From Hilbert Space to Dilbert Space


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Relativity is Right on Time,...
physics, Feynman
gmcdavid
... Again

Special relativity predicts that a twin in a high-speed rocket, as viewed by his Earth-bound brother, will have a slower-ticking clock. A precise test of this time dilation, first performed in 1938, involves observing the frequency shift—or “ticking” change—in the electronic transitions of fast-moving ions. An update of this type of experiment using lithium ions has now verified special relativity's prediction with unprecedented accuracy—a result that provides additional constraints on quantum gravity models.
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