Question

Which watch is used by scientist to measure the Time

Answer 1

Answer:  

A newly-designed atomic clock uses entangled atoms to keep time even more precisely than its state-of-the-art counterparts. The design could help scientists detect dark matter and study gravity's effect on time. Atomic clocks are the most precise timekeepers in the world.

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Answer 2

Answer:

Atomic clock is used by scientists to measure the time.