Home▸ Forums▸ an uber-geeky way to keep a powerbook cool in the summer — #8▸ an uber-geeky way to keep a powerbook cool in the summer — #8
Post #8 by alk
Source Foruman uber-geeky way to keep a powerbook cool in the summer — #8
CategoryHardware
Post DateSat, 12 May 2007 - 04:32
Original URLhttps://68kmla.org/bb/threads/an-uber-geeky-way-to-keep-a-powerbook-cool-in-the-summer.8278/
Post
If you really really want to geek out, run the Peltier junction in reverse. You can generate electricity from heat... ;)
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Ahhh yes, but that requires keeping one side super super cold. I read somewhere that their enegry efficiency is something like 7%...
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Heh.

In a freshman physics lab in college we got to play with these guys some. One of the "experiments" was to operate it in reverse. We attached thermally conductive strips to each side and put one in a cup of LN2 and the other in a cup of hot water to see how much power we could generate. That was fun...

Peace,

Drew

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