I have had this idea, and I'm not sure if it would work. Heat is a form of chaotic kinetic energy, right?. Would it be possible to create a magnetic field within a gas or liquid so that when the medium vibrates the magnetic field would shift? Could we do this inside an insulated sphere of, say, aerogel and titanium, and then place super-light ferromagnetic particles in a shock-absorbing medium surrounding it so that the heat would be transferred out by magnets but blocked from coming back in? Would this gradually cool the internal medium without requiring any energy input? Could we generate energy from the exiting heat? It seems to check out with any physics I still understand (energy leaves, entropy decreases, etc.), but everyone I've asked said that if it worked, it would have been done already. Still, I can't get this out of my head. Thanks!
closed as unclear what you're asking by Norbert Schuch, user36790, John Rennie, Sebastian Riese, Gert Dec 10 '15 at 0:07
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