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World’s most accurate atomic clock uses 2-mile laser beam to track time precisely

https://interestingengineering.com/innovation/worlds-most-accurate-atomic-clock-2
World’s most accurate atomic clock uses 2-mile laser beam to track time precisely https://interestingengineering.com/innovation/worlds-most-accurate-atomic-clock-2
World's most accurate atomic clock redefines how me measure second
interestingengineering.com
The National Institute of Standards and Technology has set a new world record for the most accurate aluminum ion-based optical atomic clock
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