Lutetium-based clocks demonstrate record-breaking precision and high accuracy, making them promising candidates for future time standards and gravitational measurements. Results published in the journal Nature show that this clock measures transition frequency with precision up to 19 decimal places, achieving an uncertainty level of 1 × 10⁻¹⁹.
“Elchi” reports that the lutetium-based atomic clock developed at the Centre for Quantum Technologies (CQT) at the National University of Singapore (NUS) has set a new standard in timekeeping accuracy.
Results published in the journal Nature show that this clock measures transition frequency with precision up to 19 decimal places, achieving an uncertainty level of 1 × 10⁻¹⁹.
This figure is the lowest uncertainty ever recorded for any optical atomic clock.
Murray Barrett, a lead researcher at CQT and an associate professor at the Department of Physics at the National University of Singapore, is confident that the clock they currently possess is the most accurate in the world.
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