Red | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-10

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Red


00:02:13 1 Shades and variations
00:02:27 2 In science and nature
00:02:36 2.1 Seeing red
00:04:24 2.2 In color theory and on a computer screen
00:05:58 2.3 Color of sunset
00:06:53 2.4 Lasers
00:08:25 2.5 Astronomy
00:10:21 2.6 Fire
00:10:48 2.7 Pigments and dyes
00:10:57 2.8 Red lac, red lake and crimson lake
00:12:22 2.9 Food coloring
00:13:55 2.10 Autumn leaves
00:16:06 2.11 Blood and other reds in nature
00:17:39 2.12 Hair color
00:18:45 2.13 In animal and human behavior
00:20:25 3 History and art
00:20:35 3.1 Prehistory
00:23:20 3.2 Ancient history
00:28:04 3.3 Postclassical history
00:28:13 3.3.1 In Europe
00:30:52 3.3.2 In Asia
00:34:08 3.4 Modern history
00:34:17 3.4.1 In the 16th and 17th centuries
00:38:26 3.4.2 In the 18th and 19th centuries
00:42:25 3.4.3 In the 20th and 21st centuries
00:45:22 4 Symbolism
00:45:32 4.1 Courage and sacrifice
00:47:18 4.2 Courtly love, the red rose, and Saint Valentine's Day
00:49:14 4.3 Happiness, celebration and ceremony
00:50:14 4.4 Hatred, anger, aggression, passion, heat and war
00:50:52 4.5 Warning and danger
00:53:14 4.6 The color that attracts attention
00:54:26 4.7 Seduction, sexuality and sin
00:57:22 5 In different cultures and traditions
01:02:03 5.1 Wedding dresses
01:02:53 6 In religion
01:05:11 7 Military uses
01:05:35 7.1 The red uniform
01:07:40 8 In sports
01:11:17 9 On flags
01:15:40 10 Red flag and revolution
01:20:04 11 Use by political movements
01:23:59 12 Social and special interest groups
01:24:51 13 Idioms
01:26:54 14 Superstition
01:27:38 15 See also



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SUMMARY
=======
Red is the color at the end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately  625–740 nanometres. It is a primary color in the RGB color model and the CMYK color model, and is the complementary color of cyan. Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson, and vary in shade from the pale red pink to the dark red burgundy.   The red sky at sunset results from Rayleigh scattering, while the red color of the Grand Canyon and other geological features is caused by hematite or red ochre, both forms of iron oxide. Iron oxide also gives the red color to the planet Mars. The red colour of blood comes from protein hemoglobin, while ripe strawberries, red apples and reddish autumn leaves are colored by anthocyanins.Red pigment made from ochre was one of the first colors used in prehistoric art. The Ancient Egyptians and Mayans colored their faces red in ceremonies; Roman generals had their bodies colored red to celebrate victories.  It was also an important color in China, where it was used to colour early pottery and later the gates and walls of palaces. In the Renaissance, the brilliant red costumes for the nobility and wealthy were dyed with kermes and cochineal. The 19th century brought the introduction of the first synthetic red dyes, which replaced the traditional dyes. Red also became the color of revolution; Soviet Russia adopted a red flag following the Bolshevik Revolution in 1917, later followed by China, Vietnam, and other communist countries.
Since red is the color of blood, it has historically been associated with sacrifice, danger and courage. Modern surveys in Europe and the United States show red is also the color most commonly associated with heat, activity, passion, sexuality, anger, love and joy. In China, India and many other Asian countries it is the color of symbolizing happiness and good fortune.