Birdwatch Note Rating
2024-05-24 01:09:21 UTC - HELPFUL
Rated by Participant: ED46966C6EE58ABCEBCB9A9FC4E6C10C34A2B3AB138C8688F290F455D4BB3EE8
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Original Note:
Perpetual motion machines aren't possible because they violate several thermodynamics rules. For example, you can't extract more energy by introducing less; you can only aspire to transform it from one kind into another (in a car, from chemical to mechanical energy). https://en.wikipedia.org/wiki/Perpetual_motion
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