The way the world measures time could be heading for a rare and significant overhaul. Advances in precision technology are ...

The clock itself is what’s known as a strontium optical lattice clock. Researchers in China have built one of the most ...

(Adam Gault/Photographer's Choice RF/Getty Images) Researchers in China have created one of the most precise clocks ever made ...

Chinese scientists have built a strontium optical clock so precise it would lose or gain less than one second over ...

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 ...

The field of optical atomic clocks, in combination with ultracold atoms, has transformed precision timekeeping and metrology. By utilising laser-cooled atoms confined in optical lattices, researchers ...

Scientists are exploring a new type of optical atomic clock based on ytterbium-173 ions that could help define the future ...

Chinese scientists create clock so precise it could redefine second - Optical clock measures time using light emitted by ...

A compact optical lattice clock with a volume of 250 liters has been developed. The system includes a physics package for conducting spectroscopy on the clock transition within a vacuum chamber, ...

The creation of atomic clocks allowed scientists to measure the second independently, based on unchanging features of nature.

Every second of modern life runs on precision — from GPS navigation to the time signals that keep the internet in sync. But scientists at MIT and Harvard have just taken precision to an entirely new ...

Add Yahoo as a preferred source to see more of our stories on Google. The reconciliation of general relativity and quantum mechanics is one of the biggest challenges in science, one that continues to ...