Astronomy Cast Ep. 383: Approaches to Absolute Zero

The coldest possible theoretical temperature is Absolute Zero, this is the point at which no further energy can be extracted from a system. How are physicists working to get as close as possible to this extreme cold?
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Read the rest of Astronomy Cast Ep. 383: Approaches to Absolute Zero (46 words)


© Fraser for Universe Today, 2015. |
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