PhillyDeals: Penn's Flying Robots Have Grasped the Imagination

The GRASP (General Robotics, Automation, Sensing, and Perception) lab, upstairs at the University of Pennsylvania's Engineering School, is in the million-hits club at YouTube this summer, as videos of its book-sized quadro-rotor flying robots have been promoted as gadgets that can, as Gizmodo.com cheerfully put it, "fly in your window and kill you as you sleep."