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-Ed.
Tagged under: TED,TED-Ed,TED Education,TED Ed,Netta Schramm,perpetual motion,perpetual motion machine,energy,thermodynamics,Bhaskara Learned,Robert Boyle,magnet,wheel,renewable energy, law thermodynamics, law thermodynamics,light bulb,battery,capillary action
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