What special state of matter was found in the chicken eye? Detailed answer

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What special state of matter was found in the chicken eye? Detailed answer

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What special state of matter was found in the chicken eye?

There is a special state of matter called "disordered superhomogeneity", in which the substance has the properties of a crystal and a liquid at the same time. It was first discovered by physicists in liquid helium and simple plasmas, but has recently been encountered by biologists while studying the chicken eye. Like other diurnal birds, chickens have five types of photoreceptors: red, blue, green, violet, and responsible for the perception of light. All of them are located on the retina in one layer at first glance randomly, however, a detailed study of the patterns revealed that around each cone there is a so-called forbidden zone, in which the appearance of other cones of the same type is excluded. As a result, the system cannot take a single ordered form, but tends to be as homogeneous as possible.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

Who is a narwhal?

Narwhal is one of the most interesting members of the cetacean family. Many of us believe that there is only one type of whale, but in fact there are several varieties of them. The most interesting of them are the so-called toothed whales. Toothed whales prey on fish and cephalopods and feed mainly on them.

Sperm whales are the largest of the toothed whales. They reach twenty meters in length, and their distinctive feature is a massive head.

Another representative of this suborder is the bottlenose, so named because of the strange bone growths on the sides of the head. Narwhal is also a toothed whale. It lives mostly in arctic waters and has something that no other whale has: the male narwhal has a long bone tusk growing on the left side of its mouth that sticks out like a sword!

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