those little blue humming rod things that the Blue Sun Corporation guys from Firefly use to kill people. theyre neat because 1. they look like pens and not real weapons, 2. you dont have to aim them, just hold it near them, 3. nobody else has said it yet, and 4. theyre from Firefly, which as we all know is the best show in the 'verse
Check this out you newbie b*tches, Superman beats even the Death Star: