Redefining the second: Optical atomic clock achieves record accuracy in comparison measurement
The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the ...
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One Minute Will No Longer Mean 60 Seconds by 2029 - Scientists Blame Melting Polar Ice Caps for It
The rapidly melting glaciers and rising sea levels are collectively slowing down Earth's rotation, which could alter time by ...