TED-Ed: Lessons Worth Sharing artwork

Why don't perpetual motion machines ever work? - Netta Schramm

TED-Ed: Lessons Worth Sharing

English - October 05, 2018 13:00 - ★★★★ - 618 ratings
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Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because they could totally transform our relationship with energy. There’s just one problem: they don’t work. Why not? Netta Schramm describes the pitfalls of perpetual motion machines.