Modding A Paper Shredder
detaks writes "The university of alberta's undergraduate computing science student group modded the office shredder, with duct tape, 110volt case fans, and a athlon fan, to increase the speed of the paper shredder from 12 to 37 pages shredded before overheating. You can also read it in the google cache"
http://ugweb.cs.ualberta.ca/~uacs/events/shredder. html