A clock built from thorium-229 has crossed an important line, from a long-discussed concept to a working device. The shift ...

World's first thorium-229 nuclear clock shows potential for ultra-precise timekeeping and fundamental physics tests.

Back in 2024, a joint collaboration of researchers from TU Wien in Austria and the National Institute of Standards and ...

First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding ...

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, ...

To find out how clock accuracy is verified and which reference is used for comparison, we visited the Belarusian State Institute of Metrology (BelGIM), where most of the national standards are kept.

Adelaide University researchers have successfully tested a new type of portable atomic clock at sea for the first time, using technology that could help power the next generation of navigation, ...

Keeping perfect time is far trickier than it sounds. The world’s best clocks that are used for GPS navigation, satellite communication, and testing fundamental physics depend on carefully controlled ...

When it comes to navigation in outer space, keeping precise time is incredibly important, that's why NASA needs to use ...