How to Survive a Robot Apocalypse: Just Close the Door

In the meantime, if one of them goes berserk, here's a useful tactic: Shut the door behind you. One after another, robots in a government-sponsored contest were stumped by an unlocked door that blocked their path at an outdoor obstacle course. One bipedal machine managed to wrap a claw around the door handle and open it but was flummoxed by a breeze that kept blowing the door shut before it could pass through. Robots excel at many tasks, as long as they don't involve too much hand-eye coordination or common sense. Like some gifted children, they can perform impressive feats of mental arithmetic but are profoundly klutzy on the playground.