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11 Current news about the topic atomic clocks


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The fundamental constants are still constant

Atomic clocks prove the stability of the mass ratio of protons to electrons


Are the fundamental constants really constant? Recent investigations carried out at the Physikalisch-Technische Bundesanstalt (PTB) have shown that one essential fundamental constant - namely the mass ratio of protons to electrons - can have changed only by a maximum of one part in a million over ...


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