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The earliest examples of color codes in use are for long-distance communication by use of flags, as in semaphore communication. [1] The United Kingdom adopted a color code scheme for such communication wherein red signified danger and white signified safety, with other colors having similar assignments of meaning.
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The poverty rate rose from 12.5% in 2007 before the Great Recession to a 15.1% peak in 2010, before falling back to just above the 2007 level. In the 1959–1962 period, the poverty rate was over 20%, but declined to the all-time low of 11.1% in 1973 following the War on Poverty begun during the Lyndon Johnson presidency. [ 271 ]
This is a list of number-one albums in the United States by year from the main Billboard albums chart, currently called the Billboard 200. Billboard first began publishing an album chart on March 24, 1945. The chart expanded to 200 positions on the week ending May 13, 1967, and adopted its current name on March 14, 1992.
Printed in color from various plates, using etching, engraving, and aquatint. One of the leading achievements of the French 18th-century color-print. Most early methods of color printing involved several prints, one for each color, although there were various ways of printing two colors together if they were separate.
List of colors: A–F; List of colors: G–M; List of colors: N–Z; List of colors (alphabetical) List of colors by shade; List of color palettes; List of Crayola crayon colors; List of RAL colours; List of X11 color names
To remember the order of taxa in biology (Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species, [Variety]): "Dear King Philip Came Over For Good Soup" is often cited as a non-vulgar method for teaching students to memorize the taxonomic classification of system.
To reproduce color, the CMYK color model codes for absorbing light rather than emitting it (as is assumed by RGB). The "K" component absorbs all wavelengths and is therefore achromatic. The cyan, magenta, and yellow components are used for color reproduction and they may be viewed as the inverse of RGB.