(YouTube Link)
Nick Homer and Stewart Clyde, students at Brigham Young University, built a motorized couch and started driving it around campus:
Two twelve volt car batteries power the broken wheel chair moving the couch. It's a pretty stable ride and the BYU students who made it have been riding in comfort through Provo. But, they aren't getting a warm welcome from BYU campus police. Motorized vehicles are banned on campus.
Link via Bits & Pieces