Unprecedented optical clock network lays groundwork for redefining the second Comparing optical clocks across six countries, researchers demonstrate a powerful step toward new global time standard ...

In the final analysis, by showing that 10 heterogenous clocks across three continents could agree with each other to within a ...

“The optical clock community is strongly motivated to obtain the best possible set of measurements before the SI second is ...

Earlier on June 2, Adtran announced the expansion of its Oscilloquartz optical cesium portfolio with the introduction of the new OSA 3200 SP and OSA 3250 ePRC atomic clocks. The additions aim to ...

However, aluminum is tricky. The element is difficult to measure with lasers, as well as cool to absolute zero. But when ...

There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and ...

Optical clocks can reach accuracies at the level of 10−18 “which is a number so accurate that if the clock started running at the big bang,” explains Alexandra Tofful, an optical clock ...

Optical quantum clocks developed at the University of Adelaide have been proven to outperform GPS navigation systems by many ...

Earlier on June 2, Adtran announced the expansion of its Oscilloquartz optical cesium portfolio with the introduction of the new OSA 3200 SP and OSA 3250 ePRC atomic clocks. The additions aim to make ...