Navy Sets World Record With Incredible, Sci-Fi Weapon

A theoretical dream for decades, the railgun is unlike any other weapon used in warfare. And it's quite real too, as the U.S. Navy has proven in a record-setting test today in Dahlgren, VA.

More at link:

http://www.foxnews.com/scitech/2010/12/10/navy-railgun-shoots-bullets-electromagnet/