Ripple
A "ripple tank" at Chicago's Museum of Science and Industry demonstrates how waves interact with each other, casting light onto the floor below.
A model of naval vessels on display at Chicago's Museum of Science and Industry.
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Ripple


A "ripple tank" at Chicago's Museum of Science and Industry demonstrates how waves interact with each other, casting light onto the floor below.
Ripple
A "ripple tank" at Chicago's Museum of Science and Industry demonstrates how waves interact with each other, casting light onto the floor below.

Ripple


A "ripple tank" at Chicago's Museum of Science and Industry demonstrates how waves interact with each other, casting light onto the floor below.
See photo in original gallery.