Background[ edit ] Stephen Crane in ; print of a portrait by artist and friend Corwin K. Linson Stephen Crane published his first novel, Maggie:
Shades and variations Pure, or solid red, the color of most ripe raspberries. Scarlet is one quarter of the way between the colors red and orange. It is the colour worn by a cardinal of the Catholic Church.
The cardinal takes its name from the colour worn by Catholic cardinals. Pink is a pale shade of red. Vermilion is similar to scarlet, but slightly more orange. This is sindoora red cosmetic powder used in India; Some Hindu women put a stripe of sindoor in their hair to show they are married.
Maple tree with red leaves in the morning mist Estonia Crimson is a strong, deep red containing a little blue. The emblem of Harvard University. Maroon is a dark brownish red. Its name comes from marron, the French word for chestnut.
Burgundyclaretor Wine redis a very dark red containing a little blue. In France this colour is known as Bordeaux. Lists of shades of red and shades of pink are found at the end of this article. In science and nature Seeing red Bulls, like dogs and many other animals, have dichromacywhich means they cannot distinguish the color red.
The human eye sees red when it looks at light with a wavelength between approximately and nanometers. Bulls, for instance, cannot see the red color of the cape of a bullfighter, but they are agitated by its movement.
One theory for why primates developed sensitivity to red is that it allowed ripe fruit to be distinguished from unripe fruit and inedible vegetation.
In color theory and on a computer screen On the color wheel long used by painters, and in traditional color theory, red is one of the three primary colorsalong with blue and yellow. Painters in the Renaissance mixed red and blue to make violet: Cennino Cenniniin his 15th-century manual on painting, wrote, "If you want to make a lovely violet colour, take fine lac [red lake], ultramarine blue the same amount of the one as of the other with a binder" he noted that it could also be made by mixing blue indigo and red hematite.
Red, green and blue light combined together makes white light, and these three colors, combined in different mixtures, can produce nearly any other color. This is the principle that is used to make all of the colors on your computer screen and your television. For example, magenta on a computer screen is made by a similar formula to that used by Cennino Cennini in the Renaissance to make violet, but using additive colors and light instead of pigment: Violet is made on a computer screen in a similar way, but with a greater amount of blue light and less red light.
The intensity of each component is measured on a scale of zero towhich means the complete list includes 16, distinct colors and shades.
The sRGB number of pure red, for example, is00, 00, which means the red component is at its maximum intensity, and there is no green or blue. The sRGB number for crimson is20, 60, which means that the red is slightly less intense and therefore darker, there is some green, which leans it toward orange; and there is a larger amount of blue, which makes it slightly blue-violet.
Red and yellow make orange, red and blue make violet. In modern color theory, red, green and blue are the additive primary colors, and together they make white.
A combination of red, green and blue light in varying proportions makes all the colors on your computer screen and television screen.
Tiny Red, green and blue sub-pixels enlarged on left side of image create the colors you see on your computer screen and TV.
Why the sunset is red Sunsets and sunrises are often red because of an optical effect called Rayleigh scattering. As a ray of white sunlight travels through the atmosphere to the eye, some of the colors are scattered out of the beam by air molecules and airborne particles due to Rayleigh scatteringchanging the final color of the beam that is seen.
Colors with a shorter wavelength, such as blue and green, scatter more strongly, and are removed from the light that finally reaches the eye. The remaining reddened sunlight can also be scattered by cloud droplets and other relatively large particles, which give the sky above the horizon its red glow.
In the red helium—neon laser was invented,  and these two types of lasers were widely used in many scientific applications including holographyand in education. Red helium—neon lasers were used commercially in LaserDisc players. Today, red and red-orange laser diodes are widely available to the public in the form of extremely inexpensive laser pointers.
Portable, high-powered versions are also available for various applications.Le phénomène le plus caractéristique des TIC est le brouillage des frontières entre télécommunications, informatique et audiovisuel/ multimédias.
This is a continuation of the topic Chatterbox Reads and Reads and Reads in Part the First.. This topic was continued by Chatterbox Reads and Reads and Reads in Part the Third. The three most famous novels about the futility of conflict are The Red Badge of Courage, by Stephen Crane, All Quiet on the Western Front, by Erich Maria Remarque, and August , by .
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