Science Fact of the Day September 6, 2009
Posted by spatialrift47 in SFoTD.trackback
That one really bright spot of reflected sun you see on the car windshield is where the sunlight is reflecting at a special angle called the Brewster angle. Like a punky little kid, that angle is polarizing – it forces all the light rays to oscillate in the same direction. This means they all add up together and the increased intensity has you reaching for your sunglasses.
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