Powered by any source of waste heat, you say? Even its own? Perpetual motion device? Would violates the laws of thermodynamics? Impossible then, that it be 100% efficient? Correct you are? Bwahahaha!
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Powered by any source of waste heat, you say? Even its own? Perpetual motion device? Would violates the laws of thermodynamics? Impossible then, that it be 100% efficient? Correct you are? Bwahahaha!