News tagged with atomic clocks

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

NASA to test new atomic clock

When people think of space technologies, many think of solar panels, propulsion systems and guidance systems. One important piece of technology in spaceflight is an accurate timing device.

Oct 17, 2011
4 / 5 (5) 0

New record for measurement of atomic lifetime

Researchers at the Niels Bohr Institute have measured the lifetime of an extremely stable energy level of magnesium atoms with great precision. Magnesium atoms are used in research with ultra-precise atomic ...

Sep 07, 2011
not rated yet 0

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