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Science

Submission + - Most fundamental clock ever could redefine kilogram (newscientist.com)

wabrandsma writes: "Imagine ditching the bathroom scales and instead weighing yourself with a watch. That's now possible, in principle at least, following the creation of the first clock with a tick that depends on the mass of a single atom. The physicists behind it say it's the most fundamental clock ever invented, and that it could help to re-define the mass of the kilogram. Using a Compton clock."
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Most fundamental clock ever could redefine kilogram

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