Cryostat information

This is a discussion on Cryostat information within the A Brief History of Cprogramming.com forums, part of the Community Boards category; I have been looking like heck to find a good site that explains how cryostats work but with no luck. ...

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    Cryostat information

    I have been looking like heck to find a good site that explains how cryostats work but with no luck. So I was wondering if anybody here can point me to one or two?
    Last edited by Shakti; 05-16-2005 at 11:57 AM.
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    Let's do some coding! Welshy's Avatar
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    what the heck is cryostat? lol

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    A cryostat is a machine that, if used with correct helium-types, can cool a substance to temperatures below 1K. I need to know more indepth how it works (but not too much indepth).
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    Let's do some coding! Welshy's Avatar
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    I have been looking like heck to find a good site that explains how cryostats work but with no luck
    basicly means I have tried google
    STL Util a small headers-only library with various utility functions. Mainly for fun but feedback is welcome.

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    Let's do some coding! Welshy's Avatar
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    in which case im all out of ideas

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    Wikipedia says that "cryostat" is a synonym for "cryocooler". Try searching for that.

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    Thanks for the tips but I was not able to find anything from that either
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    mov.w #$1337,D0 Jeremy G's Avatar
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    I didnt think it was possible to freeze things to less then 1kelvin. Since at 0k there is absolutely no movement.
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    Mayor of Awesometown Govtcheez's Avatar
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    But there are numbers between 0 and 1.

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    Quote Originally Posted by Govtcheez
    But there are numbers between 0 and 1.
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    Im sure that will help! Thanks a bunch!
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    erstwhile
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    Quote Originally Posted by Jeremy G
    I didnt think it was possible to freeze things to less then 1kelvin. Since at 0k there is absolutely no movement.
    You're possibly thinking of one statement of the third law of thermodynamics:
    Quote Originally Posted by 3rd Law of Thermodynamics
    Absolute zero cannot be reached in a finite number of steps
    But, as Govtcheez has suggested, it's possible to get within a few hundredths of a degree Kelvin of 0K (if memory serves me correctly). At that stage it's not so much about cooling, as such, but more a precise battle against entropy - for example, aligning the spins of hydrogen nuclei at low temperatures results in a lowering of entropy which equates to a reduction in temperature of that hydrogen. This follows on from a variant statement of the third law of thermodynamics, namely: all perfectly crystalline materials have zero entropy at absolute zero.
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    Quote Originally Posted by Ken Fitlike
    But, as Govtcheez has suggested, it's possible to get within a few hundredths of a degree Kelvin of 0K
    Yes, the coolest and warmest temperatures observed by humans in the universe have both been observed on earth.
    Last edited by Sang-drax : Tomorrow at 02:21 AM. Reason: Time travelling

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