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The TURBULENT ORB is a
half-meter diameter sphere full of special, colored, flow-visualization
fluid. The sphere is mounted on top of a pedestal, it spins on a
good bearing. Visitors grasp a metal ring on the pedestal and spin
the sphere choosing the direction and speed of rotation. The fluid
in the sphere shows swirls and waves of internal fluid motions produced
by the actions of the visitors. The turbulence of the fluid in the
sphere is reminiscent of the turbulent flows that occur in planetary
atmospheres. This exhibit shows the complexities of fluid motion
that can be produced by very simple circumstances.
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