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Summary
NIST-7: The seventh generation of atomic clocks at the National Institute of Standards and Technology. It was unveiled on April 22, 1993, and keeps time to an accuracy of one second in one million years. When this clock was fully evaluated, approximately a year after its unveiling, it had an accuracy of one second in three million years and was the world's most accurate clock.
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Tags
nist 7 atomic clock
high resolution
ultra high resolution
national institute of standards and technology
Date
22/04/1993
Source
National Institute of Standards and Technology
Link
Copyright info
Public Domain