Sunday, December 12, 2010

Navy's New Railgun Zaps Old Record

 
 

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A railgun is the stuff of science-fiction and video games. Instead of firing an explosively fired projectile, a railgun uses an electromagnetic current to accelerate a non-explosive bullet to several times the speed of sound. On Friday, at 11 AM today, the Navy set a record, by producing a 33-megajoule firing, more than three times the previous record it set in 2008. Rear Adm. Nevin Carr, chief of naval research, said in a Navy report on the test: "The 33-megajoule shot means the Navy can fire projectiles at

 
 

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