> From: Richard Baker <[EMAIL PROTECTED]> > The Fool said: > > > You'r not creating more energy than is already been used, your > > recycling a small portion of it. > > Thus your scheme doesn't violate the first law of thermodynamics (the > conservation of energy). The second law, in one of its forms, says that > you can't move heat from a cold object to a hot object without putting > energy into the system (in a more quotable form, it says "the entropy of > a closed system never decreases"). This is the reason that > refrigerators consume energy. (In your example of a CPU, you're moving > heat from the hot CPU to the cold surroundings. You could do this with > a passive heatsink if the CPU power was low enough, but most use fans > simply to carry heat away more effectively.) > > It's probably worth learning some thermodynamics. It's interesting > stuff. > > Rich, who hasn't really thought about it properly for five or six years > and who ought to refresh his memory of the details soon.
http://slashdot.org/article.pl?sid=02/05/15/1810211&mode=thread&tid=134
