News tagged with x rays
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Search results for x rays
Mysterious X-rays from a Nearby Galaxy
Nov 13, 2009 |
4.3 / 5 (15) |
8
(PhysOrg.com) -- The nucleus of an active galaxy, an AGN, contains a massive black hole that is vigorously accreting material. In the process it typically ejects jets of particles and radiates brightly at ...
Lightning-produced radiation a potential health concern for air travelers
Space & Earth / Earth Sciences
5 hours ago |
3.2 / 5 (6) |
4
New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be ...
First Pump-Probe Experiment at Linac Coherent Light Source Completed
Nov 30, 2009 |
4.7 / 5 (12) |
0
(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...
Study: CT scans rule out heart attacks faster
Nov 18, 2009 |
5 / 5 (1) |
0
(AP) -- A new study suggests that a type of "super X-ray" can give a faster, cheaper way to tell whether a chest pain sufferer is really having a heart attack.
Sharks under threat as environmental change bites hard
Nov 17, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Their size and fearsome appearance have made them the stuff of nightmares, but new research just published suggests that sharks may not be as tough as they appear.
Scientists Generate Black Hole Radiation in the Lab
10 hours ago |
4.2 / 5 (10) |
2
(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...
Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays
3 hours ago |
3.8 / 5 (4) |
3
(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...
Swift, XMM-Newton satellites tune into a middleweight black hole
Nov 10, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- While astronomers have studied lightweight and heavyweight black holes for decades, the evidence for black holes with intermediate masses has been much harder to come by. Now, astronomers ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
Nov 27, 2009 |
4.8 / 5 (17) |
0
(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
Beverage can stay-tabs pose swallowing risk
Nov 30, 2009 |
2 / 5 (1) |
0
Three decades ago, a study revealed that beverage can pull-tabs were being swallowed by children, prompting a switch by U.S. manufacturers to stay-tabs. But a study presented today at the annual meeting of the Radiological ...
List of search results for x rays
