Jugando al yo-yo en el espacio http://t.co/qhoJgdVy | + videos interesantes en http://t.co/MiX3sQgA @PhysicsCentral
August 12, 2012
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Science off the Sphere: Yo-Yos in Space
Answer the Challenge Question at http://www.physicscentral.com/sots for cool prizes! NASA Astronaut Don Pettit uses his off-duty time to practice his microgravity yo-yo skills.