Anyone who's ever picked a flea off a dog's back with an automatic weapon knows there's a fine line between a crushed bug and a bloody mutt. Fortunately for flea-bitten K9s, a team of researchers are working on a laser-packing fiber-optic sensor system to guarantee that your rifle's crosshairs are always dead on. Known simply as the Reticle Compensating Rifle Barrel Reference Sensor, the setup enlists the exterior grooves, or flutes, on a typical rifle as a receptacle for glass optical fibers. These fibers direct beams of light along the top and s
