We're at a hardware disadvantage, but with some practice human beings can also detect light polarization with the naked eye. https://en.wikipedia.org/wiki/Haid

We're at a hardware disadvantage, but with some practice human beings can also detect light polarization with the naked eye. https://en.wikipedia.org/wiki/Haidinger%27s_brush https://en.wikipedia.org/wiki/Haidinger%27s_brush