By comparing optical clocks in six different countries, researchers have taken a major step toward establishing a new global ...

Israel has been targeting Iran's nuclear infrastructure, with a key focus on its underground uranium enrichment plants. Its ...

Every clock in your house probably tells a slightly different time. Now picture those clocks as the most precise instruments humanity has ever built, so accurate that they wouldn't lose or gain a ...

A research team led by Prof. Chang Hong from the National Time Service Center (NTSC) of the Chinese Academy of Sciences (CAS) ...

In a new study, researchers carried out the most extensive coordinated comparison of optical clocks to date by operating ...

RASCOE: This week, there's a new exhibit opening at the Atomic Museum, all about the photograph that might seem absurd to viewers in 2025. But in the 1950s, it kind of made sense.

School of Energy and Mechanical Engineering, Jiangxi University of Science and Technology, Nanchang 330013, China ...

NASA scientists are moving on from typical atomic clocks and using optical light and strontium atoms to build a new future.

New Oscilloquartz models bring advanced optical pumping technology to telecom, defense, data center and metrology networks Adtran’s unique cesium clock solutions deliver longer service life and ...

The new models also address industry demand for alternatives to legacy magnetic cesium clocks that are more difficult to manage over time.

Abstract: The strontium ion clock developed at the National Research Council of Canada has reached an uncertainty level of 5 mHz in recent years. This low level of uncertainty was achieved in great ...

Abstract: We report on measurements of frequency shifts in a high-performance microwave cesium vapor cell atomic clock based on coherent population trapping (CPT). The dependence of the clock ...