bi-directional light
21Martin Schadt — (1938), PhD, is a Swiss physicist and inventor. Contents 1 Biography 2 Achievements 3 Awards 4 Publications and P …
22Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
23Shadow mapping — or projective shadowing is a process by which shadows are added to 3D computer graphics. This concept was introduced by Lance Williams in 1978, in a paper entitled Casting curved shadows on curved surfaces . Since then, it has been used both in… …
24Baileys Harbor Range Lights — Infobox Lighthouse caption = Skeleton tower, front range light, rear range light(way in back) location = Baileys Harbor, Wisconsin coordinates = coord|45|04|13|N|87|07|11|W|region:US type:landmarkFront range Light yearlit = 1869 automated = 1930… …
25One Canada Square — A view of One Canada Square, the second tallest building in the United Kingdom. Record height Tallest in the United …
26Grip (job) — In the U.S. and Canada, grips are lighting and rigging technicians in the filmmaking and video production industries. They constitute their own department on a film set and are directed by a key grip. Grips have two main functions. The first is… …
27The Maidens — East Maiden Light …
28Трёхмерная графика — Пример 3D графики Трёхмерная графика (3D (от англ. 3 Dimensions рус. 3 измерения) Graphics …
29Stroboflash — is the name of one of the earliest commercially successful portable dry cell battery powered electronic flashes produced. History of developmentIt was designed and initially manufactured in 1942 by Strobo Research, a company founded by Edward… …
30Commissioners of Irish Lights — Type Statutory Corporation Industry Maritime Safety Founded 1867 Headquarters …
