Popular Science -
9 Apr 2013 18:30

The best defense is a good offense, unless you have lasers, in which case the best defense is lasers. One of the U.S. Navy's oldest ships is about to get a lot more futuristic, thanks to a laser. The Navy plans to retrofit the USS Ponce, first commissioned in 1971, with a laser weapons system early next year. The system works by using heat to blast through boats and deflect unmanned drones. The advantages? It's fast, deadly, and incredibly cheap. So cheap, in fact, that it is estimated to cost a...
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