three-beam color picture tube

  • 41New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …

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  • 42List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… …

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  • 43Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …

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  • 44Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …

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  • 45Video projector — Projected image from a video projector in a home cinema. A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright… …

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  • 46Weather radar — in Norman, Oklahoma with rainshaft …

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  • 47Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA …

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  • 48List of challenges in Takeshi's Castle — A wide range of challenges were used throughout the history of the Japanese game show Takeshi s Castle, some occurring only once or twice, or others in virtually every show, depending upon their popularity and ease of preparation. Many challenges …

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  • 49405-line television system — The 405 line monochrome analogue television broadcasting system was the first fully electronic television system to be used in regular broadcasting. It was introduced with the BBC Television Service in 1936, suspended for the duration of World… …

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  • 50Jeopardy! set evolution — The set of the American television game show Jeopardy! has evolved through a number of iterations during its (non continuous) decades long broadcast history. As the show has matured into a fixture of American popular culture and as display… …

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