You know how it is -- we're frightened and appalled by the thought of unmanned killing machines, but if they must exist we really, really want to play with one. The US Army's latest nightmarish deathcopter / awesome tech toy is a little something called the Autonomous Rotorcraft Sniper System (ARSS). Essentially a .338-caliber rifle mounted to the bottom of a Vigilante unmanned helicopter (though it could eventually be made to work on a Predator drone, for instance), this bad boy utilizes a modified Xbox 360 game contoller for targeting while the vehicle itself stays put courtesy of its autopilot functions. Never again will your favorite sniper n
