The US Navy has just completed a 10-megajoule test fire of their huge rail gun. For the first time ever, they fired a projectile with a velocity of 8,270 feet per second. That's an amazing 5,640 mph, and the gun is only firing at a third of its potential power. The other video shows you what the projectile looks like when loaded.
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After the appalling tragedy in Salt Lake City earlier this week where an 18-year-old gunman began indiscriminately shooting people to death, our thoughts drifted toward arming ourselves to the teeth. The off-duty (and armed) cop on the scene saved countless lives, keeping the gunman pinned down until backup arrived. Maybe more citizens needed to be carrying guns on that fateful day.
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