About: Ordinary guy with no special skills, just trying to change the world one backyard invention at a time. See more at: http://300mpg.org/ On Twitter - @300MPGBen and at Ecoprojecteer.net More About bennelson » Do you have lots of spare computer parts? Do you like to be prepared for emergencies? Are you ready for the zombie apocalypse? Do you get what I mean when I say the word "Junk-Punk"? If