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Learn about the evolution and symbolism of the Superman logo, the iconic emblem for the DC Comics superhero. The logo has changed over time, from a simple letter S to a red shield with a yellow border, and has different interpretations in different stories and media.
A historical psychological novel by Stendhal about Julien Sorel, a provincial young man who tries to rise socially in 19th-century France. The novel satirizes the hypocrisy and materialism of the aristocracy and the church, and foreshadows the July Revolution of 1830.
Learn about the additive color model that uses red, green and blue primary colors of light to reproduce a broad array of colors. Find out how the RGB color model works, how it differs from subtractive color, and how it is used in electronic systems and devices.
A comprehensive list of flags sorted by their dominant colors, including states, territories, former, and other geographic entities. Find flags with red and blue, gold and white, gold and black, and more color combinations.
SMPTE color bars are a TV test pattern used to adjust NTSC video signals. The PLUGE pulse is a small vertical bar below the red bar that helps set the luminance range and avoid clipping or crushing the blacks.
Learn about the history, design and meaning of the Albanian flag, which features a black double-headed eagle on a red background. The flag has undergone several changes since its adoption in 1912 and is also used as the civil and naval ensigns.
Learn the advantages and disadvantages of digital and film photography in terms of image quality, noise, grain, dynamic range, and convenience. Find out how digital cameras have improved their dynamic range and how film stocks vary in their saturation and contrast.
Learn about the history and meaning of the black flag, one of the first anarchist symbols, and other anarchist symbols such as the circle-A, the red-and-black flag, and the black cat. The web page also explains the origins and usage of the red flag, which was widely used by anarchists in the 19th century but later became associated with communism.
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