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Water drops orbiting around knitting needles in space [Video]
posted March 28 2012 4:58.15 by Giorgos Lazaridis

Interesting video from the International Space Station. Astronaut Don Pettit uses knitting needles and water droplets to demonstrate physics in space for 'Science off the Sphere.' The needles are made of different material, and as he rubs them with a piece of cloth, the develop electrostatic charge. Then he throws some water droplets with some velocity, and what he observes is that the droplets orbit around the needles for some time, similarly to the planets that orbit around stars. The only difference is the force that keeps them together. Watch the experiment and hear him explaining;

[Link: ReelNASA]
Tags: physics   experiments   space related   science   research   

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