In the latest "Science off the Sphere" video from the International Space Station, NASA astronaut Don Petit pops a bunch of water balloons to demonstrate microgravity and surface tension that allows a popped water balloon to reform as a water sphere.
The videos are created through a partnership with NASA and the American Physical Society - more videos and "challenges" are available at this site: www.physicscentral.com/sots
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.
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