bn:03101645n
Noun Named Entity
Categories: National Institute of Standards and Technology, Articles with short description, Atomic clocks
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NIST-F1  American Atomic Clock  NIST Atomic Clock  NIST F1
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NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology in Boulder, Colorado, and serves as the United States' primary time and frequency standard. Wikipedia
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NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology in Boulder, Colorado, and serves as the United States' primary time and frequency standard. Wikipedia
A cesium fountain clock and the United States' primary time and frequency standard Wikipedia Disambiguation
An atomic clock Wikidata
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