(no subject)

posted by [identity profile] keith-m043.livejournal.com at 11:39am on 2004-05-03
The enigma machine looks like it's straight out of Myst/Riven/Exile.

I am having trouble figuring out how liquid nitrogen is an enviromentally unfriendly chemical refridgerant.
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(no subject)

posted by [identity profile] dglenn.livejournal.com at 10:42am on 2004-05-06
How many freezers, refrigerators, air conditioners, and other chillers use LN2 in a closed loop?

If it's not in a closed loop, then what does the machine that condenses LN2 (to fill the tank you keep replacing) use as a refrigerant?
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