News tagged with atomic clock

New method developed for synchronizing clocks

Maintaining the correct time is no longer just a matter of keeping your watch wound -- especially when it comes to computers, telecommunications, and other complex systems. The clocks in these devices must stay accurate to ...

Jul 20, 2010
4.4 / 5 (7) 0

GPS getting an upgrade - for $8 billion

(PhysOrg.com) -- GPS is getting an upgrade costing $8 billion (US), which aims to increase the system's accuracy, improve its reliability, and make the technology even more widespread.

May 25, 2010 report
4.6 / 5 (16) 15 | with audio podcast

Optical atomic clock becomes portable

You imagine a clock to be different -- yet the optical table with its many complicated set-ups really is one. Optical clocks like the strontium clock in the Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig ...

Sep 03, 2009
4.8 / 5 (6) 2

Portable Precision: A New Type of Atomic Clock

The most accurate atomic clocks in the world are based on the output of cesium atoms. These ultra-precise fountain clocks measure the frequency and time interval of seconds by using a fountain-like movement of cesium atoms. ...

Jun 11, 2009
3.2 / 5 (9) 2