Scientists worried by riot control ray gun Thu Jul 21, 2005 12:34 AM IST LONDON (Reuters) - Scientists are questioning the safety of a Star Wars-style riot control ray gun due to be deployed in Iraq next year. The Active Denial System weapon, classified as "less lethal" by the Pentagon, fires a 95-gigahertz microwave beam at rioters to cause heating and intolerable pain in less than five seconds. The idea is people caught in the beam will rapidly try to move out of it and therefore break up the crowd. But New Scientist magazine reported on Wednesday that during tests...