Turns out, two atomic clocks are indeed better than one. And what role does sleep play in memory suppression?

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Sources:
http://nature.com/articles/doi:10.1038/nphoton.2016.231
https://www.nist.gov/news-events/news/2016/11/nist-debuts-dual-atomic-clock-and-new-stability-record
https://arxiv.org/pdf/1407.3493.pdf
http://nature.com/articles/doi:10.1038/ncomms13375

Images
https://commons.wikimedia.org/wiki/File:Inside_QuartzCrystal-Tuningfork.jpg
https://www.nist.gov/news-events/news/2016/11/nist-debuts-dual-atomic-clock-and-new-stability-record
https://www.nasa.gov/directorates/heo/scan/communications/policy/GPS.html
https://commons.wikimedia.org/wiki/File:Artist%27s_impression_of_the_expected_dark_matter_distribution_around_the_Milky_Way.jpg

The Best Atomic Clock Ever Built?

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