Date- 7th May 12 Source- http://www.nasa.gov/centers/goddard/home/index.html 'International Space Station Expedition 30 astronaut Don Pettit demonstrates water oscillations on a speaker in microgravity, and ZZ Top rocks the boat 250 miles above Earth 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
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