Something I also learned not long ago: human eyes can see the polarization of visible light https://en.wikipedia.org/wiki/Haidinger%27s_brush https://en.wikiped

Something I also learned not long ago: human eyes can see the polarization of visible light https://en.wikipedia.org/wiki/Haidinger%27s_brush https://en.wikipedia.org/wiki/Haidinger%27s_brush