three-gun color picture tube
21Convergence — WikiV The crossover of the three electron beams of a three gun tri color picture tube. This normally occurs at the plane of the aperture mask …
22Trinitron — A 1985 27 Trinitron Trinitron is Sony s brand name for its line of aperture grille based CRTs used in television sets and computer display monitors. One of the first truly new television systems to enter the market since the 1950s, the Trinitron… …
23Visual display unit — A visual display unit, often called simply a monitor or display, is a piece of electrical equipment which displays images generated from the video output of devices such as computers, without producing a permanent record. A newer monitor… …
24Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
25Lightsaber — Plot element from the Star Wars franchise First appearance Star Wars Episode IV: A New Hope (1977) …
26Oscilloscope types — This is a subdivision of the Oscilloscope article, discussing the various types and models of oscilloscopes in greater detail. Contents 1 Cathode ray oscilloscope (CRO) 1.1 Dual beam oscilloscope 2 Analog storage oscilloscope …
27History of video games — Part of a series on …
28History of film — This article is about the history of cinema. For other uses, see History of photography. Years in film 1870s 1880s 1890s …
29List of Emily Dickinson poems — This is a list of Emily Dickinson poems. There are 1,775 known poems that have been written by Dickinson. The poems are alphabetized by their first line. Punctuation, capitalization and even in some cases wording of the first lines may vary… …
30List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
