The U.S. Navy yesterday test fired an incredibly powerful new big gun designed to replace conventional weaponry aboard ships. Sci-fi fans will recognize its awesome power and futuristic technology.
The big gun uses electromagnetic energy instead of explosive chemical propellants to fire a projectile farther and faster. The railgun, as it is called, will ultimately fire a projectile more than 230 miles (370 kilometers) with a muzzle velocity seven times the speed of sound (Mach 7) and a velocity of Mach 5 at impact.
The Navy's motivation? Simple destruction.
"I never ever want to see a Sailor or Marine in a fair fight. I always want them to have the advantage," said Chief of Naval Operations, Admiral Gary Roughead
http://news.yahoo.com/s/livescience/20080201/sc_livescience/navytestsincrediblescifiweapon
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