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Zazzle. Zazzle is an American online marketplace that allows designers and customers to create their own products with independent manufacturers (clothing, posters, etc.), as well as use images from participating companies. Zazzle has partnered with many brands to amass a collection of digital images from companies like Disney, Warner Brothers ...
In the 18th century, purple was a color worn by royalty, aristocrats and other wealthy people. Good-quality purple fabric was too expensive for ordinary people. The first cobalt violet, the intensely red-violet cobalt arsenate, was highly toxic. Although it persisted in some paint lines into the 20th century, it was displaced by less toxic ...
The conventional gradient colors of the rainbow symbol. ROYGBIV is an acronym for the sequence of hues commonly described as making up a rainbow: red, orange, yellow, green, blue, indigo, and violet. There are several mnemonics that can be used for remembering this color sequence, such as the name "Roy G. Biv" or sentences such as " Richard of ...
The Color Purple,/i>’s Red Carpet Premiere FREDERIC J. BROWN ... Oprah, the cast, and more joined together for an official red—well, purple—carpet event in Los Angeles on December 6.
Tritium radioluminescence. Radioluminescent 1.8- curie (67 GBq) 6-by-0.2-inch (152.4 mm × 5.1 mm) tritium vials are tritium gas-filled, thin glass vials with inner surfaces coated with a phosphor. Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light.
The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ...
In low light, bright reds appear darker, faded and sometimes almost black, while blues and greens tend to become more vibrant — and a total solar eclipse provides an ideal opportunity to observe ...
Red-Purple Color coordinates; Hex triplet: #E40078: sRGB B (r, g, b) (228, 0, 120) HSV (h, s, v) (328°, 100%, 89%) CIELCh uv (L, C, h) (49, 125, 353°) Source: Gallego and Sanz: ISCC–NBS descriptor: Vivid purplish red: B: Normalized to [0–255] (byte)
Red-violet refers to a rich color of high medium saturation about 3/4 of the way between red and magenta, closer to magenta than to red. In American English, this color term is sometimes used in color theory as one of the purple colors—a non- spectral color between red and violet that is a deep version of a color on the line of purples on the ...
Red supergiants ( RSGs) are stars with a supergiant luminosity class ( Yerkes class I) and a stellar classification K or M. [1] They are the largest stars in the universe in terms of volume, although they are not the most massive or luminous. Betelgeuse and Antares A are the brightest and best known red supergiants (RSGs), indeed the only first ...
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