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Most precise test yet of Einstein's gravitational redshift

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babea

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While airplane and rocket experiments have proved that gravity makes clocks tick more slowly — a central prediction of Albert Einstein's general theory of relativity — a new experiment in an atom interferometer measures this slowdown 10,000 times more accurately than before, and finds it to be exactly what Einstein predicted.


http://www.berkeley.edu/news/media/rele ... hift.shtml
 
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ramparts

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And co-authored by a member of the President's cabinet, too. Now there's something you don't see every day.
 
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