Latest in our series of "when video games turn real," here's the US Army's newest addition to the wargadget arsenal. The Individual Gunshot Detector, produced by QinetiQ, is an acoustic monitor attuned to tracking down the source of gunshots just by their sound. It has four sensors to pick up the noise of incoming fire, and its analysis of those supersonic sound waves produces a readout on a small display that lets the soldier know where the deadly projectiles originated from. The entire system weighs just under two pounds, and while it may
