...the Navy produced a 33-megajoule firing ....
A single megajoule is roughly equivalent to a 1-ton car traveling at 100 mph. Multiple that by
33 and you get a picture of what would happen when such a weapon hits a target....
A theoretical dream for decades, the railgun is unlike any other weapon used in warfare. And it's quite realtoo, as the U.S. Navy has proven in a record-setting test today in Dahlgren, VA.
Rather than relying on a explosion to fire a projectile, the technology uses an electomagnetic current to accelerate a non-explosive bullet at several times the speed of sound. The conductive projectile zips along a set of electrically charged parallel rails and out of the barrel at speeds up to Mach 7.
The result: a weapon that can hit a target 100 miles or more away within minutes.....
Read more: http://www.foxnews.com/scitech/2010/12/10/navy-railgun-shoots-bullets-electromagnet/#ixzz17m7bWcKI
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