Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Jul 12, 2011
Watch the final event in its entirety, with an introduction by Eric Schmidt, hosted by Mariette DiChristina of Scientific American, with appearances and talks from Vint Cerf, Dean Kamen and Tierney Thys. http://www.google.com/sciencefair