Purdue engineering students also pop Guinness record
                                
                                
                                    (Newser) -
                                    Purdue University engineering students can't say they hate to pop our balloon. In fact their 14-person team spent about 5,000 hours building a Rube Goldberg machine designed to blow them up and pop them,  Wired  reports. It also makes toast, juices oranges, puts stamps on envelopes, and does...