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Colder than absolute zero?

  1. Jan 4, 2013 #1


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    Gold Member

  2. jcsd
  3. Jan 4, 2013 #2
    Perpetual heat source and a way to prevent heat death! :D Or, at least, I hope. Probably not really.
  4. Jan 4, 2013 #3
    Sounds like 'cold fusion' hopes...I'll wait for some experimental verification by others.
  5. Jan 4, 2013 #4

    D H

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    This is the third thread on this topic today.

    There's an ongoing discussion on negative temperatures in this thread: [thread]662268[/thread].

    I'm closing this thread since there's no reason to have three active threads on the same subject.
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