News tagged with x rays
Related topics: black holes , radiation , wavelength , protein , laser
German physicists create a 'super-photon'
Physicists from the University of Bonn have developed a completely new source of light, a so-called Bose-Einstein condensate consisting of photons. Until recently, expert had thought this impossible. This ...
Nov 24, 2010 |
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Gov't says full-body scanners at airports are safe
(AP) -- They look a little like giant refrigerators and pack a radiation dose big enough to peer through clothing for bombs or weapons, yet too minuscule to be harmful, federal officials insist. As the government ...
Nov 18, 2010 |
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Shortest-pulse X-ray beams could illuminate atomic, molecular interactions
(PhysOrg.com) -- Ultra-short X-ray beams produced at the University of Michigan could one day serve as more sensitive medical diagnostic tools, and they could work like strobe lights to allow researchers to ...
Nov 15, 2010 |
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New technology allows medical workers to better assess brain injuries
A Queen's University neuroscientist is launching a medical tool at the world's largest neuroscience conference in San Diego on Monday, Nov. 15.
Medicine & Health / Neuroscience
Nov 15, 2010 |
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'Naked' scanners at US airports may be dangerous: scientists (Update)
Some US scientists warned Friday that the full-body, graphic-image X-ray scanners now being used to screen passengers and airline crews at airports around the country may be unsafe.
Nov 13, 2010 |
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Scientists image the sea monster of nuclear fusion: the Rayleigh-Taylor instability
(PhysOrg.com) -- A new X-ray imaging capability has taken pictures of a critical instability at the heart of Sandia's huge Z accelerator. The effort may help remove a major impediment in the worldwide, multidecade, ...
Nov 12, 2010 |
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Illuminating the mechanism used by HIV to attack human DNA with X-rays
(PhysOrg.com) -- Scientists from Imperial College London have used data collected at Diamond Light Source, the UK's national synchrotron facility, to advance the understanding of how HIV and other retroviruses ...
Nov 11, 2010 |
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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 |
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Next-generation light source gets boost from powerful new analysis technique
(PhysOrg.com) -- A new analysis technique for the design and optimization of beam optics has successfully been used to model the group behavior of electron beams over a linear accelerator, paving the way for ...
Nov 08, 2010 |
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Physicists produce black hole plasma in the lab
(PhysOrg.com) -- Black holes are voracious: They devour large amounts of matter from gas clouds or stars in their neighbourhood. As the incoming "food" spirals faster and faster into the abyss, it becomes ...
Nov 04, 2010 |
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Steam train X-rayed for first time
(PhysOrg.com) -- A steam locomotive has been X-rayed by an innovative new mobile X-ray unit used for scanning cargo and vehicles for criminal activity.
Nov 02, 2010 |
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Canadian researchers 'see' how to capture CO2
The ability to keep CO2 out of the atmosphere to help prevent climate change is a global issue. The challenge is to use materials that can capture the CO2 and easily release it for permanent storage. Researchers ...
Chemistry / Analytical Chemistry
Oct 28, 2010 |
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Protein shows how plants keep their mouths shut
Using intense beams of x-rays at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory, researchers have uncovered the atomic structure of a protein responsible for closing the “mouths,” ...
Oct 28, 2010 |
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Precocious galaxy cluster identified by Chandra X-ray Observatory
(PhysOrg.com) -- NASA's Chandra X-ray Observatory has observed an unusual galaxy cluster that contains a bright core of relatively cool gas surrounding a quasar called 3C 186. This is the most distant object ...
Oct 26, 2010 |
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Study describes a tabletop source of bright, coherent X-rays
Producing tightly focused beams of high energy X-rays, to examine everything from molecular structures to the integrity of aircraft wings, could become simpler and cheaper according to new research.
Oct 24, 2010 |
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