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 |
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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 |
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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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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 |
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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 |
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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 |
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New detector design improves gamma-ray measurements
(Phys.org) -- In the pursuit of precision measurements, nothing is simple, even when the apparatus employed appears to be utterly uncomplicated. An instructive case in point is the new ionization chamber used ...
Apr 06, 2012 |
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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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Clocking the mosh pit of interstellar space
(PhysOrg.com) -- The space between the stars in the Milky Way and all other galaxies is full of dust and gas, the raw materials from which stars and planets are made.
Oct 05, 2011 |
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New discovery sheds light on the ecosystem of young galaxies
(PhysOrg.com) -- A team of scientists, led by Michael Rauch from the Carnegie Observatories, has discovered a distant galaxy that may help elucidate two fundamental questions of galaxy formation: How galaxies ...
Aug 29, 2011 |
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Astrophysicists identify missing fuel for galactic star formation
(PhysOrg.com) -- The Milky Way will have the fuel to continue forming stars, thanks to massive clouds of ionized gas raining down from its halo and intergalactic space. This is the conclusion of a new study ...
Aug 25, 2011 |
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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 |
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Disruption of giant molecular clouds by massive star clusters
(PhysOrg.com) -- New computer simulations show that the light from massive stars is, by itself, enough to blow apart the nebula where the stars are born. While this 'radiation pressure' was by and large overlooked in the ...
Jun 02, 2011 |
5 / 5 (3) |
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Tiny talk on a barnacle's back: Scientists use new imaging technique to reveal complex microbial interactions
Even the merest of microbes must be able to talk, to be able to interact with its environment and with others to not just survive, but to thrive. This cellular chatter comes in the form of signaling molecules ...
May 10, 2011 |
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