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

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 ...

Rushing to get to work in the morning, we grab our coat, bag and keys and – invariably – steal a glance at the clock to check that we are running on time. The passing of time is so integral to our day ...

For Rooney, the history of timekeeping has many pivotal moments - but three he picks out when talking to DCD are the ...