![]() ![]() These laws of thermodynamics apply regardless of the size of the system. This kind of machine is impossible, as it would violate either the first or second law of thermodynamics, or both. A perpetual motion machine is a hypothetical machine that can do work infinitely without an external energy source. Perpetual motion is the motion of bodies that continues forever in an unperturbed system. Patent Office's policy regarding perpetual motion machines (and the power efficiency of gasoline) ![]() Something for Nothing (1940), a short film featuring Rube Goldberg illustrating the U.S. It is widely credited as the first attempt to describe such a device. Robert Fludd's 1618 "water screw" perpetual motion machine from a 1660 wood engraving. For other uses, see Perpetual Motion Machine (disambiguation). "Perpetual Motion Machine" redirects here. ![]()
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