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{{Short description|Fundamental quantity in physics}} ...pg|thumb|right|[[Léon Foucault|Foucault]]'s [[Foucault pendulum|pendulum]] in the [[Panthéon, Paris|Panthéon]] of [[Paris]] can measure [[time]] as well ...

...hagorean theorem''' or '''Pythagoras' theorem''' is a fundamental relation in [[Euclidean geometry]] between the three sides of a [[right triangle]]. It ...ed distance between two points equals the sum of squares of the difference in each coordinate between the points. ...

...ly people.<ref>Wilkinson J and Ferraro K, Thirty Years of Ageism Research. In Nelson T (ed). Ageism: Stereotyping and Prejudice Against Older Persons. Ma ...=live }}</ref> In the UK, at a meeting of the [[Bracknell Forest Council]] in June 1983, councillor Richard Thomas pointed out that age discrimination wo ...

{{Short description|Central concept in Marxian critique of political economy}} ..."form of appearance," an independent way of presenting the value contained in the commodity, and then I start on the analysis of the latter... the concr ...

...ty of Kadesh.jpg|thumb|Tablet of one of the earliest recorded [[treaties]] in history, [[Egyptian-Hittite peace treaty|Treaty of Kadesh]], at the [[Istan ...ital is being spent. This practice has existed in some form for centuries; in ancient [[Egypt]], for example, when grain was often used as currency, loca ...