News tagged with atomic clocks

Are humans extinction-proof?

Does climate change seriously threaten to wipe out the human species if left unchecked? Examining our evolutionary past suggests it might once have been the perfect catalyst for our extinction. But now?

Jun 09, 2011
4.1 / 5 (8) 18

World's smallest atomic clock on sale

(PhysOrg.com) -- A matchbook-sized atomic clock 100 times smaller than its commercial predecessors has been created by a team of researchers at Symmetricom Inc. Draper Laboratory and Sandia National Laboratories.

May 02, 2011
1 / 5 (1) 5 | with audio podcast

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