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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.
Lesson by Netta Schramm, animation by TED-Ed.
Негізгі бет Why don't perpetual motion machines ever work? - Netta Schramm
Пікірлер: 22 М.