Make Your Own Spud Turret
If you've got a few extra spuds lying around, why not shoot them out of a large cannon?
For some people a simple potato gun just isn't good enough. So why not make a triple-barreled spud turret? You should check out this awesome how-to that shows you how to make this incredible propane-powered potato gun that has a a joystick for aiming and a a fire control subsystem that can detect whether a projectile has been loaded before firing.
This turret will provide you with enough firepower to destroy an entire planet. Well, maybe not a planet, but you could probably knock out one of your friends with a round from this thing. I should probably warn you not to do that, but would you really listen?
HOW TO – Make a triple barrel PIC controlled spud gun [via make]