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The top documents tagged [base unit of time]
NIST-F1 Cesium Fountain Atomic Clock The Primary Time and Frequency Standard for the United States f = 9,192,631,770
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Origins Lecture 15; May 29 2014. Previously on Origins Time of history/humans vs. time of “god” –What was there before time? –Does this make sense? The
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Origins
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NIST-F1 Cesium Fountain Atomic Clock The Primary Time and Frequency Standard for the United States
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Chapter 2-2 Units of Measurement Modification of Mrs. Rugh’s presentation 9/22/14
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