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Haidinger's Brush
Tired of cephlapods laughing at your lack of polarized vision? Envious of bees ability to accurately locate the sun angle just from the polarized light from a patch of clear sky on a cloudy day? No longer! With the (not so recent) discovery of Haidinger's brush you too can be the the center of attention at parties as you impress your friends with the ability to see the direction of polarization without filters!