Why don't perpetual motion machines ever work? - Netta Schramm
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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.
In this video, we focused on the first and second law of thermodynamics to explain the constraints on a perpetual motion machine. If our claim is true, it should be explainable with other frameworks such as Newton's laws. Try working it out! (hint: start with the self-watering pot.)
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Space Ed helps you untangle the mysteries of space with the universe’s best videos on everything from Einstein's theory of relativity to what it would take to live on Mars. Brush up on the science, philosophy and mystery of space, because the fabric of the universe is the same fabric that connects us all.
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