Morning Overview on MSN
Reading a quantum clock uses more energy than operating it
Quantum timekeeping is supposed to be the ultimate in efficiency, with tiny devices that tick using the rules of quantum ...
Interesting Engineering on MSN
New near-zero-temperature atomic clock aims to redefine how precisely we measure time
Today’s state-of-the-art optical clocks offer accuracy to 18 decimal places, which is roughly equivalent to measuring the ...
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