How do lab. freezers work?

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Grim...
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How do lab. freezers work?

Post by Grim... »

Apparently IBM made a chip run at 500GHtz by cooling it to 4 deg. kelvin ( http://www.eetimes.com/news/semi/showAr ... =189500692 ).

How in the hell do you make something that cold?
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Maugrim_The_Reaper
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Post by Maugrim_The_Reaper »

You take one refrigerator, remove the compressor unit, fill it with something more effective, tinker with the insides and switch on. If you have an MIT education you should now have a super cooler which doubles as a portable tire pump.
SpiderMonkey
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Post by SpiderMonkey »

Simple. Immerse the processor in liquid Helium :)
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Luke
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Post by Luke »

I want to play with liquid helium.
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Chris Corbyn
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Post by Chris Corbyn »

SpiderMonkey wrote:Simple. Immerse the processor in liquid Helium :)
Quite right ;) Liquid helium is inert too so I reckon everything would run fine. Liquid hyrdogen probably conducts electricty since it has a lone electron like a group 1 metal.
Grim...
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Post by Grim... »

And bring the pressure right down to way below 0.2 atmospheres, apparently.
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