Science and technology

Associated Press
In this Feb. 20, 2013 photo, a cadet works at a large computer display inside a classroom at the Center for Cyberspace Research, where cyber warfare is taught, at the U.S. Air Force Academy, in Colorado Springs, Colo. The U.S. service academies are ramping up efforts to groom a new breed of cyberspace warriors to confront increasing threats to the nation’s military and civilian computer networks that control everything from electrical power grids to the banking system. (AP Photo/Brennan Linsley)

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