perpetual motion machine love

perpetual motion machine

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a hypothetical device that exhibits perpetual motion, especially one that does useful work with no input of energy

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy

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