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US defense programs target of China cyber threat

New revelations that China used cyberattacks to access data from nearly 40 U.S. weapons programs and almost 30 other defense technologies have increased pressure on American leaders to take more strident action against Beijing ...

dateMay 29, 2013 in Internet
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4C+29.30: Black hole powered jets plow into galaxy

(Phys.org) —This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray ...

dateMay 15, 2013 in Astronomy
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US Navy launches unmanned aircraft from carrier

The U.S. Navy for the first time Tuesday launched an unmanned aircraft the size of a fighter jet from a warship in the Atlantic Ocean, as it wades deeper into America's drone program amid growing concerns ...

dateMay 14, 2013 in Engineering
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