- theories of electrification
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English-Tamil dictionary. 2014.
English-Tamil dictionary. 2014.
Contact electrification — is an obsolete scientific theory from the Enlightenment that attempted to account for all the sources of electric charge known at the time.[1] In the late 18th century, scientists developed sensitive instruments for detecting electrification ,… … Wikipedia
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
Great Depression — This article is about the severe worldwide economic downturn in the 1930s. For other uses, see The Great Depression (disambiguation) … Wikipedia
Morris Llewellyn Cooke — Morris Llewellyn Cooke, 1911 Born 11 May 1872 (1872 05 11) Carlisle, Pennsylvania U.S … Wikipedia
Histoire de la relativité restreinte — L’histoire de la relativité restreinte décrit le développement de propositions et constatations empiriques et conceptuelles, au sein de la physique théorique, qui ont permis d’aboutir à une nouvelle compréhension de l’espace et du temps. Cette… … Wikipédia en Français
Geschichte der speziellen Relativitätstheorie — Die Geschichte der speziellen Relativitätstheorie bezeichnet zunächst die Entwicklung von empirischen und konzeptionellen Vorschlägen und Erkenntnissen innerhalb der theoretischen Physik, die zu einem neuen Verständnis von Raum und Zeit führten.… … Deutsch Wikipedia
Unemployment — World unemployment rates[1] as of January 2009[update] Unemployment (or … Wikipedia
Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar … Wikipedia
ÉLECTRICITÉ - Histoire — La science de l’électricité s’est peu à peu constituée à partir de simples observations des phénomènes de la nature. La boussole en est la première application. La possibilité de produire à volonté de l’électricité fut acquise seulement au XVIIe… … Encyclopédie Universelle
Mass–energy equivalence — E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the … Wikipedia
United 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… … Universalium