News tagged with ionizers
Black-hole like effect in nanotube and the possibility of new matter states
(PhysOrg.com) -- “For the first time, fields of study relating both to cold atoms and to the nanoscale have intersected,” Lene Vestergaard Hau tells PhysOrg.com. “Even though both have been active areas of res ...
Apr 16, 2010 |
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Cryogenic electron emission phenomenon has no known physics explanation
(PhysOrg.com) -- At very cold temperatures, in the absence of light, a photomultiplier will spontaneously emit single electrons. The phenomenon, which is called "cryogenic electron emission," was first observed ...
Mar 10, 2010 |
4.7 / 5 (38) |
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Drilling Down into Mars
(PhysOrg.com) -- NASA's Phoenix lander revealed water ice mere inches beneath the martian surface, and chemical evidence from the landing site strongly hints that the region is habitable. But learning whether ...
Space & Earth / Space Exploration
Jun 08, 2010 |
4.8 / 5 (17) |
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Laser lightning rod: Guiding bursts of electricity with a flash of light
Lightning is a fascinating but dangerous atmospheric phenomenon. New research reveals that brief bursts of intense laser light can redirect these high-power electrical discharges.
Mar 13, 2012 |
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Nanodiamonds Produce 'Game Changing Event' for MRI Imaging Sensitivity
A Northwestern University study shows that coupling a widely used magnetic resonance imaging (MRI) contrast agent to a nanodiamond results in dramatically enhanced signal intensity and thus vivid image contrast. "The results ...
Nanotechnology / Bio & Medicine
Feb 18, 2010 |
5 / 5 (12) |
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Coke Bottle Quantum Physics
(PhysOrg.com) -- Don't be fooled by the collection of empty soda bottles in James Cryan's office at SLAC National Accelerator Laboratory. Cryan isn't a caffeine fiend—the cola bottles are for science. As a ...
Apr 16, 2009 |
4.1 / 5 (13) |
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Game-changing nanodiamond discovery for MRI
A Northwestern University study shows that coupling a magnetic resonance imaging (MRI) contrast agent to a nanodiamond results in dramatically enhanced signal intensity and thus vivid image contrast.
Nanotechnology / Bio & Medicine
Jan 14, 2010 |
4.8 / 5 (11) |
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Fusion diagnostic sheds light on plasma behavior at EAST
An instrument developed by researchers at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has enabled a team at the EAST fusion experiment in China to observe--in startling detail--how a particular ...
Aug 05, 2011 |
4.3 / 5 (12) |
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Image: Hubble's lagoon
Like brush strokes on a canvas, ridges of color seem to flow across the Lagoon Nebula, a canvas nearly 3 light-years wide.
Space & Earth / Space Exploration
Oct 15, 2010 |
4.9 / 5 (10) |
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Simulating the Birth of Massive Stars
(PhysOrg.com) -- Astronomers have made great strides recently in understanding how modest stars - those like the sun or smaller -- are formed.
Mar 09, 2010 |
4.5 / 5 (10) |
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Missing link of cloud formation
The discovery of an unknown hitherto chemical compound in the atmosphere may help to explain how and when clouds are formed. The discovery of the so called dihydroxyepoxides (an aerosol-precursor), is reported ...
Chemistry / Analytical Chemistry
Aug 11, 2009 |
4.1 / 5 (10) |
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Safeguarding genome integrity through extraordinary DNA repair
(PhysOrg.com) -- DNA is under constant attack, from internal factors like free radicals and external ones like ionizing radiation. About 10 double-strand breaks – the kind that snap both backbones of ...
Apr 19, 2011 |
4.8 / 5 (8) |
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Hubble mosaic of the Galactic center
(PhysOrg.com) -- This NASA Hubble Space Telescope infrared mosaic image represents the sharpest survey of the Galactic Center to date. It reveals a new population of massive stars and new details in complex ...
Space & Earth / Space Exploration
Oct 10, 2011 |
5 / 5 (7) |
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Scientists discover source of cancer stem cells' resistance to radiation
Much to the dismay of patients and physicians, cancer stem cells — tiny powerhouses that generate and maintain tumor growth in many types of cancers — are relatively resistant to the ionizing radiation often used as therapy ...
Feb 04, 2009 |
5 / 5 (6) |
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Sunspot 1121 unleashes X-ray flare
Active sunspot 1121 has unleashed one of the brightest x-ray solar flares in years, an M5.4-class eruption at 15:36 UT on Nov. 6th.
Space & Earth / Space Exploration
Nov 11, 2010 |
4.8 / 5 (5) |
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