July 1, 1993
1 min read
Accurate Measurement of Time
Increasingly accurate clocks--now losing no more than a second over millions of years--are leading to such advances as refined tests of relativity and improved navigation systems
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July 1, 1993
1 min read
Accurate Measurement of Time
Increasingly accurate clocks--now losing no more than a second over millions of years--are leading to such advances as refined tests of relativity and improved navigation systems