The popular board game Mousetrap is an example of a "Rube Goldberg"-inspired machine, a contraption that contains elaborate mechanisms with a vast array of moving parts to perform a simple function. Mo Rocca visits the Rube Goldberg Machine Contest, where less is never more.
Visionary inventor Dean Kamen has barely taken a day off since inventing the Segway, working on a number of out-of-the-box inventions that may affect the lives of billions of people around the world. Erin Moriarty of "48 Hours" catches up with Kamen to get a glimpse of his latest, and perhaps greatest, breakthrough.
