Science off the Sphere: Thin Films

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Stuck here on Earth, it’s hard to know sometimes how greatly gravity affects the behavior of fluids. Fortunately, astronaut Don Pettit enjoys spending his free time on the International Space Station playing with physics. In his latest video, he shows some awesome examples of what is possible with a thin film of water–not a soap film like we make here on Earth–in microgravity.  He demonstrates vibrational modes, droplet collision and coalescence, and some fascinating examples of Marangoni convection.

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