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How do people around the world keep time together? They use atomic clocks. These remarkable devices tap into frequencies hidden in the hearts of atoms to produce astoundingly stable, accurate ticks of time – far better than any other kind of clock. This animation explains why we use atoms to keep time and how they keep us all on the beat. | National Institute of Standards and Technology (NIST)

How do people around the world keep time together? They use ato…

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How atomic clocks measure time more accurately ⌚️ If you apply an electric current to a crystal, it vibrates about 32,000 times a second. This frequency oscillation gives a more accurate measure of time and is the basis of atomic clocks, a technology born from the Second World War. Early atomic clocks vibrated at around 5 billion times a second. Current iterations get to 430 trillion energy transitions per second or more, allowing for far more refined definitions of time. Tap link to learn more:

How atomic clocks measure time more accurately ⌚️ If you apply a…

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The world's most accurate atomic clock based on neutral atoms has been demonstrated by physicists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder. The JILA strontium clock would neither gain nor lose a second in more than 200 million years. Bathed in red laser light at exactly the right frequency, strontium atoms "tick" 430 trillion times a second. Ultrahigh accuracy atomic clocks are critical for GPS navigation, s

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