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[[[[ * Circles of Light, the Mathematics of Rainbows * ]]]]
"How are rainbows formed? Why do they only occur when the
sun is behind the observer? If the sun is low on the horizon,
at what angle in the sky should we expect to see a rainbow?"
The Curriculum Initiative Project (University of Minnesota)
offers an online lab where students can find answers to these
and other questions by examining a mathematical model of light
passing through a water droplet.
Rainbow Lab:
Along with a mathematical exploration of rainbows, you might
want to consider their poetic and aesthetic aspects. Randy
Wang's beautiful photographs are annotated with verse that
describes what seems to be an almost inborn fascination with
rainbows.
Randy Wang's Rainbow photos:
Note that there are more rainbow-related links on the Network
Nuggets Science Archive page.
Network Nuggets - Science:
" My heart leaps up when I behold
A rainbow in the sky. "
-Wordsworth
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