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Navy Railgun Sets New Record, Launching A Metal Bullet To Mach 7 Speeds

12-13-2010 • popsci.com

The Navy just broke its own record for an awesomely powerful railgun, which can hurl a projectile hundreds of miles at superfast speeds without using explosives.

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Navy Railgun Sets New Record, Launching A Metal Bullet To Mach 7 Speeds

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