Scientists have created a "very white" material
What color can be considered a perfect white? Starched shirt? Medical gown? Or maybe a piece of paper from a nearby printer? All this is undoubtedly true, but a group of scientists from Cambridge University have managed to create a substance 20 times whiter than any known.
Surprisingly, the resulting product is not a child of the chemical industry. Or rather, it is not until the end. To create an "absolute white" scientists copied the structure and properties of scales south-East Asian beetle Cyphochilus. The color of this insect is not due to pigments, and the size and properties of the thinnest chitin scales that form its shell. The fact that the white color is formed by mixing all the other colors of the spectrum. The highest whiteness obtained if all colors are recognized with the same force. Experts studying beetles Cyphochilus, found that the coating of the shell is very thin, and the white color is formed due to the complex spatial structure layer. Chitin yarns are woven into a thin net, a diameter of a few thousandths of a millimeter. That is, the color bugs are not due to the mixing of colors of the visible spectrum, but because of the "braided" chitin network. Because of this light it is reflected very effectively and is almost "perfect white". Most real nature of nanotechnology! To repeat structure technology experts copied flakes beetles using cellulose thin filaments which are woven into the structure "peeped" beetles. Future development may be used to generate extremely bright colors and a new generation of coatings which may be used in cosmetic, food and pharmaceutical industries.
It is also worth to remember "the black material" Vantablack. He is so black that covered them different objects as two-dimensional. Regardless of the spatial form.