News tagged with x rays
Related topics: black holes , radiation , wavelength , protein , laser
Ancient Mayans Inspire Modern Fade Proof Dye
Physicists have created a dye that promises to last for a thousand years. The secret to this extraordinary durability? Its formula is based on a Mayan pigment, a brilliant blue color that survives to this ...
Jul 30, 2010 |
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Black Hole Gets Jerked Around -- Twice
(PhysOrg.com) -- Scientists have found evidence that a giant black hole has been jerked around twice, causing its spin axis to point in a different direction from before. This discovery, made with new data ...
Jul 21, 2010 |
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First Soft X-rays Explore Ultrafast Magnetic Behaviors
(PhysOrg.com) -- The first user experiments on the Soft X-ray instrument at the Linac Coherent Light Source wrapped up last week. Research led by Andreas Scherz, a physicist at the Stanford Institute for Materials and Energy ...
Jul 19, 2010 |
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Crystal clear: Eureka! moment leads to major breakthroughs in structural biology
(PhysOrg.com) -- Tuning out the noise of fellow passengers and the incessant hum of the turbojet engine, Lin Chen pored voraciously over the pages of James Watson's The Double Helix. The words and ideas flowed ...
Jul 19, 2010 |
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RXTE Homes in on a Black Hole's Jets
(PhysOrg.com) -- For decades, X-ray astronomers have studied the complex behavior of binary systems pairing a normal star with a black hole. In these systems, gas from the normal star streams toward the black ...
Jul 01, 2010 |
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Top down approach helps academic medical center reduce unnecessary emergency department X-rays
An imaging algorithm produced by a radiology department and distributed through the medical director's office, in a top-down fashion, enabled a large, academic medical center to significantly reduce the number of unnecessary ...
Jul 01, 2010 |
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Unpeeling atoms and molecules from the inside out
(PhysOrg.com) -- The first published scientific results from the world's most powerful hard X-ray laser, located at the Department of Energy's SLAC National Accelerator Laboratory, show its unique ability ...
Jun 30, 2010 |
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NASA Instrument Will Identify Clues to Martian Past
(PhysOrg.com) -- NASA's Curiosity rover, coming together for a late 2011 launch to Mars, has a newly installed component: a key onboard X-ray instrument for helping the mission achieve its goals. Researchers ...
Space & Earth / Space Exploration
Jun 28, 2010 |
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How not to blow up a molecule
High-charge-state ions in a molecule cause strong Coulomb forces, repulsive forces that try to blow its atoms apart. But the research team's crucial finding was that a way to produce only lower charge states ...
Jun 25, 2010 |
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Early results from the world's brightest X-ray source
The first published scientific results from experiments at SLAC's Linac Coherent Light Source are out. The report, published today in Physical Review Letters, is the first look at how molecules respond to ult ...
Jun 22, 2010 |
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Water-splitting Photocatalyst Brought to Light
(PhysOrg.com) -- To produce "green" fuels, some scientists are looking for a little help from above. Sunlight is the key ingredient in photocatalytic water splitting, a process that breaks down water into ...
Jun 16, 2010 |
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Americans get most radiation from medical scans
(AP) -- We fret about airport scanners, power lines, cell phones and even microwaves. It's true that we get too much radiation. But it's not from those sources - it's from too many medical tests.
Jun 14, 2010 |
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Hard X-rays Reach LCLS Pump Probe Instrument
(PhysOrg.com) -- On June 7, the X-ray Pump Probe instrument became the first of the Linac Coherent Light Source's scientific instruments to receive hard X-rays.
Jun 09, 2010 |
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U.S. gives informal OK to $300 million Argonne upgrade
Argonne National Laboratory in Illinois has a baseball stadium-size X-ray machine that enables scientists to examine a vast array of materials in slivers as tiny as several atoms wide, work that some believe is key to breakthrough ...
Jun 08, 2010 |
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Scientists decipher structure of nature's 'light switch'
(PhysOrg.com) -- When the first warm rays of springtime sunshine trigger a burst of new plant growth, it's almost as if someone flicked a switch to turn on the greenery and unleash a floral profusion of color. ...
May 31, 2010 |
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