a pile of drawings. Flip a flip-book, fill in a jump between key poses, switch the 12 principles on and off on a bouncing ball, spread cels…https://glassbox-production-fd52.up.railway.app/anim2dclear/media/how-does-2d-animation-work-glassbox-video.mp4552026-08-23T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/anim2dclear/2026-09-28https://glassbox-production-fd52.up.railway.app/anim2dclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/anim2dclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/anim2dclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/anim2dclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/filmsoundclear/2026-09-28https://glassbox-production-fd52.up.railway.app/filmsoundclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/filmsoundclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/filmsoundclear/glassbox/thumb.jpgHow do film sound and Foley work?Most of what you hear in a film was never recorded on set. Hang a boom mic just out of shot, snap celery for breaking bones, build a monster's roar from three…https://glassbox-production-fd52.up.railway.app/filmsoundclear/media/how-do-film-sound-and-foley-work-glassbox-video.mp4562026-08-22T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/filmsoundclear/2026-09-28https://glassbox-production-fd52.up.railway.app/filmsoundclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/filmsoundclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/filmsoundclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/filmsoundclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/sfxclear/2026-09-28https://glassbox-production-fd52.up.railway.app/sfxclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/sfxclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/sfxclear/glassbox/thumb.jpgHow do practical special effects work?Film rain is often heavier than a monsoon cloudburst, yet it vanishes on camera unless it is lit from behind. Run a rain bar and a wind machine, shatter a…https://glassbox-production-fd52.up.railway.app/sfxclear/media/how-do-practical-special-effects-work-glassbox-video.mp4552026-08-21T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/sfxclear/2026-09-28https://glassbox-production-fd52.up.railway.app/sfxclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/sfxclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/sfxclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/sfxclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/lightingclear/2026-09-28https://glassbox-production-fd52.up.railway.app/lightingclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/lightingclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/lightingclear/glassbox/thumb.jpgHow does film lighting work?A film set is dark until someone decides where every shadow falls. Drag a key light round a face, turn a hard lamp soft, dial tungsten into daylight, flip a…https://glassbox-production-fd52.up.railway.app/lightingclear/media/how-does-film-lighting-work-glassbox-video.mp4552026-08-20T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/lightingclear/2026-09-28https://glassbox-production-fd52.up.railway.app/lightingclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/lightingclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/lightingclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/lightingclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/cinecameraclear/2026-09-28https://glassbox-production-fd52.up.railway.app/cinecameraclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cinecameraclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/cinecameraclear/glassbox/thumb.jpgHow does a cinema camera work?A spinning shutter that is dark half the time, glass filters that throw away nine stops of sunlight, and a crew member whose whole job is turning one focus…https://glassbox-production-fd52.up.railway.app/cinecameraclear/media/how-does-a-cinema-camera-work-glassbox-video.mp4552026-08-19T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/cinecameraclear/2026-09-28https://glassbox-production-fd52.up.railway.app/cinecameraclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cinecameraclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/cinecameraclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/cinecameraclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/conceptartclear/2026-09-28https://glassbox-production-fd52.up.railway.app/conceptartclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/conceptartclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/conceptartclear/glassbox/thumb.jpgHow does concept art work?Before a film builds a single set, someone paints it. Design a robot auto-rickshaw from twelve black silhouettes, paint a monsoon street in greys then colour…https://glassbox-production-fd52.up.railway.app/conceptartclear/media/how-does-concept-art-work-glassbox-video.mp4562026-08-18T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/conceptartclear/2026-09-28https://glassbox-production-fd52.up.railway.app/conceptartclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/conceptartclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/conceptartclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/conceptartclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/storyboardclear/2026-09-28https://glassbox-production-fd52.up.railway.app/storyboardclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/storyboardclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/storyboardclear/glassbox/thumb.jpgHow do screenplays and storyboards work?Before a camera rolls, a film already exists twice: as a script where one page is about one minute, and as a comic strip of every shot. Write a scene, board…https://glassbox-production-fd52.up.railway.app/storyboardclear/media/how-do-screenplays-and-storyboards-work-glassbox-video.mp4582026-08-17T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/storyboardclear/2026-09-28https://glassbox-production-fd52.up.railway.app/storyboardclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/storyboardclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/storyboardclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/storyboardclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/filmclear/2026-09-28https://glassbox-production-fd52.up.railway.app/filmclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/filmclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/filmclear/glassbox/thumb.jpgHow does a film get made?A two-hour film is 172,800 still photos, cut from 100 hours of footage by hundreds of people. Walk a film can across a studio lot, spin a zoetrope, run a take…https://glassbox-production-fd52.up.railway.app/filmclear/media/how-does-a-film-get-made-glassbox-video.mp4562026-08-16T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/filmclear/2026-09-28https://glassbox-production-fd52.up.railway.app/filmclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/filmclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/filmclear/history/2026-09-28https://glassbox-production-fd52.up.railway.app/filmclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/reproductionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/reproductionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/reproductionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/reproductionclear/glassbox/thumb.jpgHow does the reproductive system work?Two small sets of organs, deep in the pelvis, can start a whole new person. See the organs as clean diagrams, watch the brain switch on puberty, run the…https://glassbox-production-fd52.up.railway.app/reproductionclear/media/how-does-the-reproductive-system-work-glassbox-video.mp4572026-08-15T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/reproductionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/reproductionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/reproductionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/reproductionclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/reproductionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/immuneclear/2026-09-27https://glassbox-production-fd52.up.railway.app/immuneclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/immuneclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/immuneclear/glassbox/thumb.jpgHow does the immune system work?Every day your marrow makes about 100 billion new defenders. Push a dirty splinter into the skin and watch neutrophils eat the bacteria, find the one B cell…https://glassbox-production-fd52.up.railway.app/immuneclear/media/how-does-the-immune-system-work-glassbox-video.mp4582026-08-14T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/immuneclear/2026-09-27https://glassbox-production-fd52.up.railway.app/immuneclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/immuneclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/immuneclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/immuneclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/endocrineclear/2026-09-27https://glassbox-production-fd52.up.railway.app/endocrineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/endocrineclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/endocrineclear/glassbox/thumb.jpgHow does the endocrine system work?Nine small glands, from a pea under your brain to the islets in your pancreas, run your body by sending chemical messages in the blood. Watch only the cells…https://glassbox-production-fd52.up.railway.app/endocrineclear/media/how-does-the-endocrine-system-work-glassbox-video.mp4582026-08-13T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/endocrineclear/2026-09-27https://glassbox-production-fd52.up.railway.app/endocrineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/endocrineclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/endocrineclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/endocrineclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/muscleclear/2026-09-27https://glassbox-production-fd52.up.railway.app/muscleclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/muscleclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/muscleclear/glassbox/thumb.jpgHow do your muscles move you?More than 600 muscles, a third of your body, and every one can only pull. Peel a body down to its muscles, zoom into a sarcomere to watch myosin heads tug on…https://glassbox-production-fd52.up.railway.app/muscleclear/media/how-do-your-muscles-move-you-glassbox-video.mp4512026-08-12T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/muscleclear/2026-09-27https://glassbox-production-fd52.up.railway.app/muscleclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/muscleclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/muscleclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/muscleclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/skeletonclear/2026-09-27https://glassbox-production-fd52.up.railway.app/skeletonclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/skeletonclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/skeletonclear/glassbox/thumb.jpgHow does the skeletal system work?Your skeleton is 206 living bones: a frame, a shield, a set of levers and a blood factory. Count every bone, cut a femur open, bend five kinds of joint, feel…https://glassbox-production-fd52.up.railway.app/skeletonclear/media/how-does-the-skeletal-system-work-glassbox-video.mp4502026-08-11T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/skeletonclear/2026-09-27https://glassbox-production-fd52.up.railway.app/skeletonclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/skeletonclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/skeletonclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/skeletonclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/nervousclear/2026-09-27https://glassbox-production-fd52.up.railway.app/nervousclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/nervousclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/nervousclear/glassbox/thumb.jpgHow does the nervous system work?A brain, a finger-thick cable down your back and nerves that reach your toes carry messages at up to 120 metres a second. Fire a neuron, send a puff of…https://glassbox-production-fd52.up.railway.app/nervousclear/media/how-does-the-nervous-system-work-glassbox-video.mp4562026-08-10T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/nervousclear/2026-09-27https://glassbox-production-fd52.up.railway.app/nervousclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/nervousclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/nervousclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/nervousclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/excretionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/excretionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/excretionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/excretionclear/glassbox/thumb.jpgHow does the excretory system work?Every day you get rid of about 1 kg of carbon dioxide, a litre and a half of urine and a surprising amount of sweat. See all four ways out in a see-through…https://glassbox-production-fd52.up.railway.app/excretionclear/media/how-does-the-excretory-system-work-glassbox-video.mp4592026-08-09T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/excretionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/excretionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/excretionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/excretionclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/excretionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/digestionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/digestionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/digestionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/digestionclear/glassbox/thumb.jpgHow does the digestive system work?A thali takes seconds in your mouth, hours in your stomach and small intestine, and a day or two in your colon. Follow it through a see-through body, watch…https://glassbox-production-fd52.up.railway.app/digestionclear/media/how-does-the-digestive-system-work-glassbox-video.mp4582026-08-08T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/digestionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/digestionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/digestionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/digestionclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/digestionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/respirationclear/2026-09-27https://glassbox-production-fd52.up.railway.app/respirationclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/respirationclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/respirationclear/glassbox/thumb.jpgHow does the respiratory system work?You breathe about 20,000 times a day and never think about it. Follow one breath from your nose to a working muscle cell, and meet the brainstem autopilot…https://glassbox-production-fd52.up.railway.app/respirationclear/media/how-does-the-respiratory-system-work-glassbox-video.mp4582026-08-07T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/respirationclear/2026-09-27https://glassbox-production-fd52.up.railway.app/respirationclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/respirationclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/respirationclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/respirationclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/circulationclear/2026-09-27https://glassbox-production-fd52.up.railway.app/circulationclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/circulationclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/circulationclear/glassbox/thumb.jpgHow does the circulatory system work?Five litres of blood go round your body about once a minute, through a network that reaches almost every cell. Follow one red blood cell to the lungs and…https://glassbox-production-fd52.up.railway.app/circulationclear/media/how-does-the-circulatory-system-work-glassbox-video.mp4582026-08-06T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/circulationclear/2026-09-27https://glassbox-production-fd52.up.railway.app/circulationclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/circulationclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/circulationclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/circulationclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/skinclear/2026-09-27https://glassbox-production-fd52.up.railway.app/skinclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/skinclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/skinclear/glassbox/thumb.jpgHow does the skin work?Your skin is your largest organ: about 2 square metres that keeps water in, germs out and your core at 37 °C. Cut open a block of it, follow a cell from birth…https://glassbox-production-fd52.up.railway.app/skinclear/media/how-does-the-skin-work-glassbox-video.mp4572026-08-05T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/skinclear/2026-09-27https://glassbox-production-fd52.up.railway.app/skinclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/skinclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/skinclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/skinclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/kidneyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/kidneyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/kidneyclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/kidneyclear/glassbox/thumb.jpgHow do the kidneys work?Every day your kidneys squeeze about 180 litres out of your blood and quietly put 99% of it back. Zoom into a nephron, push plasma through a three-layer…https://glassbox-production-fd52.up.railway.app/kidneyclear/media/how-do-the-kidneys-work-glassbox-video.mp4572026-08-04T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/kidneyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/kidneyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/kidneyclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/kidneyclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/kidneyclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/pancreasclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pancreasclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pancreasclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/pancreasclear/glassbox/thumb.jpgHow does the pancreas work?Behind your stomach sits a soft, 15 cm organ that does two jobs at once: it pours out a litre or more of digestive juice a day, and a million tiny islands…https://glassbox-production-fd52.up.railway.app/pancreasclear/media/how-does-the-pancreas-work-glassbox-video.mp4582026-08-03T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/pancreasclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pancreasclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pancreasclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/pancreasclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/pancreasclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/liverclear/2026-09-27https://glassbox-production-fd52.up.railway.app/liverclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/liverclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/liverclear/glassbox/thumb.jpgHow does the liver work?Your liver gets blood from two pipes, stores your sugar overnight, turns poison into waste and can grow back after most of it is removed. Zoom from the whole…https://glassbox-production-fd52.up.railway.app/liverclear/media/how-does-the-liver-work-glassbox-video.mp4592026-08-02T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/liverclear/2026-09-27https://glassbox-production-fd52.up.railway.app/liverclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/liverclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/liverclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/liverclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/intestineclear/2026-09-27https://glassbox-production-fd52.up.railway.app/intestineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/intestineclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/intestineclear/glassbox/thumb.jpgHow do the intestines work?Between your stomach and the exit lies a folded tube 3 to 5 metres long, with an inner surface of about 30 square metres and 38 trillion bacteria living in it.https://glassbox-production-fd52.up.railway.app/intestineclear/media/how-do-the-intestines-work-glassbox-video.mp4532026-08-01T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/intestineclear/2026-09-27https://glassbox-production-fd52.up.railway.app/intestineclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/intestineclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/intestineclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/intestineclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/stomachclear/2026-09-27https://glassbox-production-fd52.up.railway.app/stomachclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/stomachclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/stomachclear/glassbox/thumb.jpgHow does the stomach digest food?Your stomach is a muscular bag of acid strong enough to dissolve meat, yet it doesn't digest itself. Swallow a bolus, cut the stomach open, watch it churn…https://glassbox-production-fd52.up.railway.app/stomachclear/media/how-does-the-stomach-digest-food-glassbox-video.mp4582026-07-31T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/stomachclear/2026-09-27https://glassbox-production-fd52.up.railway.app/stomachclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/stomachclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/stomachclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/stomachclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/tongueclear/2026-09-27https://glassbox-production-fd52.up.railway.app/tongueclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tongueclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/tongueclear/glassbox/thumb.jpgHow does the tongue taste?The tongue map in your school book is a myth, chilli heat is not a taste at all, and most of what you call flavour is really smell. Open up a 3D mouth, watch…https://glassbox-production-fd52.up.railway.app/tongueclear/media/how-does-the-tongue-taste-glassbox-video.mp4582026-07-30T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/tongueclear/2026-09-27https://glassbox-production-fd52.up.railway.app/tongueclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tongueclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/tongueclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/tongueclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/noseclear/2026-09-27https://glassbox-production-fd52.up.railway.app/noseclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/noseclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/noseclear/glassbox/thumb.jpgHow does the nose smell?Your nose is two 10 cm tunnels with a stamp-sized smell patch in the roof, about 400 kinds of receptor, and a direct line to the brain's memory centres.https://glassbox-production-fd52.up.railway.app/noseclear/media/how-does-the-nose-smell-glassbox-video.mp4552026-07-29T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/noseclear/2026-09-27https://glassbox-production-fd52.up.railway.app/noseclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/noseclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/noseclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/noseclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/earclear/2026-09-27https://glassbox-production-fd52.up.railway.app/earclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/earclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/earclear/glassbox/thumb.jpgHow does the ear hear?Your ear turns a wobble of air smaller than an atom into music, speech and warning. Take a 3D ear apart, unroll the cochlea to see where each pitch lands…https://glassbox-production-fd52.up.railway.app/earclear/media/how-does-the-ear-hear-glassbox-video.mp4572026-07-28T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/earclear/2026-09-27https://glassbox-production-fd52.up.railway.app/earclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/earclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/earclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/earclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/eyeclear/2026-09-27https://glassbox-production-fd52.up.railway.app/eyeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/eyeclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/eyeclear/glassbox/thumb.jpgHow does the eye see?Your eye is a 24 mm camera that focuses by changing the shape of a living lens, turns light into signals with 120 million rods and 6 million cones, and even…https://glassbox-production-fd52.up.railway.app/eyeclear/media/how-does-the-eye-see-glassbox-video.mp4532026-07-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/eyeclear/2026-09-27https://glassbox-production-fd52.up.railway.app/eyeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/eyeclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/eyeclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/eyeclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/brainclear/2026-09-27https://glassbox-production-fd52.up.railway.app/brainclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/brainclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/brainclear/glassbox/thumb.jpgHow does the brain work?86 billion neurons, 100 trillion connections and about 20 watts. Take a 3D brain apart, fire a neuron, light up the areas you use to speak, and watch memories…https://glassbox-production-fd52.up.railway.app/brainclear/media/how-does-the-brain-work-glassbox-video.mp4532026-07-26T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/brainclear/2026-09-27https://glassbox-production-fd52.up.railway.app/brainclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/brainclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/brainclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/brainclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/lungsclear/2026-09-27https://glassbox-production-fd52.up.railway.app/lungsclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/lungsclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/lungsclear/glassbox/thumb.jpgHow do the lungs work?You breathe about 20,000 times a day without thinking. Follow one breath from your nose to 480 million tiny air sacs, and watch oxygen slip into your blood.https://glassbox-production-fd52.up.railway.app/lungsclear/media/how-do-the-lungs-work-glassbox-video.mp4532026-07-25T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/lungsclear/2026-09-27https://glassbox-production-fd52.up.railway.app/lungsclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/lungsclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/lungsclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/lungsclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/heartclear/2026-09-27https://glassbox-production-fd52.up.railway.app/heartclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/heartclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/heartclear/glassbox/thumb.jpgHow does the heart work?Your heart is two pumps in one, beating about 100,000 times a day without a single instruction from you. Take a 3D heart apart, watch its valves slam shut on…https://glassbox-production-fd52.up.railway.app/heartclear/media/how-does-the-heart-work-glassbox-video.mp4582026-07-24T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/heartclear/2026-09-27https://glassbox-production-fd52.up.railway.app/heartclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/heartclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/heartclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/heartclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/currentclear/2026-09-27https://glassbox-production-fd52.up.railway.app/currentclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/currentclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/currentclear/glassbox/thumb.jpgWhat are electric current and voltage?Current is a flow of charge, voltage is the push behind it. Build a torch and count the electrons, light fairy lights in series and in parallel, switch on a…https://glassbox-production-fd52.up.railway.app/currentclear/media/what-are-electric-current-and-voltage-glassbox-video.mp4512026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/currentclear/2026-09-27https://glassbox-production-fd52.up.railway.app/currentclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/currentclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/currentclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/currentclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/synthclear/2026-09-27https://glassbox-production-fd52.up.railway.app/synthclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/synthclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/synthclear/glassbox/thumb.jpgHow does a synthesizer work?A synthesizer builds sound from nothing but electricity: oscillators hum, a filter carves, an envelope shapes every note. Play a real synth in your browser…https://glassbox-production-fd52.up.railway.app/synthclear/media/how-does-a-synthesizer-work-glassbox-video.mp4562026-07-23T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/synthclear/2026-09-27https://glassbox-production-fd52.up.railway.app/synthclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/synthclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/synthclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/synthclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/harmoniumclear/2026-09-27https://glassbox-production-fd52.up.railway.app/harmoniumclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/harmoniumclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/harmoniumclear/glassbox/thumb.jpgHow does a harmonium work?Every note on a harmonium is a thin brass tongue buzzing through a slot, fed by air you pump with one hand. Take one apart in 3D, scrape a reed to tune it…https://glassbox-production-fd52.up.railway.app/harmoniumclear/media/how-does-a-harmonium-work-glassbox-video.mp4552026-07-22T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/harmoniumclear/2026-09-27https://glassbox-production-fd52.up.railway.app/harmoniumclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/harmoniumclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/harmoniumclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/harmoniumclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/magnetismclear/2026-09-27https://glassbox-production-fd52.up.railway.app/magnetismclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/magnetismclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/magnetismclear/glassbox/thumb.jpgWhat is magnetism?Iron filings trace invisible curves, a wire with current in it swings a compass, and a coil with an iron core lifts a car. Map fields in tesla, spin a motor…https://glassbox-production-fd52.up.railway.app/magnetismclear/media/what-is-magnetism-glassbox-video.mp4482026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/magnetismclear/2026-09-27https://glassbox-production-fd52.up.railway.app/magnetismclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/magnetismclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/magnetismclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/magnetismclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/circularclear/2026-09-27https://glassbox-production-fd52.up.railway.app/circularclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/circularclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/circularclear/glassbox/thumb.jpgWhat keeps things moving in circles?Whirl a ball on a string, then cut it: the ball flies off straight, not outwards. Spin-dry clothes at 400 g, feel 10,000 g at a mixer's blade tip, take a bend…https://glassbox-production-fd52.up.railway.app/circularclear/media/what-keeps-things-moving-in-circles-glassbox-video.mp4512026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/circularclear/2026-09-27https://glassbox-production-fd52.up.railway.app/circularclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/circularclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/circularclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/circularclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/tablaclear/2026-09-27https://glassbox-production-fd52.up.railway.app/tablaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tablaclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/tablaclear/glassbox/thumb.jpgHow does a tabla work?Most drums just go thud. The tabla sings a note you can tune to a song, thanks to a black spot of iron-filing paste that C. V. Raman explained in 1920.https://glassbox-production-fd52.up.railway.app/tablaclear/media/how-does-a-tabla-work-glassbox-video.mp4592026-07-21T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/tablaclear/2026-09-27https://glassbox-production-fd52.up.railway.app/tablaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tablaclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/tablaclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/tablaclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/fluteclear/2026-09-27https://glassbox-production-fd52.up.railway.app/fluteclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fluteclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/fluteclear/glassbox/thumb.jpgHow does a flute work?Nothing inside a flute moves: a jet of breath flips in and out across a sharp edge and the air in the tube does the singing. Play a bamboo bansuri and a…https://glassbox-production-fd52.up.railway.app/fluteclear/media/how-does-a-flute-work-glassbox-video.mp4572026-07-20T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/fluteclear/2026-09-27https://glassbox-production-fd52.up.railway.app/fluteclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fluteclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/fluteclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/fluteclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/torqueclear/2026-09-27https://glassbox-production-fd52.up.railway.app/torqueclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/torqueclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/torqueclear/glassbox/thumb.jpgWhat is torque?Torque is what turns things: a push times its distance from the pivot. Undo a stuck wheel nut, balance a seesaw, tip a double-decker bus, test an engine on a…https://glassbox-production-fd52.up.railway.app/torqueclear/media/what-is-torque-glassbox-video.mp4532026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/torqueclear/2026-09-27https://glassbox-production-fd52.up.railway.app/torqueclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/torqueclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/torqueclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/torqueclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/buoyancyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/buoyancyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/buoyancyclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/buoyancyclear/glassbox/thumb.jpgWhat are density and buoyancy?Why does a 100,000-tonne steel ship float while a nail sinks? Lower blocks of cork, ice, iron and gold into a brim-full can, load a cargo ship to its Plimsoll…https://glassbox-production-fd52.up.railway.app/buoyancyclear/media/what-are-density-and-buoyancy-glassbox-video.mp4502026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/buoyancyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/buoyancyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/buoyancyclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/buoyancyclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/buoyancyclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/guitarclear/2026-09-27https://glassbox-production-fd52.up.railway.app/guitarclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/guitarclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/guitarclear/glassbox/thumb.jpgHow does a guitar work?Six strings pulling with 73 kg, a thin spruce top that pumps the air, and a magnet that hears steel move. Pluck, fret and strum a guitar in 3D, then plug it…https://glassbox-production-fd52.up.railway.app/guitarclear/media/how-does-a-guitar-work-glassbox-video.mp4522026-07-19T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/guitarclear/2026-09-27https://glassbox-production-fd52.up.railway.app/guitarclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/guitarclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/guitarclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/guitarclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/pressureclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pressureclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pressureclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/pressureclear/glassbox/thumb.jpgWhat is pressure?Why does a stiletto dent a floor an elephant wouldn’t, why is a dam thickest at the bottom, and why does dal cook faster under a whistle? Squash sand, cut a…https://glassbox-production-fd52.up.railway.app/pressureclear/media/what-is-pressure-glassbox-video.mp4502026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/pressureclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pressureclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pressureclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/pressureclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/pressureclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/waterheaterclear/2026-09-27https://glassbox-production-fd52.up.railway.app/waterheaterclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/waterheaterclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/waterheaterclear/glassbox/thumb.jpgHow does a water heater (geyser) work?A geyser is a flask with a 2 kW heater inside, and it quietly uses physics you can feel in the shower: hot water floats, water expands, and a magnesium rod…https://glassbox-production-fd52.up.railway.app/waterheaterclear/media/how-does-a-water-heater-geyser-work-glassbox-video.mp4532026-07-18T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/waterheaterclear/2026-09-27https://glassbox-production-fd52.up.railway.app/waterheaterclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/waterheaterclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/waterheaterclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/waterheaterclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/gravityclear/2026-09-27https://glassbox-production-fd52.up.railway.app/gravityclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/gravityclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/gravityclear/glassbox/thumb.jpgWhat is gravity?Two tonnes of lead pull on each other with less than the weight of a grain of sand, yet the same pull holds the Moon in orbit. Weigh the Earth with…https://glassbox-production-fd52.up.railway.app/gravityclear/media/what-is-gravity-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/gravityclear/2026-09-27https://glassbox-production-fd52.up.railway.app/gravityclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/gravityclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/gravityclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/gravityclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/motorcycleclear/2026-09-27https://glassbox-production-fd52.up.railway.app/motorcycleclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/motorcycleclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/motorcycleclear/glassbox/thumb.jpgHow does a motorcycle work?One cylinder firing 70 times a second, a foot lever that clicks a grooved drum, and a bike that turns by falling into the bend. Take an Indian commuter apart…https://glassbox-production-fd52.up.railway.app/motorcycleclear/media/how-does-a-motorcycle-work-glassbox-video.mp4522026-07-17T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/motorcycleclear/2026-09-27https://glassbox-production-fd52.up.railway.app/motorcycleclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/motorcycleclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/motorcycleclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/motorcycleclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/frictionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/frictionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/frictionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/frictionclear/glassbox/thumb.jpgWhat is friction?Friction is the force that holds before it slips. Pull a block with a spring scale and watch the grip peak then drop, stop a car on dry roads and ice, float a…https://glassbox-production-fd52.up.railway.app/frictionclear/media/what-is-friction-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/frictionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/frictionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/frictionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/frictionclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/frictionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/mriclear/2026-09-27https://glassbox-production-fd52.up.railway.app/mriclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mriclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/mriclear/glassbox/thumb.jpgHow does an MRI machine work?A magnet 30,000 times stronger than Earth's, a radio that listens to the hydrogen in your body, and a Fourier transform that turns echoes into a picture.https://glassbox-production-fd52.up.railway.app/mriclear/media/how-does-an-mri-machine-work-glassbox-video.mp4592026-07-16T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/mriclear/2026-09-27https://glassbox-production-fd52.up.railway.app/mriclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mriclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/mriclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/mriclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/ctscanclear/2026-09-27https://glassbox-production-fd52.up.railway.app/ctscanclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/ctscanclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/ctscanclear/glassbox/thumb.jpgHow does a CT scanner work?A CT scanner spins an X-ray tube around you three times a second, takes about a thousand shadows each turn, and a computer turns them into slices of your body.https://glassbox-production-fd52.up.railway.app/ctscanclear/media/how-does-a-ct-scanner-work-glassbox-video.mp4582026-07-15T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/ctscanclear/2026-09-27https://glassbox-production-fd52.up.railway.app/ctscanclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/ctscanclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/ctscanclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/ctscanclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/workclear/2026-09-27https://glassbox-production-fd52.up.railway.app/workclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/workclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/workclear/glassbox/thumb.jpgWhat are work and power?Pull a crate at an angle, wind a bucket up a well, and watch the joules pile up under a graph. Race up the stairs at 350 watts, meet Watt's horse, lift a rice…https://glassbox-production-fd52.up.railway.app/workclear/media/what-are-work-and-power-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/workclear/2026-09-27https://glassbox-production-fd52.up.railway.app/workclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/workclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/workclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/workclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/momentumclear/2026-09-27https://glassbox-production-fd52.up.railway.app/momentumclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/momentumclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/momentumclear/glassbox/thumb.jpgWhat is momentum?Why does a lorry shove a car backwards in a crash, why does a helmet have foam, and why does a Newton's cradle send out exactly two balls when you drop two?https://glassbox-production-fd52.up.railway.app/momentumclear/media/what-is-momentum-glassbox-video.mp4502026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/momentumclear/2026-09-27https://glassbox-production-fd52.up.railway.app/momentumclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/momentumclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/momentumclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/momentumclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/xrayclear/2026-09-27https://glassbox-production-fd52.up.railway.app/xrayclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/xrayclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/xrayclear/glassbox/thumb.jpgHow does an X-ray machine work?An X-ray is a shadow made of light you can't see. Fire electrons at spinning tungsten, send the beam through a body, and catch what gets out.https://glassbox-production-fd52.up.railway.app/xrayclear/media/how-does-an-x-ray-machine-work-glassbox-video.mp4562026-07-14T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/xrayclear/2026-09-27https://glassbox-production-fd52.up.railway.app/xrayclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/xrayclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/xrayclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/xrayclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/airfryerclear/2026-09-27https://glassbox-production-fd52.up.railway.app/airfryerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/airfryerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/airfryerclear/glassbox/thumb.jpgHow does an air fryer work?An air fryer never fries. It is a tiny, ferocious fan oven. Take one apart in 3D, race a potato cube in fast and still air, watch a chip's surface sit at 100…https://glassbox-production-fd52.up.railway.app/airfryerclear/media/how-does-an-air-fryer-work-glassbox-video.mp4552026-07-13T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/airfryerclear/2026-09-27https://glassbox-production-fd52.up.railway.app/airfryerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/airfryerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/airfryerclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/airfryerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/inertiaclear/2026-09-27https://glassbox-production-fd52.up.railway.app/inertiaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/inertiaclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/inertiaclear/glassbox/thumb.jpgWhat is inertia?Why do you lurch when the bus brakes, and how does a coin drop neatly into a glass when you flick the card away? Push carts, yank a tablecloth, spin a skater…https://glassbox-production-fd52.up.railway.app/inertiaclear/media/what-is-inertia-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/inertiaclear/2026-09-27https://glassbox-production-fd52.up.railway.app/inertiaclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/inertiaclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/inertiaclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/inertiaclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/forceclear/2026-09-27https://glassbox-production-fd52.up.railway.app/forceclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/forceclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/forceclear/glassbox/thumb.jpgWhat is a force?A newton is about the weight of an apple. Drag force arrows across a table and watch them add up, weigh rice on Jupiter, ride a lift standing on a scale, feel…https://glassbox-production-fd52.up.railway.app/forceclear/media/what-is-a-force-glassbox-video.mp4532026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/forceclear/2026-09-27https://glassbox-production-fd52.up.railway.app/forceclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/forceclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/forceclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/forceclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/mixerclear/2026-09-27https://glassbox-production-fd52.up.railway.app/mixerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mixerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/mixerclear/glassbox/thumb.jpgHow does a mixer grinder work?A motor that spins 20,000 times a minute, blades whose tips hit 200 km/h, and ribs that stop your chutney riding round the jar. Take India's favourite kitchen…https://glassbox-production-fd52.up.railway.app/mixerclear/media/how-does-a-mixer-grinder-work-glassbox-video.mp4512026-07-12T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/mixerclear/2026-09-27https://glassbox-production-fd52.up.railway.app/mixerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/mixerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/mixerclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/mixerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/fridgeclear/2026-09-27https://glassbox-production-fd52.up.railway.app/fridgeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fridgeclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/fridgeclear/glassbox/thumb.jpgHow does a refrigerator work?A fridge doesn't make cold. It pumps the heat out of your food and dumps it into your kitchen, using a gas that boils at −12 °C. Take a frost-free fridge…https://glassbox-production-fd52.up.railway.app/fridgeclear/media/how-does-a-refrigerator-work-glassbox-video.mp4552026-07-11T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/fridgeclear/2026-09-27https://glassbox-production-fd52.up.railway.app/fridgeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fridgeclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/fridgeclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/fridgeclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/motionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/motionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/motionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/motionclear/glassbox/thumb.jpgWhat are speed, velocity and acceleration?Speed tells you how fast. Velocity adds which way. Acceleration says how quickly that changes. Drive a car past distance posts with a stopwatch, race an EV…https://glassbox-production-fd52.up.railway.app/motionclear/media/what-are-speed-velocity-and-acceleration-glassbox-video.mp4532026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/motionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/motionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/motionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/motionclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/motionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/osmosisclear/2026-09-27https://glassbox-production-fd52.up.railway.app/osmosisclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/osmosisclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/osmosisclear/glassbox/thumb.jpgWhat are osmosis and diffusion?Water crosses a membrane towards salt with a pressure strong enough to hold up a 280 m column. Watch a U-tube rise, push seawater through RO, burst red blood…https://glassbox-production-fd52.up.railway.app/osmosisclear/media/what-are-osmosis-and-diffusion-glassbox-video.mp4482026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/osmosisclear/2026-09-27https://glassbox-production-fd52.up.railway.app/osmosisclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/osmosisclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/osmosisclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/osmosisclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/tvclear/2026-09-27https://glassbox-production-fd52.up.railway.app/tvclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tvclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/tvclear/glassbox/thumb.jpgHow does a TV work?A TV is a sandwich of a dozen layers, lit from behind by LEDs and switched by 25 million tiny liquid-crystal shutters, sixty times a second.https://glassbox-production-fd52.up.railway.app/tvclear/media/how-does-a-tv-work-glassbox-video.mp4572026-07-10T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/tvclear/2026-09-27https://glassbox-production-fd52.up.railway.app/tvclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/tvclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/tvclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/tvclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/combustionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/combustionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/combustionclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/combustionclear/glassbox/thumb.jpgWhat is combustion?Burn a gas in a sealed jar on a balance and the reading doesn't budge: every atom is still there, just with new partners. Count them, weigh an LPG cylinder's…https://glassbox-production-fd52.up.railway.app/combustionclear/media/what-is-combustion-glassbox-video.mp4472026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/combustionclear/2026-09-27https://glassbox-production-fd52.up.railway.app/combustionclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/combustionclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/combustionclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/combustionclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/dishwasherclear/2026-09-27https://glassbox-production-fd52.up.railway.app/dishwasherclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/dishwasherclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/dishwasherclear/glassbox/thumb.jpgHow does a dishwasher work?No bath of water, just 3 litres sprayed round and round by arms that spin on their own recoil. Take a dishwasher apart in 3D and see why it can use a tenth of…https://glassbox-production-fd52.up.railway.app/dishwasherclear/media/how-does-a-dishwasher-work-glassbox-video.mp4532026-07-09T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/dishwasherclear/2026-09-27https://glassbox-production-fd52.up.railway.app/dishwasherclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/dishwasherclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/dishwasherclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/dishwasherclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/snellclear/2026-09-27https://glassbox-production-fd52.up.railway.app/snellclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/snellclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/snellclear/glassbox/thumb.jpgWhat is Snell's law of refraction?Why does a straw look broken in a glass of water? Bend a laser across a boundary and watch Snell's law at work, then find the same rule in shallow-looking…https://glassbox-production-fd52.up.railway.app/snellclear/media/what-is-snells-law-of-refraction-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/snellclear/2026-09-27https://glassbox-production-fd52.up.railway.app/snellclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/snellclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/snellclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/snellclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/washerclear/2026-09-27https://glassbox-production-fd52.up.railway.app/washerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/washerclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/washerclear/glassbox/thumb.jpgHow does a washing machine work?A washing machine doesn't scrub your clothes. It lifts them and drops them about once a second, then spins them so hard the drum wall pushes 400 times harder…https://glassbox-production-fd52.up.railway.app/washerclear/media/how-does-a-washing-machine-work-glassbox-video.mp4522026-07-08T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/washerclear/2026-09-27https://glassbox-production-fd52.up.railway.app/washerclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/washerclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/washerclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/washerclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/chimneyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/chimneyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/chimneyclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/chimneyclear/glassbox/thumb.jpgHow do a kitchen chimney and gas hob work?A spark of 14,000 volts, a jet of gas that drags in its own air, and a hood that catches smoke it can barely suck. Take an Indian kitchen's gas stove and…https://glassbox-production-fd52.up.railway.app/chimneyclear/media/how-do-a-kitchen-chimney-and-gas-hob-work-glassbox-video.mp4592026-07-07T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/chimneyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/chimneyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/chimneyclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/chimneyclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/chimneyclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/waveclear/2026-09-27https://glassbox-production-fd52.up.railway.app/waveclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/waveclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/waveclear/glassbox/thumb.jpgWhat are waves and resonance?Shake a rope, pluck a string, switch on a microwave: it's the same rule every time, speed = frequency × wavelength. Play with waves on a rope, in air and in…https://glassbox-production-fd52.up.railway.app/waveclear/media/what-are-waves-and-resonance-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/waveclear/2026-09-27https://glassbox-production-fd52.up.railway.app/waveclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/waveclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/waveclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/waveclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/heatclear/2026-09-27https://glassbox-production-fd52.up.railway.app/heatclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/heatclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/heatclear/glassbox/thumb.jpgHow does heat move?Heat only ever moves three ways: by touch, carried by moving air or water, or as invisible infrared light. Race copper against wood, cool a pot with a fan…https://glassbox-production-fd52.up.railway.app/heatclear/media/how-does-heat-move-glassbox-video.mp4472026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/heatclear/2026-09-27https://glassbox-production-fd52.up.railway.app/heatclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/heatclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/heatclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/heatclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/roclear/2026-09-27https://glassbox-production-fd52.up.railway.app/roclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/roclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/roclear/glassbox/thumb.jpgHow does an RO water purifier work?Your kitchen purifier pushes water so hard that it squeezes out of the salt, through a skin with no real holes. Take an RO purifier apart in 3D, flip osmosis…https://glassbox-production-fd52.up.railway.app/roclear/media/how-does-an-ro-water-purifier-work-glassbox-video.mp4522026-07-06T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/roclear/2026-09-27https://glassbox-production-fd52.up.railway.app/roclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/roclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/roclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/roclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/hookeclear/2026-09-27https://glassbox-production-fd52.up.railway.app/hookeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/hookeclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/hookeclear/glassbox/thumb.jpgWhat is Hooke's law?Pull twice as hard and a spring stretches twice as far. That one line from 1676 weighs your onions, clicks your pen, carries your car and tunes your guitar.https://glassbox-production-fd52.up.railway.app/hookeclear/media/what-is-hookes-law-glassbox-video.mp4472026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/hookeclear/2026-09-27https://glassbox-production-fd52.up.railway.app/hookeclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/hookeclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/hookeclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/hookeclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/upsclear/2026-09-27https://glassbox-production-fd52.up.railway.app/upsclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/upsclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/upsclear/glassbox/thumb.jpgHow does an inverter or UPS work?When the power cuts out and the fans keep turning, a box in the corner is quietly turning a battery's DC back into 230 V AC. Take a home inverter and a…https://glassbox-production-fd52.up.railway.app/upsclear/media/how-does-an-inverter-or-ups-work-glassbox-video.mp4552026-07-05T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/upsclear/2026-09-27https://glassbox-production-fd52.up.railway.app/upsclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/upsclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/upsclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/upsclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/microwaveclear/2026-09-27https://glassbox-production-fd52.up.railway.app/microwaveclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/microwaveclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/microwaveclear/glassbox/thumb.jpgHow does a microwave oven work?A microwave oven is a radio transmitter in a metal box. Electrons whirl in a magnetron to make 12 cm waves that twist water molecules 2.45 billion times a…https://glassbox-production-fd52.up.railway.app/microwaveclear/media/how-does-a-microwave-oven-work-glassbox-video.mp4522026-07-04T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/microwaveclear/2026-09-27https://glassbox-production-fd52.up.railway.app/microwaveclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/microwaveclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/microwaveclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/microwaveclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/pascalclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pascalclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pascalclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/pascalclear/glassbox/thumb.jpgWhat is Pascal's principle?Press a brake pedal gently and a tonne of squeeze grips the wheel. Pump a jack with one hand and a car rises. Play with the idea Pascal worked out in the…https://glassbox-production-fd52.up.railway.app/pascalclear/media/what-is-pascals-principle-glassbox-video.mp4512026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/pascalclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pascalclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pascalclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/pascalclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/pascalclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/carclear/2026-09-27https://glassbox-production-fd52.up.railway.app/carclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/carclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/carclear/glassbox/thumb.jpgHow does a car work?Burn a drop of petrol, push a piston, twist a crankshaft, and the road pushes you forward. Take a car apart in 3D, fire a four-cylinder engine in slow motion…https://glassbox-production-fd52.up.railway.app/carclear/media/how-does-a-car-work-glassbox-video.mp4582026-07-03T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/carclear/2026-09-27https://glassbox-production-fd52.up.railway.app/carclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/carclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/carclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/carclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/faradayclear/2026-09-27https://glassbox-production-fd52.up.railway.app/faradayclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/faradayclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/faradayclear/glassbox/thumb.jpgWhat is Faraday's law of induction?Push a magnet into a coil and a voltage appears from nowhere; hold it still and it vanishes. Play with the 1831 discovery that lights the world, then find it…https://glassbox-production-fd52.up.railway.app/faradayclear/media/what-is-faradays-law-of-induction-glassbox-video.mp4532026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/faradayclear/2026-09-27https://glassbox-production-fd52.up.railway.app/faradayclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/faradayclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/faradayclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/faradayclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/gaslawclear/2026-09-27https://glassbox-production-fd52.up.railway.app/gaslawclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/gaslawclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/gaslawclear/glassbox/thumb.jpgWhat are the gas laws?Squeeze a gas and it pushes back, heat it and it swells, and one short rule, PV = nRT, explains both. Push a piston, breathe like Boyle, light diesel with a…https://glassbox-production-fd52.up.railway.app/gaslawclear/media/what-are-the-gas-laws-glassbox-video.mp4472026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/gaslawclear/2026-09-27https://glassbox-production-fd52.up.railway.app/gaslawclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/gaslawclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/gaslawclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/gaslawclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/pianoclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pianoclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pianoclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/pianoclear/glassbox/thumb.jpgHow does a piano work?Press a key and a chain of levers flings a felt hammer at steel strings pulling with nearly 20 tonnes. Take a grand piano apart in 3D, slow the hammer down 50…https://glassbox-production-fd52.up.railway.app/pianoclear/media/how-does-a-piano-work-glassbox-video.mp4612026-07-02T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/pianoclear/2026-09-27https://glassbox-production-fd52.up.railway.app/pianoclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/pianoclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/pianoclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/pianoclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/acclear/2026-09-26https://glassbox-production-fd52.up.railway.app/acclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/acclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/acclear/glassbox/thumb.jpgHow does an air conditioner work?An air conditioner doesn't make cold. It pumps heat out of your room using a fluid that boils at minus 52 °C. Take a split AC apart in 3D and follow the…https://glassbox-production-fd52.up.railway.app/acclear/media/how-does-an-air-conditioner-work-glassbox-video.mp4582026-07-01T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/acclear/2026-09-26https://glassbox-production-fd52.up.railway.app/acclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/acclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/acclear/history/2026-09-26https://glassbox-production-fd52.up.railway.app/acclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/thermoclear/2026-09-27https://glassbox-production-fd52.up.railway.app/thermoclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/thermoclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/thermoclear/glassbox/thumb.jpgWhat are the laws of thermodynamics?Heat flows downhill, energy always balances, no engine is perfect and absolute zero is out of reach. Watch hot and cold molecules share their speed, push a…https://glassbox-production-fd52.up.railway.app/thermoclear/media/what-are-the-laws-of-thermodynamics-glassbox-video.mp4532026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/thermoclear/2026-09-27https://glassbox-production-fd52.up.railway.app/thermoclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/thermoclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/thermoclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/thermoclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/energyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/energyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/energyclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/energyclear/glassbox/thumb.jpgWhat is conservation of energy?Energy is never made and never destroyed, only changed. Drop a skater down a ramp and watch height become speed and heat, brake a car, boil a cup in a…https://glassbox-production-fd52.up.railway.app/energyclear/media/what-is-conservation-of-energy-glassbox-video.mp4512026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/energyclear/2026-09-27https://glassbox-production-fd52.up.railway.app/energyclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/energyclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/energyclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/energyclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/fanclear/2026-09-26https://glassbox-production-fd52.up.railway.app/fanclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fanclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/fanclear/glassbox/thumb.jpgHow does a fan work?Tilted blades, a magnetic field that spins, and a breeze that cools you without cooling the air. Take a fan apart in 3D and see why half speed costs one…https://glassbox-production-fd52.up.railway.app/fanclear/media/how-does-a-fan-work-glassbox-video.mp4472026-06-30T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/fanclear/2026-09-26https://glassbox-production-fd52.up.railway.app/fanclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/fanclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/fanclear/history/2026-09-26https://glassbox-production-fd52.up.railway.app/fanclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/cycleclear/2026-09-26https://glassbox-production-fd52.up.railway.app/cycleclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cycleclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/cycleclear/glassbox/thumb.jpgHow does a bicycle work?Two triangles, a chain and a wheel of thin wires, and a machine that balances itself. Take a bicycle apart in 3D and ride its physics. Most bikes use a…https://glassbox-production-fd52.up.railway.app/cycleclear/media/how-does-a-bicycle-work-glassbox-video.mp4432026-06-29T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/cycleclear/2026-09-26https://glassbox-production-fd52.up.railway.app/cycleclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cycleclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/cycleclear/history/2026-09-26https://glassbox-production-fd52.up.railway.app/cycleclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/newtonclear/2026-09-27https://glassbox-production-fd52.up.railway.app/newtonclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/newtonclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/newtonclear/glassbox/thumb.jpgWhat are Newton's laws of motion?Three rules written in 1687 still run every car, fan, dishwasher and spacecraft. Push a puck on frictionless ice, crash-test a car with and without a seat…https://glassbox-production-fd52.up.railway.app/newtonclear/media/what-are-newtons-laws-of-motion-glassbox-video.mp4502026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/newtonclear/2026-09-27https://glassbox-production-fd52.up.railway.app/newtonclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/newtonclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/newtonclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/newtonclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/bernoulliclear/2026-09-27https://glassbox-production-fd52.up.railway.app/bernoulliclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/bernoulliclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/bernoulliclear/glassbox/thumb.jpgWhat is Bernoulli's principle?Faster flow means lower pressure: the same rule lifts airliners, sprays perfume, fires the gas jet in your hob and lets a cyclist cheat the wind.https://glassbox-production-fd52.up.railway.app/bernoulliclear/media/what-is-bernoullis-principle-glassbox-video.mp4512026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/bernoulliclear/2026-09-27https://glassbox-production-fd52.up.railway.app/bernoulliclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/bernoulliclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/bernoulliclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/bernoulliclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/penclear/2026-09-26https://glassbox-production-fd52.up.railway.app/penclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/penclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/penclear/glassbox/thumb.jpgHow does a pen work?A tiny rolling ball, a slit thinner than a hair, and ink that climbs by itself. Take apart ballpoints and fountain pens in 3D. At the tip sits a tiny steel or…https://glassbox-production-fd52.up.railway.app/penclear/media/how-does-a-pen-work-glassbox-video.mp4472026-06-28T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/penclear/2026-09-26https://glassbox-production-fd52.up.railway.app/penclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/penclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/penclear/history/2026-09-26https://glassbox-production-fd52.up.railway.app/penclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/cameraclear/2026-09-26https://glassbox-production-fd52.up.railway.app/cameraclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cameraclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/cameraclear/glassbox/thumb.jpgHow does a camera actually see?A dark box, a hole, and an upside-down world. Take a real camera apart in 3D and learn what aperture, shutter speed and ISO really do. Light travels in…https://glassbox-production-fd52.up.railway.app/cameraclear/media/how-does-a-camera-actually-see-glassbox-video.mp4432026-06-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/cameraclear/2026-09-26https://glassbox-production-fd52.up.railway.app/cameraclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/cameraclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/cameraclear/history/2026-09-26https://glassbox-production-fd52.up.railway.app/cameraclear/glassbox/cover.jpg https://glassbox-production-fd52.up.railway.app/e/ohmslawclear/2026-09-27https://glassbox-production-fd52.up.railway.app/ohmslawclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/ohmslawclear/glassbox/still.jpghttps://glassbox-production-fd52.up.railway.app/ohmslawclear/glassbox/thumb.jpgWhat is Ohm's law?Twice the push, twice the flow: one line of algebra runs every heater, charger and fuse in your home. Drive electrons round a 3D circuit, see why they crawl…https://glassbox-production-fd52.up.railway.app/ohmslawclear/media/what-is-ohms-law-glassbox-video.mp4522026-09-27T12:00:00+00:00yes https://glassbox-production-fd52.up.railway.app/ohmslawclear/2026-09-27https://glassbox-production-fd52.up.railway.app/ohmslawclear/glassbox/cover.jpghttps://glassbox-production-fd52.up.railway.app/ohmslawclear/glassbox/still.jpg https://glassbox-production-fd52.up.railway.app/e/ohmslawclear/history/2026-09-27https://glassbox-production-fd52.up.railway.app/ohmslawclear/glassbox/cover.jpg