New clock 100 times more accurate than atomic clock
A newly proposed clock that uses the orbit of a neutron around an atomic nucleus to keep time would be so accurate that it would only gain or lose 1/20th of a second every 14 billion years – or about the lifetime of the universe.
The unprecedented accuracy of this new technique comes from linking the system to the orbit of a neutron within an atomic nucleus. That makes it more accurate than atomic clocks, explains Professor Victor Flambaum, Head of Theoretical Physics at UNSW.
FOCS 1, a continuous cold caesium fountain atomic clock in Switzerland, started operating in 2004 at an uncertainty of one second in 30 million years
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