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61Unmanned aerial vehicle — UAV redirects here. For the entertainment company, see UAV Corp.. For the veterans organization, see Ukrainian American Veterans. A group photo of aerial demonstrators at the 2005 Naval Unmanned Aerial Vehicle Air Demo. An unmanned aerial vehicle …
62Space Shuttle Columbia disaster — For further information about Columbia s mission and crew, see STS 107. STS 107 mission patch The Space Shuttle Columbia disaster occurred on February 1, 2003, when shortly before it was scheduled to conclude its 28th mission, STS 107, the Space… …
63Internet forum — The phpBB Internet Forum software package, one of the most popular forum packages …
64Formation (American football) — A formation in American football refers to the position players line up in before the start of a down. There are both offensive and defensive formations and there are many formations in both categories. Contents 1 Offense 1.1 Offensive positions… …
65Air traffic control radar beacon system — The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance radar monitoring and separation of air traffic. ATCRBS assists ATC radars by acquiring information about the aircraft being monitored,… …
66Censorship in the People's Republic of China — This article is about censorship in the People s Republic of China. For censorship in the Republic of China (Taiwan), see Censorship in the Republic of China. Part of a series on Censorship …
67Storm botnet — The typical lifecycle of spam that originates from a botnet: (1) Spammer s web site (2) Spammer (3) Spamware (4) Infected computers (5) Virus or trojan (6) Mail servers (7) Users (8) Web traffic The Storm… …
68Scientology — Infobox Organization size = 120px caption = The Scientology Symbol is composed of the letter S that stands for Scientology and the ARC and KRC triangles, two important concepts in Scientology name = Scientology formation = 1953 type = Religious / …
69Denmark — /den mahrk/, n. a kingdom in N Europe, on the Jutland peninsula and adjacent islands. 5,268,775; 16,576 sq. mi. (42,930 sq. km). Cap.: Copenhagen. * * * Denmark Introduction Denmark Background: Once the seat of Viking raiders and later a major… …
70photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …
