[Decolliber]

All of these tactics would seem to require you to be in a nearly constant state of alert and ready for combat. Wouldn't some form of passive defense be a little less nerve racking? Blowing heads off zombies would get a bit tedious after a while. How about the electrified fence they used to keep the dinosaurs penned up in Jurassic Park? Then you could just sit back, relax and watch all your Tivoed episodes of CSI. Or just go into a missile silo in North Dakota. Or fly to an island ...