News tagged with atomic clocks

New 'pendulum' for the ytterbium clock

The faster a clock ticks, the more precise it can be. Due to the fact that lightwaves vibrate faster than microwaves, optical clocks can be more precise than the caesium atomic clocks which presently determine ...

Mar 09, 2012
4.5 / 5 (11) 1 | with audio podcast

Putting artificial atoms on the clock

Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...

Nov 07, 2011
5 / 5 (1) 0

Scientists meet to discuss usefulness of GMT

Leading scientists from around the world are meeting in Britain from Thursday to consider a proposal that could eventually see Greenwich Mean Time relegated to a footnote in history.

Nov 03, 2011
4.6 / 5 (9) 12