China’s strontium optical clock now participates directly in international atomic time calculation Optical clocks operate at higher frequencies than caesium, allowing finer measurement resolution ...

BEIJING, Oct. 8 (Xinhua) -- Chinese scientists have developed a nuclear clock and achieved stable operation, shifting ultra-precise time measurement from electron transitions inside atoms to ...

China's nuclear clock is about six times more stable than Vienna's, as researchers push thorium-229 toward practical ...

Chinese scientists have engineered a clock so accurate it could lead to a redefinition of the second and an ultraprecise global time standard. The new optical clock is so accurate that it loses or ...

BEIJING, 9th October, 2026 (WAM) -- Chinese scientists have developed a nuclear optical clock that measures time through energy changes inside atomic nuclei, a breakthrough that could lead to more ...

Scientists in Austria and China have built the world's first operating nuclear clocks using Thorium-229. Know how this physics breakthrough works and why it matters.

Ultraprecise clocks that use transitions in atomic nuclei to keep time show promise as a next-generation time standard and for probing fundamental physics.

Two independent teams have locked lasers to the nucleus of thorium-229 and kept time with it, one clock running untouched for ...