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U.S. Navy unveils high-speed rail gun
Published: July 14, 2014
Running time: 2:35
This video shows a U.S. Navy demonstration of a railgun.
This video shows a U.S. Navy demonstration of a railgun. A railgun is an electrically powered electromagnetic projectile launcher. It is made of a pair of parallel conducting rails, along which a sliding armature is accelerated by the electromagnetic effects of a current that flows down one rail, into the armature, and then back along the other rail.