While the laser-sighted pool cue may look cool to geeks, taking this into any purist pool hall is a great way to get stomped. The cue has a small crosshairs projector in its tip, which places a big red X on the white cueball. The better your aim, the bigger the X. The creators, CueSight, have thoughtfully provided video of the laser-sighted pool cue in action so you can see exactly how it makes ...