ha funny story speaking of capacitors, though, couldnt you charge a ceramic capacitor with a 9v so that it is charged up beyond 9vs and then fire? just considering that you dont really want to fire that rapidly. or you could have a couple of capacitors charging up while you werent using it, and when you got into a more vicous battle you would have several shots saved up. and speaking of the vents, wouldnt the explode at much less current if there were no vents? i was thinking you could heatshrink it as far as a more complex and more efficient circuit, i have no idea. but if i thought about it a lot i think i could get the mechanics worked out