The advantage of a radio-controlled clock that receives the time signal from WWVB is that you never have to set it again.

The Hatch sunrise alarm clock and noise machine stopped me from hitting 'snooze' and turned me into an early riser.

Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

A revolutionary timekeeping breakthrough could be on the horizon as scientists explore the thorium-229 nuclear optical clock, ...

In a perspective article recurrently published in the National Science Review, Dr Xin Tong (Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences) and his ...