News tagged with cold
Is random lasing possible with a cold atom cloud?
May 18, 2009 |
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(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 |
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(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 |
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(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 ...
Finding could lead to advance in nano-surgery
Nov 25, 2008 |
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(PhysOrg.com) -- One of the problems with laser surgery is that the heat produced can damage tissue, and even lead to cell death. Attempts are being made to replace laser surgery with non-thermal plasma interaction, ...
Extinct goat was cold-blooded
Nov 18, 2009 |
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(PhysOrg.com) -- An extinct goat that lived on a barren Mediterranean island survived for millions of years by reducing in size and by becoming cold-blooded, which has never before been discovered in mammals.
Space shuttle science shows how 1908 Tunguska explosion was caused by a comet
Space & Earth / Earth Sciences
Jun 24, 2009 |
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The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion ...
Wetlands likely source of methane from ancient warming event
Space & Earth / Earth Sciences
Apr 23, 2009 |
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An expansion of wetlands and not a large-scale melting of frozen methane deposits is the likely cause of a spike in atmospheric methane gas that took place some 11,600 years ago, according to an international ...
A step closer to an ultra precise atomic clock
Apr 16, 2009 |
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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 ...
Making a Point: Picoscale Stability in a Room-Temperature AFM
Mar 25, 2009 |
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(PhysOrg.com) -- Forget dancing angels, a research team from the National Institute of Standards and Technology (NIST) and the University of Colorado (CU) has shown how to detect and monitor the tiny amount ...
'Peking Man' older than thought; somehow adapted to cold
Other Sciences / Archaeology & Fossils
Mar 11, 2009 |
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(PhysOrg.com) -- A new dating method has found that "Peking Man" is around 200,000 years older than previously thought, suggesting he somehow adapted to the cold of a mild glacial period.
Sequences capture the code of the common cold
Biology /
Feb 12, 2009 |
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(PhysOrg.com) -- In an effort to confront our most familiar malady, scientists have deciphered the instruction manual for the common cold.
North Pole wolf emails locations to researchers
Dec 01, 2009 |
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In July the scientists, one from the United States, the other from Canada, put the satellite collar on Brutus, the leader of his wolf pack, on remote Ellesmere Island, only 600 miles from the North Pole. Their ...
Researcher finds there could be up to 200 cold viruses
Oct 19, 2009 |
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(PhysOrg.com) -- Bad news for the immune system: New research has boosted the number of likely common-cold viruses waiting to make you miserable from the long-accepted 100 to perhaps double that number.
Nowhere to hide: Some species are unable to adapt to climate change due to their genes
Sep 03, 2009 |
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Species living in restricted environments such as the tropics may lack adequate variation in their genes and be unable to adapt to climate change, according to a new study.
Adult gut can generate new neurons
Aug 04, 2009 |
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The adult lower digestive tract can be stimulated to add neurons to the intestinal system, according to new mouse research in the August 5 issue of The Journal of Neuroscience. The study shows that drugs similar to the ne ...
