Archived posting to the Leica Users Group, 2006/12/17

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Subject: [Leica] Regarding rainbows...
From: reid at mejac.palo-alto.ca.us (Brian Reid)
Date: Sun Dec 17 13:32:00 2006
References: <4cfa589b0612171105l17231fb9x202fa86bd222a601@mail.gmail.com>
 
> Can anyone explain WHY rainbows are polarized?

Because they are made of light that is reflected (from the inside of water 
droplets). It's also refracted (which is what makes the colors) but if there 
were no reflection there'd be no light to refract.
In reply to: Message from abridge at gmail.com (Adam Bridge) ([Leica] Regarding rainbows...)