Why don't perpetual motion machines ever work? - Netta Schramm
94 بار بازدید -
7 سال پیش
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View full lesson: http://ed.ted.com/lessons/why-don-t-perpetual-motion-machines-ever-work-netta-schramm
Perpetual
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 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-E
7 سال پیش
در تاریخ 1396/09/14 منتشر شده
است.
94
بـار بازدید شده