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Navigator Technology Takes GPS To A New HighGreenbelt MD (SPX) Apr 12, 2010 GPS navigational devices are as ubiquitous as cell phones, freely used by commercial and government users alike to determine location, time, and velocity. These tools, however, are only as good as the signals they receive. Now, NASA engineers have found a way to improve the reception of those signals. GPS, which stands for the Global Positioning System, is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense. GPS originally w ... read more |
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Tehran, April 5, 2009 Iran's reported acquisition of a record-breaking British speedboat has raised fears it plans to arm it with high-speed Russian torpedoes to sink a U.S. aircraft carrier in hit-and-run raids if Iran is attacked because of its nuclear program. The Financial Times reported Sunday that Iran has got its hands on the 51-foot craft, the Bradstone Challenger, despite U.S. and British efforts to ... more  
Cape Canaveral, Florida (AFP) April 5, 2010The US space shuttle Discovery blasted off Monday toward the International Space Station for a historic mission that put more women in orbit than ever. NASA initially hailed a near-perfect launch but later said an antenna used to transmit television pictures back to Earth that is also an integral part of the radar docking system had failed to work when the shuttle reached orbit. "Discove ... more  
Bonn, Germany (SPX) Apr 05, 2010Seen from space, Easter Island looks anything but egg-shaped. The German Earth observation satellite TerraSAR-X flew over this small and remote volcanic island, acquiring snapshots that show that man-made structures can be seen easily even from space. This image shows the principle town of Hanga Roa, on the northwestern coast (in yellow), and the airport, in the western part of the island (black ... more |
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  Engineers Turn Noise Into Vision   Netherlands Navy Orders Fifth Integrated Mast   Instant online solar energy quotes Solar Energy Solutions from ABC Solar |
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How Bats Avoid CollisionsProvidence RI (SPX) Apr 01, 2010 For years, Brown University neuroscientist James Simmons has filmed bats as they flew in packs or individually chased prey in thick foliage. All the while, he asked himself why the bats never collided with objects in their paths or with each other. "You wonder, how do they do it?" he said. After a series of innovative experiments designed to mimic a thick forest, Simmons and colleagues at Brown and in Japan have discovered how bats are so adept at avoiding objects, real or perceived. I ... read more |
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