When light reflects from water, asphalt, or other non-metallic surfaces, it becomes polarized. In other words, the reflected light is usually vibrating more in one direction than in others. To see how polarizing sunglasses affect this glare, check out this fun activity from the Exploratorium.
%0 Electronic Source %A Exploratorium, %D August 21, 2006 %T Polarized Sunglasses %V 2014 %N 29 July 2014 %8 August 21, 2006 %9 text/html %U http://www.exploratorium.edu/snacks/polarized_sunglasses/
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