On 6/13/2014 10:10 AM, Jeffrey Schwartz wrote:

> If you've got the ability to make room temp superconductors, I can see
> them developing highly super-magnetocaloric materials.
> You'd let the material heat up (ie, lots of molecular motion) and then
> push electric current through it, and lock the molecules in place,
> thus making heat "stop"

Cute, but the /other/ Three Laws* tell me, 1, that heat has to go
SOMEWHERE, and 2, generating the current will inevitably produce MORE heat.

(* Which I still remember in the form of a song from "The Wiz":  "You
can't win child, you can't break even, you can't get out of the game.")

--
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Kelly St. Clair
xxxxxx@efn.org