America's Navy Tests Its Missiles in the World's Biggest Potato Gun

Ballistics testing for the military is an expensive proposition. A potato cannon, popular in at-home ballistics testing, is cheap. A new testing device developed by the Navy—a super-sized version of the spud gun—provides a low-cost alternative by simply shooting stuff out of a few pipes. » 4/09/12 11:00am 4/09/12 11:00am