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  • 41Cellular automaton — A cellular automaton (plural: cellular automata) is a discrete model studied in computability theory, mathematics, theoretical biology and microstructure modeling. It consists of a regular grid of cells , each in one of a finite number of states …

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  • 42List of statistics topics — Please add any Wikipedia articles related to statistics that are not already on this list.The Related changes link in the margin of this page (below search) leads to a list of the most recent changes to the articles listed below. To see the most… …

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  • 43Les Préludes (Liszt) — Les Préludes is the third of Franz Liszt s twelve Symphonic Poems. [ Von der Wiege bis zum Grabe , although as well a Symphonic Poem, was in the 1880s composed not as part of Liszt s former cycle, but as single piece. There is no No. 13 in the… …

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  • 44photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …

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  • 45United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …

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  • 46Skewes' number — In number theory, Skewes number can refer to any of several extremely large numbers used by the South African mathematician Stanley Skewes as upper bounds for the smallest natural number x for which :π( x ) > li( x ),where π( x ) is the prime… …

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  • 47Maximum power transfer theorem — In electrical engineering, the maximum power transfer theorem states that, to obtain maximum external power from a source with a finite internal resistance, the resistance of the load must be equal to the resistance of the source as viewed from… …

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  • 48Autostabilisation — L autostabilisation, ou auto stabilisation, est la propriété d un système réparti, composé de plusieurs machines capables de communiquer entre elles, qui consiste, lorsque le système est mal initialisé ou perturbé, à retourner automatiquement à… …

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  • 49dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …

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  • 50Barack Obama citizenship conspiracy theories — A billboard questioning the validity of Barack Obama s birth certificate and by extension his eligibility to serve as President of the U. S.[1] The billboard is part of an …

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