Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Mar 28, 2012
International Space Station Expedition 30 astronaut Don Pettit demonstrates physics in space for 'Science off the Sphere.' Through a partnership between NASA and the American Physical Society you can participate in Pettit's physics challenge and view future experiments here: http://www.physicscentral.com/sots