검색
Perpetual motion machine
/pəpˈɛtʃuːəl mˈəʊʃən məʃˈiːn/
/pɚpˈɛtʃuːəl mˈoʊʃən məʃˈiːn/Perpetual motion machine
01
a machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy
