News tagged with cold atoms
Is random lasing possible with a cold atom cloud?
May 18, 2009 |
4 / 5 (6) |
4
(PhysOrg.com) -- Random lasing, Robin Kaiser tells PhysOrg.com, is like standard lasing, with a little bit of a twist: “You don’t know the direction the photons will go, as you do with a more standard laser. This is becaus ...
Bouncing atoms may be the key to the future of gravimetry
Apr 27, 2009 |
4.4 / 5 (14) |
1
(PhysOrg.com) -- When studying cold atoms, scientists often use magnetic or optical traps to keep the atoms in place. However, in some cases experimentalists want to study free atoms, avoiding the effects of a trap. "One ...
New Research Promises Better Atomic Clocks
Apr 22, 2009 |
4.7 / 5 (9) |
1
(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
A step closer to an ultra precise atomic clock
Apr 16, 2009 |
4.6 / 5 (14) |
7
A clock that is so precise that it loses only a second every 300 million years - this is the result of new research in ultra cold atoms. The international collaboration is comprised of researchers from the ...
Search results for cold atoms
WISE Is Chilling Out
Space & Earth / Space Exploration
11 hours ago |
4.7 / 5 (3) |
0
(PhysOrg.com) -- Engineers are busy cooling the science instrument on NASA's Wide-field Infrared Survey Explorer, or WISE. The spacecraft is scheduled to blast into space from Vandenberg Air Force Base in ...
A Tale of Planetary Woe (w/ Video)
Space & Earth / Space Exploration
13 hours ago |
4.3 / 5 (8) |
4
Once upon a time — roughly four billion years ago — Mars was warm and wet, much like Earth. Liquid water flowed on the Martian surface in long rivers that emptied into shallow seas. A thick atmosphere blanketed ...
Vibrations key to efficiency of green fluorescent protein
15 hours ago |
4.8 / 5 (5) |
0
University of California, Berkeley, chemists have discovered the secret to the success of a jellyfish protein whose green glow has made it the darling of biologists and the subject of the 2008 Nobel Prize ...
Earth's early ocean cooled more than a billion years earlier than thought (w/ Video)
Space & Earth / Earth Sciences
15 hours ago |
4.6 / 5 (9) |
1
(PhysOrg.com) -- The scalding-hot sea that supposedly covered the early Earth may in fact never have existed, according to a new study by Stanford University researchers who analyzed isotope ratios in 3.4 ...
Energy-saving powder: Converting methane to methanol
16 hours ago |
3.5 / 5 (4) |
1
It is currently estimated that natural gas resources will be exhausted in 130 years; however, those reserves where extraction is cost-effective will only flow for another 60 years or so.
Antarctic lake home to diverse community of viruses
20 hours ago |
5 / 5 (12) |
1
(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.
Warm-blooded dinosaurs worked up a sweat
Nov 11, 2009 |
5 / 5 (4) |
1
(PhysOrg.com) -- Were dinosaurs endothermic (warm-blooded) like present-day mammals and birds or ectothermic (cold-blooded) like present-day lizards? The implications of this simple-sounding question go beyond ...
New fossil plant discovery links Patagonia to New Guinea in a warmer past
Other Sciences / Archaeology & Fossils
Nov 10, 2009 |
4.3 / 5 (3) |
0
Fossil plants are windows to the past, providing us with clues as to what our planet looked like millions of years ago. Not only do fossils tell us which species were present before human-recorded history, ...
Hydrogen milestone moves energy independence one step forward
Nov 10, 2009 |
4.1 / 5 (11) |
4
(PhysOrg.com) -- Big things often come in small packages. That's certainly the case with the potential created by recent successes in hydrogen research at Idaho National Laboratory.
NASA sees high thunderstorms in newly formed Tropical Cyclone 4A near India
Space & Earth / Earth Sciences
Nov 10, 2009 |
5 / 5 (1) |
0
Tropical Cyclone 4A formed yesterday, November 10 off the western coast of India in the Arabian Sea, and NASA's infrared imagery captured some high, powerful thunderstorms developing in the storm's center.
List of search results for cold atoms
