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Thu, 08-02-2012, 11:22 PM
#11
TIL that if you reverse an air conditioner (the process and mechanics), it becomes a heater.
Additionally, people in past history, and up until this point, have been unintentionally patenting and trying to scam investors by producing inventions which violate both the first and second laws of thermodynamics (i.e., heat physics) called PPM:
http://en.wikipedia.org/wiki/Perpetual_motion
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