Five clear, rotating disks provide beautiful windows onto the motion of sediments in the Bay. Spin them to compare the behavior of gravel, sand, and fine silt—how the currents carry them and how they settle out of the swirling waters.
This exhibit is part of the collections:
Outdoor - North Gallery
Pier 15(Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
© 2014 Exploratorium
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