Water Spinner is a clear, rectangular tank filled with colored water on a spinning pedestal. When the tank is spinning, the surface of the spinning water forms a curved shape called a parabola. Water Spinner shows the formation of parabolic shapes in nature and helps demonstrate centrifugal force.
- International Liquid Mirror Telescope
Scientists utilize the phenomenon demonstrated in this exhibit to construct a parabolic telescope mirror by spinning liquid mercury.
- Wolfram Mathworld: Parabola
Very detailed information about the mathematics of parabolas, from the webs largest math encyclopedia
- Water Spinner
Instructions for building your own small version of this exhibit
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