Science and technology

Associated Press
Christopher Del Mastro, head of anti submarine warfare mobil targets stands next to an unmanned underwater vehicle (UUV) in a lab at the Naval Undersea War Center in Middletown, RI., Tuesday, July 31, 2012.  Narragansett Bay is the testing ground for the Naval Undersea Warfare Center where the Navy is working toward its goal of achieving a squadron of self-driven, undersea vehicles.  (AP Photo/Stephan Savoia)

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