Haidinger's brush

It is commonly appreciated that light in the sky is partially polarized and that some insects (e g., honey bees) use the polarization for cues in navigation. It is less well appreciated that our eyes can also detect polarized light and that we can distinguish the azimuth of linearly polarized light under rather common circumstances. The accompanying visual effect is called Haidinger's brush.

Access to the full text of this article is restricted. In order to view this article please log in.

Add a Comment