TIL that downward escalators generate electricity!

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TIL that downward escalators generate electricity!

The surprising science of escalators. Sponsored by Brilliant - check out https://brilliant.org/veritasium to start learning for free. Plus, our viewers get 2...

veritasium · science · physics · Veritasium · engineering · escalators · escalator · brushes · groove · howitworks · mall · shopping · step-chain · elevator · motor · chain · gear · mechanical · mechanism · roma · gearbox · stairs · whatsinside · dc-motor

September 15, 2025 at 7:22:53 AM EDT * · permalink

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https://www.youtube.com/watch?v=tZ8ehplVFp4