Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia. From Greenbelt, Md., however, NASA's Gorkavyi and colleagues witnessed ...
Earth Sciences
Aug 14, 2013
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In the event that a giant asteroid is headed toward Earth, you'd better hope that it's blindingly white. A pale asteroid would reflect sunlight—and over time, this bouncing of photons off its surface could create enough ...
Space Exploration
Oct 26, 2012
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(Phys.org)—Using a novel method of integrating video technology and familiar control devices, a research team from Georgia Tech and the Georgia Tech Research Institute (GTRI) is developing a technique to simplify remote ...
Robotics
Sep 25, 2012
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(Phys.org) -- According to the internet hysteria surrounding the ancient Mayan calendar, an asteroid could be on its way to wipe out the world on December 21, 2012.
General Physics
Aug 7, 2012
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A scientist claiming to work for the Atomic Energy Organisation of Iran told a Finnish cyber-security group that Tehran's nuclear programme had been the victim of a new cyber attack, the group said Wednesday.
Internet
Jul 25, 2012
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Scientists today described development of a new explosives detector that can sense small amounts of TNT and other common explosives in liquids instantly with a sensitivity that rivals bomb-sniffing dogs, the current gold ...
Analytical Chemistry
Mar 28, 2012
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Berkeley Lab researchers are developing a promising treatment for safely decontaminating humans exposed to radioactive actinides from a major radiation exposure event, such as a nuclear reactor accident or a "dirty bomb" ...
Materials Science
Mar 6, 2012
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US security firm Symantec has warned of a new computer virus similar to the malicious Stuxnet worm believed to have preyed on Iran's nuclear program.
Internet
Oct 19, 2011
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Northwestern University scientists have developed new materials that can detect hard radiation, a very difficult thing to do. The method could lead to a handheld device for detecting nuclear weapons and materials, such as ...
Condensed Matter
Sep 12, 2011
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The rate of global warming could lead to a rapid release of carbon from peatlands that would further accelerate global warming.
Mathematics
Nov 29, 2010
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