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White light is dispersed by a prism into the colors of the visible spectrum. 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 ...
The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...
Blue (Crayola) is the color called blue in Crayola crayons. "Blue" was one of the original Crayola crayons formulated in 1903. Crayola can only be displayed approximately on a computer screen. In the 21st century, this hue is classified as a variation of azure that is on the border of blue .
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 .
Blue hour. The blue hour (from French l'heure bleue; [1] [a] pronounced [lœʁ blø]) is the period of twilight (in the morning or evening, around the nautical stage) when the Sun is at a significant depth below the horizon. During this time, the remaining sunlight takes on a mostly blue shade. This shade differs from the colour of the sky on a ...
The light was observed using a camera imaging system called a CDose, which is specially designed to view light emissions from biological systems. [11] [12] For decades, patients had reported phenomena such as "flashes of bright or blue light" [13] when receiving radiation treatments for brain cancer, but the effects had never been ...
Blue Light (counter-terrorist subunit), a 1970s US counter-terrorist subunit of the 5th Special Forces Group. Blue lights, also known as blues and twos services, British emergency services. Blue lights, emergency telephone systems meant to deter crime, specially designed for use on campuses.
Light blue is a color or range of colors, typically a lightened shade with a hue between cyan and blue . The first use of "light blue" as a color term in English is in the year 1915. [2] In Russian and some other languages, there is no single word for blue, but rather different words for light blue ( голубой, goluboy) and dark blue ...
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