write a short note on different time measuring devices used from ancient to present.
long answer please answer fast
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you can write about sand clock etc the answers are in google
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Ancient Time Measuring Devices
Sundials and Obelisks. In 1500 B.C simple sundials were used to divide the time interval between sunrise and sunset in 12 different parts. ...
Sand-glass. ...
Water clock. ...
Candle clock. ...
Pendulum. ...
The Quartz.
modern Time Measuring Devices
Today, the usual measuring instruments for time are clocks and watches. For highly accurate measurement of time an atomic clock is used. Stopwatches are also used to measure time in some sports.
Solution: An atomic clock is the most precise time measuring device because atomic oscillations are repeated with a precision of 1s in `10^(13)s`.
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