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Initially these were recorded using coloured pencils and were given the names red, light blue etc., and later the names of birds such as kestrel. [26] During World War II the settings for most networks lasted for 24 hours, although towards the end of the war, some were changed more frequently. [27]
The color light blue is commonly regarded as calming and relaxing. Because of this, it is sometimes used to paint hospital rooms. Since the color light blue reminds many people of water, light blue is a popular color for painting bathrooms or for porcelain bathroom fixtures. School colors
One part was to send them modified Enigma machines to secure Japan's high-level communications with Germany. The new code, codenamed PURPLE (from the color obtained by mixing red and blue), was baffling. PURPLE, like Enigma, began its communications with the same line of code but then became an unfathomable jumble.
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 January 2025. Variety of the color blue For other uses, see Shades of Blue (disambiguation). "Shade of Blue" redirects here. For the song by Black Rebel Motorcycle Club, see Shade of Blue (song). For the R&B/funk band, see Shade of Blue (band). Blue Wavelength 440–490 nm Common connotations ...
The word is derived from the Latin word caeruleus (Latin: [kae̯ˈru.le.us]), "dark blue, blue, or blue-green", which in turn probably derives from caerulum, diminutive of caelum, "heaven, sky". [2] "Cerulean blue" is the name of a blue-green pigment consisting of cobalt stannate (Co 2 SnO 4). The pigment was first synthesized in the late ...
Enigma may refer to: Riddle, someone or something that is mysterious or puzzling; Biology. ENIGMA, a class of gene in the LIM domain; Computing and technology
Use bright mid-range colours, like children's crayons. Do not use light or dark variants of the colours. If you need more colours... hard luck. Instead use non-colour techniques such as labelling, font styles (bold or italic), line styles (dots and dashes) or cross-hatching (stripes, checkers or polka-dots).
Shiva, the destroyer deity, is also depicted in a light-blue hue, and is called Nīlakaṇṭha, or blue-throated, for having swallowed poison to save the universe during the Samudra Manthana, the churning of the ocean of milk. Blue is used to symbolically represent the fifth, and the throat, chakra . [96]