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

A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually ...

Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth. With the use of ultra-precise clocks, scientists have been able to ...

You wake up in the middle of the night. Is it time to get up? Well, you can look at the nightstand clock. Unless your partner is in the way. Whoops. Even then, without your glasses, the time is just a ...