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Entropy and time

Duration: 05:28

Prof Brian Cox builds sandcastles in the Namib Desert to explain why time travels in one direction. It is a result of a phenomenon called entropy; a law of physics that tells us any system tends towards disorder.

Available since: Sun 6 Mar 2011

Credits

Presenter
Brian Cox

This clip is from

Wonders of the Universe Destiny

1/4 Professor Brian Cox seeks to understand the nature of time.

First broadcast: 06 Mar 2011

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