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51Union of Soviet Socialist Republics — a former federal union of 15 constituent republics, in E Europe and W and N Asia, comprising the larger part of the former Russian Empire: dissolved in December 1991. 8,650,069 sq. mi. (22,402,200 sq. km). Cap.: Moscow. Also called Russia, Soviet …
52nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
53MPEG-2 — Not to be confused with MPEG 1 Audio Layer II (MP2). MPEG 2 is used in Digital Video Broadcast and Digital Versatile Discs. The MPEG transport stream, TS, and MPEG program stream, PS, are container formats. MPEG 2 is a standard for the generic… …
54Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
55Lebanon — /leb euh neuhn/ or, esp. for 1, / non /, n. 1. a republic at the E end of the Mediterranean, N of Israel. 3,858,736; 3927 sq. mi. (10,170 sq. km). Cap.: Beirut. 2. a city in SE Pennsylvania. 25,711. 3. a city in N central Tennessee. 11,872. 4. a… …
56Education of the Blind — • Includes statistics and history Catholic Encyclopedia. Kevin Knight. 2006. Education of the Blind Education of the Blind …
57Judicial system of the People's Republic of China — For the Ministry of Justice, see Ministry of Justice of the People s Republic of China. People s Republic of China This article is part of the series: Politics and government of …
58quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …
59United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
60ARAB WORLD, 1945–2006 — The Arab world is divided into four subregions: the Maghreb (morocco , tunisia , algeria , libya , Mauritania), the Nile Valley (egypt and Sudan), the Fertile Crescent (syria , lebanon , iraq , jordan , and the palestinian authority ), and the… …
