Michael Lee

Co-first author and PhD student on the lutetium clock team

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Lutetium atomic clocks verified at the 19th digit

PhD student at NUS; says the next step is a transportable miniaturized clock

The world's most accurate clock would take more than 260 billion years to lose a second. Researchers at the National University of Singapore (NUS) built two of them from the rare-earth metal lutetium and verified they agree to the 19th decimal place — the most precise clock comparison ever performed.

Updated Oct 6