Why don't perpetual motion machines ever work? - Netta Schramm
Published June 5, 2017
Views 17.6M | Likes 333K | Comments 22.8K
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-don-t-perpetual-motion-machines-ever-work-netta-schramm Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because th…
- Published
- June 5, 2017
- Made for kids
- No
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