User blog comment:101stranger/Ah, the wonderful world of UNSC infantry weapons/@comment-1760854-20100415135842

the entanglement isn't the purpose it's the fact that the two electrons will move in exact opposite directions or spins or anything. if you contain the electrons eject them in a any direction, retract them, then disentangle them, you could cause someone's brain stem to simply disappear, a perfect assasaination weapon.