Editing 1166: Argument
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==Explanation== | ==Explanation== | ||
β | [[File:PerpetualMotion.png|right|400px|thumb|It should be obvious how {{rw| | + | [[File:PerpetualMotion.png|right|400px|thumb|It should be obvious how {{rw|perpetual_motion|perpetual motion}} doesn't work.]] |
A {{w|perpetual motion machine}} is a hypothetical device that is supposed to move infinitely with no external forces helping it, thus providing an unlimited source of energy. The existence of such an object would contradict the laws of thermodynamics, so perpetual motion machines are known to be impossible. | A {{w|perpetual motion machine}} is a hypothetical device that is supposed to move infinitely with no external forces helping it, thus providing an unlimited source of energy. The existence of such an object would contradict the laws of thermodynamics, so perpetual motion machines are known to be impossible. | ||