spontaneous force

  • 31Ferroelectricity — is a property of certain materials which possess a spontaneous electric polarization that can be reversed by the application of an external electric field.[1][2] The term is used in analogy to ferromagnetism, in which a material exhibits a… …

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  • 32painting, Western — ▪ art Introduction       history of Western painting from its beginnings in prehistoric times to the present.       Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …

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  • 33Membrane curvature — is the geometrical measure or characterization of the curvature of membranes. The membranes can be naturally occurring or man made (synthetic). An example of naturally occurring membrane is the lipid bilayer of cells, also known as cellular… …

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  • 34Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …

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  • 35education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …

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  • 36Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …

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  • 371964 PRL symmetry breaking papers — Five of the six 2010 Sakurai Prize Winners Kibble, Guralnik, Hagen, Englert, and Brout In 1964 three teams proposed related but different approaches to explain how mass could arise in local gauge theories. These three, now famous, papers were… …

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  • 38Free market — A free market is a market in which property rights are voluntarily exchanged at a price arranged completely by the mutual consent of sellers and buyers. In a free market, individuals, rather than government, make the majority of decisions… …

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  • 39Electrochemistry — is a branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor (a metal or a semiconductor) and an ionic conductor (the electrolyte), and which involve electron transfer between… …

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  • 40Jean-Baptiste Lamarck — Portrait of Jean Baptiste Lamarck Born August 1, 1744 …

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