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  • 81Electricity — (from the Greek word ήλεκτρον, (elektron), meaning amber, and finally from New Latin ēlectricus , amber like ) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many… …

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  • 82Indian Head test card — The Indian Head Test Card was a black and white television test pattern which was introduced in 1939 by RCA of Harrison, New Jersey as a part of the RCA TK 1 Monoscope. 20th century television later became so important socially that this purely… …

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  • 83Dornier Do 17 — Do 17 A formation of Dornier Do 17Zs, circa 194 …

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  • 841939 New York World's Fair — 1939 World s Fair redirects here. The term can also refer to the Golden Gate International Exposition, which was held in San Francisco/Oakland at the same time as the New York fair. Trylon, Perisphere and Helicline photo by Sam Gottscho The… …

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  • 85Gateshead — This article is about Gateshead, England. For the suburb of Newcastle in Australia, see Gateshead, New South Wales. For the larger local government district, see Metropolitan Borough of Gateshead. Coordinates: 54°57′N 1°36′W /  …

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  • 86Internal jugular vein — Infobox Vein Name = Internal jugular vein Latin = vena jugularis interna GraySubject = 168 GrayPage = 648 Caption = The fascia and middle thyroid veins. (Internal jugular visible at center left.) Caption2 = Veins of the tongue. The hypoglossal… …

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  • 87Cellular neural network — Cellular neural networks (CNN) are a parallel computing paradigm similar to neural networks, with the difference that communication is allowed between neighbouring units only. Typical applications include image processing, analyzing 3D surfaces,… …

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  • 88Engine — This article is about a machine to convert energy into useful mechanical motion. For other uses of engine, see Engine (disambiguation). For other uses of motor, see Motor (disambiguation). A V6 internal combustion engine from a Mercedes car An… …

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  • 89List of fictional characters within The Simpsons — Although The Simpsons is itself a show mainly consisting of fictional characters (see List of characters from The Simpsons ), excluding celebrities who make cameos as themselves, there are a number of characters within the show s universe who are …

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  • 90Aurea — The Aurea was an Italian automobile manufactured in Turin from 1921 to 1930. This small producer built sidevalve and overhead valve four cylinder cars with engines that started at 1460 cc in the S.V. version engine, but later were increased to… …

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