There are some very interesting robotics related videos from the TED site. Might be good to show some of them to students.
http://www.ted.com/talks/rodney_brooks_on_robots.html – Rodney Brooks says robots will invade our lives
http://www.ted.com/talks/charles_elachi_on_the_mars_rovers.html – Charles Elachi shares stories from NASA’s legendary Jet Propulsion Lab — including tales and video from the Mars Rover project.
http://www.ted.com/talks/pattie_maes_demos_the_sixth_sense.html – This demo — from Pattie Maes’ lab at MIT, spearheaded by Pranav Mistry — was the buzz of TED. It’s a wearable device with a projector that paves the way for profound interaction with our environment.