Physics
Ultracold clocks could reveal how quantum physics alters time
The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics
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The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics
In the 1800's the Greenwich Time Lady would take her stopwatch to the Royal Observatory, then travel all over London so her clients could synchronise their timepieces with hers