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A Double Double Rainbow

July 7th, 2010 by Van | Comments Off on A Double Double Rainbow

A Double Double Rainbow

I’m sure most people have seen a double rainbow – in good conditions you can see both the primary rainbow (caused by diffraction of light exiting a raindrop after a single internal reflection) and a “secondary” rainbow, caused by diffraction of the light after two internal reflections. But have you seen a “double double rainbow”?


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