Tuesday, January 12, 2010

Centrifugal Force


Water streaming into a shallow dish creates a large whirlpool. As the water drains, intricate surface waves spiral in and out of the center and the entire vortex begins to slowly oscillate, revolving around the drain. The oscillations grow with each revolution until the vortex is so unstable that it breaks away from the drain and a new vortex immediately forms.
www.exploratorium.edu/.../exhibit/whirlpool.html

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