if you thought tiny unmanned vehicles buzzing through the sky were only for sci-fi movies, think again. we have technovations that may leave your head spinning. they navigate through windows, fly in formation, and take off and land with ease, and these tiny unmanned aerial vehicles called quad rotors are doing it on their own. this is a robot that is completely autonomous. there s no remote control in the back grnld. most of the test flights are done here at the university of pennsylvania s lab, decked out with a state of the art motion capture system. and students give the quad rotor simple commands via computer, but the vehicles decide how they ll go from point a to point b on their own. we have the bike-on system or the red lights, which allow us to figure out where the robot is. then we re able to send it commands about what we would