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* It is possible to establish a flow of current in a superconducting ring forever, but that's all you get, and if you draw some of the current off to do useful work, there's just less in the ring. [[User:Teresita|Teresita]] 22:05, 7 April 2007 (EDT)
 
* It is possible to establish a flow of current in a superconducting ring forever, but that's all you get, and if you draw some of the current off to do useful work, there's just less in the ring. [[User:Teresita|Teresita]] 22:05, 7 April 2007 (EDT)
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: If you draw off any energy from a pmm, and use it to power something, you would be increasing the amount of energy in the universe - thus creating something from nothing -> breaks 2nd Law of Thermodynamics. [[User:Wikinterpreter|Wikinterpreter]]