Sandcastle at the End of the Universe
Professor 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.
   
   
 
 
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The Wonders Collection ...
Wonders of the Solar System, Wonders of the Universe, plus exclusive audio commentaries and includes a bonus disc featuring nearly 3 hours of ...
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