News tagged with cooling
Using lasers to cool and manipulate molecules
Dec 07, 2009 |
4.8 / 5 (13) |
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(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...
3-D microchips for more powerful and environmentally friendly computers
Dec 11, 2009 |
4.6 / 5 (15) |
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Not so long ago our computers had a single core which had to be boosted for performance - making each machine into a great central heating system. Beyond 85° C, however, electronic components become unstable. ...
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Absence of evidence for a meteorite impact event 13,000 years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.1 / 5 (17) |
13
An international team of scientists led by researchers at the University of Hawaii at Manoa have found no evidence supporting an extraterrestrial impact event at the onset of the Younger Dryas ~13000 years ...
Magnetic field measurements of the human heart at room temperature
Dec 11, 2009 |
not rated yet |
1
A new optical sensor developed by the American National Institute of Standards and Technology was successfully tested by the Physikalisch-Technische Bundesanstalt (Germany) in the "magnetically best shielded ...
Cooling may benefit children after cardiac arrest
Dec 03, 2009 |
not rated yet |
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When the heart is stopped and restarted, the patient's life may be saved but their brain is often permanently damaged. Therapeutic hypothermia, a treatment in which the patient's body temperature is lowered and maintained ...
Ecosystem, vegetation affect intensity of urban heat island effect
Space & Earth / Earth Sciences
Dec 15, 2009 |
5 / 5 (2) |
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NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid ...
Hot Electrons Could Double Solar Cell Power Efficiency
Dec 18, 2009 |
4.3 / 5 (15) |
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Scientists have experimentally verified a theory suggesting that hot electrons could double the output of solar cells. The researchers, from Boston College, have built solar cells that successfully use hot ...
Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases
Dec 16, 2009 |
4.7 / 5 (10) |
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(PhysOrg.com) -- Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but theoreticians at ...
Professor foresees rising Antarctic snowmelt
Space & Earth / Earth Sciences
Dec 03, 2009 |
3.5 / 5 (2) |
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The 30-year record low in Antarctic snowmelt that occurred during the 2008-09 austral summer was likely due to concurrent strong positive phases for two main climate drivers, ENSO (El Niño - Southern Oscillation) and SAM ...
Large Hadron Collider preparing 2010 new science restart
Dec 18, 2009 |
4.6 / 5 (13) |
3
At its 153rd session today, the CERN Council heard that the Large Hadron Collider (LHC) ended its first full period of operation in style on Wednesday 16 December. Collisions at 2.36TeV recorded since last ...
Shoppers with smart phones IQ squeezing retailers
Dec 17, 2009 |
1 / 5 (1) |
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(AP) -- The rise of smart phones, with their go-anywhere Web access, is changing the shopping game this holiday season.
Pollution alters isolated thunderstorms
Space & Earth / Earth Sciences
Dec 15, 2009 |
3.2 / 5 (5) |
10
New climate research reveals how wind shear -- the same atmospheric conditions that cause bumpy airplane rides -- affects how pollution contributes to isolated thunderstorm clouds. Under strong wind shear ...
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