• 121Orthogonal matrix — In linear algebra, an orthogonal matrix (less commonly called orthonormal matrix[1]), is a square matrix with real entries whose columns and rows are orthogonal unit vectors (i.e., orthonormal vectors). Equivalently, a matrix Q is orthogonal if&#8230; …

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• 122Price discrimination — or price differentiation[1] exists when sales of identical goods or services are transacted at different prices from the same provider.[2] In a theoretical market with perfect information, perfect substitutes, and no transaction costs or&#8230; …

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• 124Fire sprinkler system — A fire sprinkler system is an active fire protection measure, consisting of a water supply, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected. Although historically only used&#8230; …

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• 125Type system — Type systems Type safety Inferred vs. Manifest Dynamic vs. Static Strong vs. Weak Nominal vs. Structural Dependent typing Duck typing Latent typing Linear typing Uniqueness typing …

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• 126Chapman Stick — A 10 string Chapman Stick The Chapman Stick (the Stick) is an electric musical instrument devised by Emmett Chapman in the early 1970s. A member of the guitar family, the Chapman Stick usually has ten or twelve individually tuned strings and has&#8230; …

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• 127Age of Liberty — The Age of Liberty ( sv. Frihetstiden) is the half a century long experiment with a parliamentary system and increasing Civil Rights in the period from Charles XII s death in 1718 to Gustav III s coup d état in 1772. The shift of power from the&#8230; …

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• 128Selection — mergefrom|Evolutionary pressure|Talk:Selection|date=September 2007|Richard001In the context of evolution, certain traits or alleles of a species may be subject to selection. Under selection, individuals with advantageous or adaptive traits tend&#8230; …

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• 129Weather gage — The weather gage is a nautical term used to describe the advantageous position of a fighting sailing vessel, relative to another. The term is from the Age of Sail, and is now antiquated. A ship is said to possess the weather gage if it is in any&#8230; …

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• 130List of Tesla patents — Below is a list of Tesla patents. Dr. Nikola Tesla was an inventor who obtained around 300 patents [Snezana Sarbo, [http://www.tesla symp06.org/papers/Tesla Symp06 Sarboh.pdfNikola Tesla s Patents] , Sixth International Symposium Nikola Tesla,&#8230; …

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• 131Transgenic plant — Transgenic plants possess a gene or genes that have been transferred from a different species. Although DNA of another species can be integrated in a plant genome by natural processes, the term transgenic plants refers to plants created in a&#8230; …

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• 132Decision making — For Decision making in groups, see Group decision making. Sample flowchart representing the decision process to add a new article to Wikipedia. Decision making can be regarded as the mental processes (cognitive process) resulting in the selection …

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• 133Giulia de' Medici — Infobox Person name = Giulia di Alessandro de Medici image size = 110px caption = Giulia de Medici birth date = ca. 1535 birth place = Florence death date = ca. 1588 death place = Italy parents = Alessandro de Medici, Duke of Florence and Taddea&#8230; …

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• 134Defragmentation — Defrag redirects here. For other uses, see Defrag (disambiguation). Disk Defragmenter redirects here. For the Microsoft Windows utility, see Disk Defragmenter (Windows). Visualization of fragmentation and then of defragmentation In the&#8230; …

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• 135Padania — is an alternative name for Northern Italy. It was sparingly used until the early 1990s, when the Lega Nord political party proposed the term as a possible denomination for an autonomous Northern Italy. Since then, the term has carried strong&#8230; …

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• 136Calvary — Not to be confused with cavalry (horse or armoured troops) or Calgary. For alternative meanings, see: Calvary (disambiguation), Mount Calvary (disambiguation), and Golgotha (disambiguation). Traditional site of Golgotha, within the Church of the …

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• 137Origins of the American Civil War — For events following South Carolina s declaration of secession from the Union, see Battle of Fort Sumter and American Civil War. The Battle of Fort Sumter was the first stage in a conflict that had been brewing for decades. The main explanation&#8230; …

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• 138Mihail Kogălniceanu — For other uses, see Mihail Kogălniceanu (disambiguation). Mihail Kogălniceanu Prime Minister of Romania In office October 11, 1863&#160;– January 26, 1865 …

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• 139International relations within the Comecon — This article is part of the article Comecon The Council for Mutual Economic Assistance (Comecon) was an economic organization of communist states, created in 1949, and dissolved in 1991, with the collapse of the Soviet Union. International&#8230; …

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• 140Polymorphism (biology) — Light morph Jaguar (typical) Dark morph or melanistic Jaguar (about …

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