The Active Denial System, an invisible heat ray that induces a painful burning sensation on human skin, has joined US marines in Afghanistan. Unlike the smaller, 750-foot-ranged Silent Guardian, the ADS can emit heat beams over 1,640 feet. [BBC]
https://gizmodo.com/its-like-a-heatwave-burnin-in-the-subcutaneous-layer-of-5062966
