cousin girls » Perception http://cousingirls.com are we there yet? Sat, 29 May 2010 14:35:37 +0000 http://wordpress.org/?v=2.9.1 en hourly 1 Haidinger’s Brush http://cousingirls.com/haidingers-brush http://cousingirls.com/haidingers-brush#comments Mon, 09 Mar 2009 21:13:13 +0000 morton http://cousingirls.com/?p=71 I can see Haidinger’s brush. A few minutes ago I did not even know that I could, nor that something like this existed, but now I can clearly see it! Or rather, I always wondered why my LCD screen never seemed to be as white as it seemed to be …

Can you see Haidinger’s brush?
http://en.wikipedia.org/wiki/Haidinger’s_brush

Reminds me of birds using skylight polarisation for navigation: Skylight Polarization Patterns and the Orientation of migratory Birds

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