Peacock feathers actually brown in color, all other colors - it's an optical illusion Bashny.Net

The same effect as that of the soap puzyrey



The plumage of the peacock has long been synonymous with beauty and bright colors: blue imitation saturated, green and gold tones often used by designers, fabric designers and jewelers - surely you do not just have to see the dresses and earrings, painted like a peacock feathers.

However, in fact, a riot of colors is nothing but an illusion: with the coloring pigment melanin feathers of these birds are predominantly brown color and many shades of plumage are due to the phenomenon of interference of light.

Each peacock feather consists of a two-dimensional crystal structures composed of twigs melanin interconnected protein keratin. Number of sticks and the intervals between them vary, which leads to a distortion of reflected light waves falling feathers - so there are a variety of bright colors. A similar effect was also observed in iridescent soap bubbles.

via factroom.ru