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English A ytterbium lattice clock that uses photons to measure time precisely
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23:59, 13 February 2022
2,400 × 1,600 (563 KB) WalkingRadiance Uploaded a work by Credit: N. Phillips/NIST from https://www.nist.gov/news-events/news/2016/11/nist-debuts-dual-atomic-clock-and-new-stability-record with UploadWizard
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