Extremely cold atoms can selectively defy entropy

by Pelican Press
1 minutes read

Extremely cold atoms can selectively defy entropy

Extremely cold atoms can selectively defy entropy

A magnetic and optical trap used to cool atoms to close to absolute zero

NASA/JPL-Caltech/SCIENCE PHOTO LIBRARY

The laws of physics assert that an organised system will grow increasingly disordered over time until it dissolves into featureless mush – but a new experiment shows that some extremely cold atoms could avoid such entropy.

Any system beginning with low disorder, or low entropy, is bound to eventually become more of a mess. Picture flowers arranged in a bouquet: their entropy will gradually keep increasing until the brightly-coloured bundle…



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