Here are some of the most accurate clocks ever built, from one that relies on chilled cesium atoms to an optical lattice atomic clock that loses a second only every 4.4 billion years.
The rest of the story
livescience.com
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5 of the Most Precise Clocks Ever Made
Here are some of the most accurate clocks ever built, from one that relies on chilled cesium atoms to an optical lattice atomic clock that loses a second only every 4.4 billion years.
The rest of the story
livescience.com
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