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Physicists create groundbreaking atomic clock that's off by less than 1 second every 100 million yearsThe National Institute of Standards and Technology's new cesium fountain clock is one of the most precise atomic clocks ever ...
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This New Atomic Clock Is So Precise It Won’t Lose a Second for 140 Million YearsOn a campus in Boulder, Colorado, time just became a little more exact. Inside the National Institute of Standards and ...
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