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DI Ray is a 2022 British police procedural television series, known in Canada as D. I. Ray. The series was created and written by Maya Sondhi and produced by Jed Mercurio . DI Ray stars Parminder Nagra in the title role as a detective inspector in a fictitious Birmingham -based police force.
This would keep away the suns rays from the sunglasses and the wearers eyes. Most glasses also had some sort of dark tint, providing extra shade and protection from the sun. [3] In WW2, Ray-Ban had used the anti-glare technology created by Edwin H. Land. [4] Ray-Bans were a much better substitute than goggles for the fighter pilots in WW2. The ...
Ibn al-Haytham (Alhacen) wrote about the effects of pinhole, concave lenses, and magnifying glasses in his 11th century Book of Optics (1021 CE). [ 45 ] [ 47 ] [ 48 ] The English friar Roger Bacon , during the 1260s or 1270s, wrote works on optics, partly based on the works of Arab writers, that described the function of corrective lenses for ...
Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays.The ray in geometrical optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances.
Raymond Pickrell (16 March 1938 – 20 February 2006) was an English short-circuit motorcycle road racer who won four Isle of Man TT motorcycle races. [1] Pickrell was born in Harrow Weald, Middlesex. [2] During his early career, Pickrell rode for tuners/race entrants Francis Beart, Geoff Monty and Paul Dunstall. [3] [4]
The power of any lens system can be expressed in diopters, the reciprocal of its focal length in meters. Corrective lenses for myopia have negative powers because a divergent lens is required to move the far point of focus out to the distance. More severe myopia needs lens powers further from zero (more negative).
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