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The Fugates, commonly known as the " Blue Fugates " [ 1] or the " Blue People of Kentucky ", are an ancestral family living in the hills of Kentucky starting in the 19th century, where they are known for having a genetic trait that led to the blood disorder methemoglobinemia, causing the skin to appear blue.
Argyria or argyrosis is a condition caused by excessive exposure to chemical compounds of the element silver, or to silver dust. [ 1] The most dramatic symptom of argyria is that the skin turns blue or blue-gray. It may take the form of generalized argyria or local argyria. Generalized argyria affects large areas over much of the visible ...
Chromostereopsis. Blue–red contrast demonstrating depth perception effects. 3 Layers of depths "Rivers, Valleys & Mountains". Chromostereopsis is a visual illusion whereby the impression of depth is conveyed in two-dimensional color images, usually of red–blue or red–green colors, but can also be perceived with red–grey or blue–grey ...
No this was not a rare medical phenomena, but thousands of people painted blue for artist Spencer Tunick's latest project. Tunick creates human installations all over the world using the nude form.
Blue pigments are natural or synthetic materials, usually made from minerals and insoluble with water, used to make the blue colors in painting and other arts. The raw material of the earliest blue pigment was lapis lazuli from mines in Afghanistan, that was refined into the pigment ultramarine. Since the late 18th and 19th century, blue ...
Eye color. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [ 1][ 2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [ 3]: 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...
A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842. [ 1] The process allowed rapid and accurate production of an unlimited number of copies. It was widely used for over a century for the reproduction of specification drawings ...
The Blue Period ( Spanish: Período Azul) comprises the works produced by Spanish painter Pablo Picasso between 1901 and 1904. During this time, Picasso painted essentially monochromatic paintings in shades of blue and blue-green, only occasionally warmed by other colors. These sombre works, inspired by Spain and painted in Barcelona and Paris ...