Say Hello to My Little Friend: Meet the U.S. Navy’s electromagnetically powered railgun.

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 will prove 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.

“It’s an over-used term, but it really changes several games,” Rear Admiral Nevin P. Carr, Jr., the chief of Naval Research, told FoxNews.com prior to the test.

For a generation raised on shoot-’em-up video games, the word “railgun” invokes sci-fi images of an impossibly destructive weapon annihilating monsters and aliens. But the railgun is nonetheless very real.

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