Abstract: In this paper, we propose a new time scale generation algorithm from an ensemble of hydrogen maser-type atomic clocks by using tools from control theory. We consider another ensemble of ...

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China mass-produces fingernail-sized atomic clock with extreme precision, enabling advanced targeting, navigation and secure ...

India's indigenous satellite navigation system, Navigation with Indian Constellation (NavIC), is facing scrutiny after reports that an atomic clock onboard one of its satellites has stopped ...

No audio available for this content. One of India’s four navigation satellites has failed, a setback for the NAVIC network. Satellite IRNSS-1F was lost after its atomic clock stopped functioning. Only ...

Narrow-linewidth vertical-cavity surface-emitting lasers (VCSELs) are critical for quantum sensors and chip-scale atomic clocks. However, conventional designs typically suffer from broad linewidths ...

Add Yahoo as a preferred source to see more of our stories on Google. Setting the time on a watch. (Getty Images) Daylight saving time begins tonight. At 2 a.m. local time Sunday, clocks across most ...

Asia-Pacific rebounded after several days of steep losses. South Korea's Kospi jumped as much as 12% on Thursday, staging a sharp rebound from its worst session. Overnight in the U.S., stocks rose, ...

The United States and Israel have launched thousands of missiles targeting Iran’s government and military infrastructure. Many are striking heavily populated areas, including the capital, Tehran, and ...

On March 2, 2026, the Bulletin of the Atomic Scientists' Alexandra Bell led an expert panel discussion featuring Kelsey Davenport, Director for Nonproliferation Policy at the Arms Control Association, ...