Record-smashing atomic clock is the most accurate ever

April 21, 2015 9:34 PM

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A super-accurate atomic clock just got more accurate. Thanks to new modifications, a record-setting strontium atomic clock is now so stable that it could theoretically "tick" for 15 billion years — the age of our entire universe — without gaining or losing a second. That's much more accurate than America's master clock.

The clock was developed by JILA, a joint institute of the US National Institute of Standards and Technology (NIST) and the University of Colorado Boulder. Its new capabilities are reported in a paper published on Tuesday in Nature Communications.

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