Blue Devils

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Blue

Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres. Blues with a higher frequency and thus a shorter wavelength gradually look more violet, while those with a lower frequency and a longer wavelength gradually appear more green. Pure blue, in the middle, has a wavelength of 470 nanometres. In painting and traditional colour theory, blue is one of the three primary colours of pigments, along with red and yellow, which can be mixed to form a wide gamut of colours. Red and blue mixed together form violet, blue and yellow together form green. Blue is also a primary colour in the RGB colour model, used to create all the colours on the screen of a television or computer monitor.

The modern English word blue comes from Middle English bleu or blewe, from the Old French bleu, a word of Germanic origin, related to the Old High German word blao. The clear sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. When sunlight passes through the atmosphere, the blue wavelengths are scattered more widely by the oxygen and nitrogen molecules, and more blue comes to our eyes. Rayleigh scattering also explains blue eyes; there is no blue pigment in blue eyes. Distant objects appear more blue because of another optical effect called atmospheric perspective.

Devil (disambiguation)

The Devil is a figure in some religions, particularly Abrahamic ones.

Devil may also refer to:

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The Blue

The Blue is a central market place in Bermondsey an area in London. The market is open Monday to Saturday from 9am until 5pm and has about 10 stall holders, selling food and clothes. The area has been known as The Blue for more than two hundred and thirty years and is probably named after the original Blue Anchor public house that gave its name to Blue Anchor Lane. The market has capacity for 24 stalls.

Immediately north of Blue Anchor Lane on an arched viaduct are the multiple railway tracks of the Brighton and South East Main Lines. The Blue Anchor Lane joins St. James's Road where the viaduct arches to the immediate north west contain the remnants of the disused Spa Road railway station which was the original terminus of London's first railway.

In 2005 a Metropolitan Police report described the area as a crime hotspot for "race crime and youth disorder". In 2009 during the funeral procession of Jade Goody a white dove was released at The Blue, where her family once had a stall.