Last January, at Moody Air Force Base, Ga., the military demonstrated one of the latest advancements in nonlethal technology, the Active Denial System (ADS), which uses a focused beam of millimeter waves to produce an intolerable heating sensation on human skin, repelling the individual without causing injury. During demonstrations with media representatives, ADS caused people to quickly flee from the firing line, and it is expected it would have the same effect on potentially hostile crowds from up to 500 meters away.
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