NASA Administrator and former Astronaut Charles Bolden demonstrates centrifugal force during a visit with fifth graders at the Langdon Education Campus, Tuesday, May 11, 2010 in Washington. Bolden's visit was in support of National Lab Day which aims to bring hands-on learning to students across the country.
Image Credit: NASA/Bill Ingalls
For more information visit http://www.nasa.gov/about/highlights/centrifugal-force.html
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