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You've seen them, but do you know how they're made?  Here's a clue: Iguazu Falls displays some amazing rainbows right within its "bowl."   What are the conditions at the falls that may make it likely to have rainbows?

Why not go on an exploration to find what's really at the end of the rainbow? 

Start by asking the Professor.

In his web book The Joy of Visual Perception Peter K. Kaiser explains how rainbows form.
rainlink.gif (2937 bytes) Then you can visit the Yahooligan Directory to discover more rainbow links.
Back to Iguazu page

Greatest Places Online 1999 Science Museum of Minnesota