Chicago Inno (Aug. 20) -- We've all seen the apocalypse movies: when an asteroid is about to hit, someone will come by with a laser at the last minute to explode the giant hunk of space rock about to destroy us all. Right? Well, not exactly, says Illinois aerospace professor Bruce Conway, who has been studying how to divert an asteroid that is heading toward our planet (something that will "100 percent" happen at "some time" he says).