Atomic clocks record time using microwaves at a frequency matched to electron transitions in certain atoms. They are the basis upon which a second is defined. But there is a new kid on the block ...

A clock honouring a town's old time zone has been unveiled at a shopping centre. The Stroud Time clock at the Five Valleys Shopping Centre is fixed at 12:09, in reference to the fact Stroud was once ...

It keeps such great time by periodically syncing with the atomic clock in Mainflingen, Germany. The core of the project is an ATMega328 which uses the new DCF77 library for decoding the signal ...