U.S. Eyes ‘Pain Beam’ for Home Security, Law Enforcement

December 11, 2007

Burglars break into an apartment, hoping to pick up some expensive electronics or jewelry. But they’re out again, empty-handed, within seconds, howling with pain and surprise. They’ve been driven back by waves of intolerable heat: Entering the apartment is like stepping into a furnace. It’s the Active Denial System, or ADS, at work, the ultimate in home protection … among other uses. (Wired)