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One of our readers requested an article about time keeping devices, and it’s a great time for the topic. Scientists set a new record in clock precision early this year with an atomic clock that ‘ticks’ 430 trillion times in a single second. Vibrations on your wrist Most wristwatches and wall clocks today use a…

It’s a question that millions of people ask every day: ‘What’s the time?’ Knowing the time is an essential part of everyday life and important to scientific research as well.