Heartbeat: Colorfully Quilled Peacock In Saint-Tropez
The peacock’s iridescent colors are not actually pigment colors at all, but are reflections off the structure of the feathers, which have patterned nano-fiber components. Slight changes in the spacing of the nano-fibers produce different colors much in the same way as iridescent colors reflect off a film off brown/black oil or a butterfly’s wing. But they are none less beautiful for that.