Rule of Thumb

THE COST OF MEASURING TIME ACCURATELY

Time (or its inverse, frequency) can be measured more accurately than any other physical quantity. For example, a two-dollar digital ...

Time (or its inverse, frequency) can be measured more accurately than any other physical quantity. For example, a two-dollar digital watch can easily be accurate to within 0.001 percent (one second per day), an accuracy that few other types of measuring instruments can achieve at any price.
R. A. Heindl, Design Engineer, Euclid, OH, USA

04/25/14

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