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1 .This is Scientific American's 60-Second Tech. I'm Larry Greenemeier. Got a minute?
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2 .The Pentagon is closer to adding a futuristic new gun to its arsenal, using electricity rather than chemical propellants.
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3 .It's called an electromagnetic rail gun.
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4 .A rail gun uses magnetic fields created by strong electrical currents to accelerate a sliding metal conductor along two rails.
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5 .It can hurl projectiles as far as 370 kilometers at speeds of up to 9,000 kilometers per hour.
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6 .That's nearly twice as fast as conventional guns.
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7 .After testing a couple of different rail guns in recent years, the Office of Naval Research awarded defense contractor BAE Systems $34.5 million to build a new prototype.
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8 .This next-generation rail gun should overcome its predecessor's shortcomings by firing multiple rounds and not overheating.
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9 .Ship-mounted rail guns would be powered by the vessel's electrical grid and reduce the amount of combustible material onboard.
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10 .With the Navy already preparing to deploy laser-mounted cannons on some of its ships, control of the high seas may soon go to the side that can generate the most energy.
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11 .Thanks for the minute, for Scientific American's 60-Second Tech. I'm Larry Greenemeier.
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