Perpetual-motion machine



A machine that could run forever. A perpetual-motion machine would have to produce at least as much energy as was needed for its operation. According to the second law of thermodynamics, such a machine is impossible, and to date none has ever been successfully demonstrated.

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  • Perpetuance

    [per-pech-oo-eyt] /pərˈpɛtʃ uˌeɪt/ verb (used with object), perpetuated, perpetuating. 1. to make . 2. to preserve from extinction or oblivion: to perpetuate one’s name. /pəˈpɛtjʊˌeɪt/ verb 1. (transitive) to cause to continue or prevail: to perpetuate misconceptions v. 1520s, a back-formation from perpetuation or else from Latin perpetuatus, past participle of perpetuare “to make perpetual,” […]

  • Perpetuate

    [per-pech-oo-eyt] /pərˈpɛtʃ uˌeɪt/ verb (used with object), perpetuated, perpetuating. 1. to make . 2. to preserve from extinction or oblivion: to perpetuate one’s name. /pəˈpɛtjʊˌeɪt/ verb 1. (transitive) to cause to continue or prevail: to perpetuate misconceptions v. 1520s, a back-formation from perpetuation or else from Latin perpetuatus, past participle of perpetuare “to make perpetual,” […]



  • Perpetuated

    [per-pech-oo-eyt] /pərˈpɛtʃ uˌeɪt/ verb (used with object), perpetuated, perpetuating. 1. to make . 2. to preserve from extinction or oblivion: to perpetuate one’s name. /pəˈpɛtjʊˌeɪt/ verb 1. (transitive) to cause to continue or prevail: to perpetuate misconceptions v. 1520s, a back-formation from perpetuation or else from Latin perpetuatus, past participle of perpetuare “to make perpetual,” […]

  • Perpetuates

    [per-pech-oo-eyt] /pərˈpɛtʃ uˌeɪt/ verb (used with object), perpetuated, perpetuating. 1. to make . 2. to preserve from extinction or oblivion: to perpetuate one’s name. /pəˈpɛtjʊˌeɪt/ verb 1. (transitive) to cause to continue or prevail: to perpetuate misconceptions v. 1520s, a back-formation from perpetuation or else from Latin perpetuatus, past participle of perpetuare “to make perpetual,” […]



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