Joerg Sprave has somehow survived into adulthood despite a wide collection of really, really dangerous ideas. This wooden machine gun, for example, is powered by a chainsaw and shoots marbles. As you can see from this video, he is both still alive and in possession of both of his hands despite the odds. Media Platforms Design TeamIf you’re sitting at home and thinking to yourself, I’ve never thought of that and it is something I should definitely do, don’t. You should stop now and leave it to Sprave, who looks like he just walked out of Team Fortress 2, at least if you enjoy the degree of motor function you currently possess. Do keep it in mind as a potential makeshift zombie-fighting weapon for the apocalypse, though.View full post on YoutubeSource: GizmodoJohn WenzWriterJohn Wenz is a Popular Mechanics writer and space obsessive based in Philadelphia. He tweets @johnwenz.