News tagged with black
Black hole, star collisions may illuminate universe's dark side
Scientists looking to capture evidence of dark matter -- the invisible substance thought to constitute much of the universe -- may find a helpful tool in the recent work of researchers from Princeton University ...
Sep 19, 2011 |
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Small distant galaxies host supermassive black holes
(PhysOrg.com) -- Using the Hubble Space Telescope to probe the distant universe, astronomers have found supermassive black holes growing in surprisingly small galaxies. The findings suggest that central black ...
Sep 15, 2011 |
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A cut above the Eiffel Tower
Vladimir G. Shukhov, one of the most ingenious engineers of the 19th and early 20th centuries, developed revolutionary construction techniques. The Russian engineer built lattice towers up to 150 meters high ...
Sep 14, 2011 |
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East Texas town unfairly branded as racist after 1998 hate crime, study finds
As the Sept. 21 execution date looms for a man convicted for his role in chaining and dragging a black man to his death, attention again will be focused on the small East Texas town of Jasper, vilified worldwide as racist ...
Other Sciences / Social Sciences
Sep 14, 2011 |
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Fermi's latest gamma-ray census highlights cosmic mysteries
(PhysOrg.com) -- Every three hours, NASA's Fermi Gamma-ray Space Telescope scans the entire sky and deepens its portrait of the high-energy universe. Every year, the satellite's scientists reanalyze all of ...
Sep 09, 2011 |
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Research team pinpoints location of elusive black hole using radio jets
(PhysOrg.com) -- A team of Japanese astrophysicists and space scientists have found a way to more precisely describe where in space a very large, but distant black hole lies. In their paper published in Nature, the te ...
Sep 08, 2011 |
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McAfee warns of hacker threat to autos
Cars made smarter with Internet technology are zooming into perilous hacker territory, according to a report by US computer security giant McAfee.
Sep 07, 2011 |
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Blazars
(PhysOrg.com) -- A blazar is a galaxy which, like a quasar, has an intensely bright central nucleus containing a supermassive black hole. In a blazar, however, the emitted light sometimes includes extremely ...
Sep 06, 2011 |
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Cutting soot emissions: Fastest, most economical way to slow global warming
A new study of dust-like particles of soot in the air — now emerging as the second most important -- but previously overlooked -- factor in global warming provides fresh evidence that reducing soot emissions from diesel ...
Aug 31, 2011 |
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Chandra finds nearest pair of supermassive black holes
(PhysOrg.com) -- Astronomers have used NASA's Chandra X-ray Observatory to discover the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. At a distance of 160 million light ...
Aug 31, 2011 |
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Why the LHC (Still) won’t destroy the Earth
Surprisingly, rumors still persist in some corners of the Internet that the Large Hadron Collider (LHC) is going to destroy the Earth – even though nearly three years have passed since it was first turned ...
Aug 29, 2011 |
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Making massive stars
How do massive stars form? Stars with more than about eight times as much mass as the sun are arguably the most important actors in the universe. Although they live only hundreds of millions of years, they ...
Aug 29, 2011 |
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Exotic galaxy reveals tantalizing tale
(PhysOrg.com) -- A galaxy with a combination of characteristics never seen before is giving astronomers a tantalizing peek at processes they believe played key roles in the growth of galaxies and clusters ...
Aug 25, 2011 |
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Insulin pump maker identified after hacking talk
(AP) -- When Jay Radcliffe revealed three weeks ago that he'd found serious security holes in a popular type of insulin pump that diabetics wear, he kept two important details secret: the pump maker's name, ...
Aug 25, 2011 |
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Researchers detail how a distant black hole devoured a star
(PhysOrg.com) -- Two studies appearing in the Aug. 25 issue of the journal Nature provide new insights into a cosmic accident that has been streaming X-rays toward Earth since late March. NASA's Swift satell ...
Aug 24, 2011 |
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