Excellent animation explains how an escalator works

Originally published at: https://boingboing.net/2019/11/19/excellent-animation-explains-h.html

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For my sake, that video could have been about 3 minutes shorter and dropped the music all together.

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I’m always amazed those things work at all and don’t even usually kill people in the process.

The one that go down aren’t escalators, they’re de-escalators. Check your Prince lyrics.

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Stairs go up, stairs go down. Nobody can explain that.

“It’s really important that the handrail move at the exact same speed as the steps”

I don’t think i’ve ever been on an escalator where the match is perfect.

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“Usually”, maybe. https://www.reddit.com/r/videos/comments/bb1d7m/woman_falls_inside_defective_escalator_in_china/

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