(Phys.org)—A team of scientists from six European countries reported today they have finalized a thirty years long investigation of a hypergiant star that crossed the Yellow Evolutionary Void. In that period the star's ...
Astronomy
Nov 5, 2012
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The threat to U.S. warfighters from improvised explosive devices (IEDs) is as varied as the makers of IEDs are resourceful in how they design and conceal the explosives. The Department of Defense has developed and deployed ...
Other
Oct 17, 2012
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(Phys.org) -- Once impossible, scientists can now eavesdrop on microbes, thanks to a new technique from scientists at Pacific Northwest National Laboratory and three universities. Microbes converse by releasing simple and ...
Cell & Microbiology
Jul 26, 2012
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(Phys.org) -- Rice University researchers have settled a long-standing controversy over the mechanism by which silver nanoparticles, the most widely used nanomaterial in the world, kill bacteria.
Bio & Medicine
Jul 11, 2012
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University of Utah engineers designed microscopic mechanical devices that withstand intense radiation and heat, so they can be used in circuits for robots and computers exposed to radiation in space, damaged nuclear power ...
Engineering
Jun 12, 2012
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X-ray mammography is an important diagnostic tool in the fight against breast cancer, but it has certain drawbacks that limit its effectiveness. For example, it can give in false positive and negative results; it also exposes ...
Optics & Photonics
May 7, 2012
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(Phys.org) -- How better to find out what effect ionizing radiation has on human skin than by using the real thing? Researchers at Pacific Northwest National Laboratory did that by performing a quantitative mass spectrometry ...
Biochemistry
Apr 24, 2012
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(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 to determine ...
General Physics
Apr 6, 2012
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To observe ultrarapid phenomena such as the motion of electrons within matter, researchers need sources capable of producing extremely fast and energetic light radiation. Although devices capable of emitting pulses with attosecond ...
Plasma Physics
Apr 5, 2012
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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.
General Physics
Mar 13, 2012
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