Seeking 'absolute zero', copper cube gets chillingly close
Rome (AFP) Oct 21, 2014 - An Italian lab has cooled a cubic metre of copper to within a tiny fraction of "absolute zero", setting a world record, the National Nuclear Physics Institute said Tuesday. "The cooled copper mass... was the coldest cubic meter in the universe for over 15 days," the INFN said on its website. "It is the first experiment ever to cool a mass and a volume of this size to a temperature this c ... more
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