Live stream preview
How does an escalator move people between floors so smoothly? Watch this episode of "How Does it Work?" to see the mechanics behind moving stairs.
Up Next in How Does it Work?
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How Does it Work? - Eye
How does the eye let you see the world around you? Watch this episode of "How Does it Work?" to find out how your eyes process light and images.
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How Does it Work? - Drone
How does a drone fly and capture images from above? Watch this episode of "How Does it Work?" to explore the technology behind drone flight.
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How Does it Work? - Drinking Water
How does drinking water get cleaned and delivered to your tap? Watch this episode of "How Does it Work?" to see the journey water takes before you drink it.
