Time is relative. And yet we always want to be on time, down to the second. Given that we don’t have an unlimited amount of time every day, and our perception of time varies on what we do, we need something that could accurately tell us the time.
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Atomic clocks can do just that but we don’t have the luxury of taking heavy pieces of machinery and equipment with us wherever we go. But researchers from the University of Sussex might have found a way to shrink atomic clocks for portable use.
(Image credit: Epic Lab/University of Sussex)