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Archimedes' spiral

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  • Archimedes' spiral —    Also known as Plateau s spiral. The eponym Archimedes spiral refers to the Greek mathematician and physicist Archimedes of Syracuse (297 212 BC). The eponym Plateau s spiral refers to the Belgian physicist Joseph Plateau (18011883). Both… …   Dictionary of Hallucinations

  • Archimedes spiral — Archimedo spiralė statusas T sritis fizika atitikmenys: angl. Archimedean spiral; Archimedes spiral vok. Archimedische Spirale, f rus. архимедова спираль, f; спираль Архимеда, f pranc. spirale d’Archimède, f …   Fizikos terminų žodynas

  • Archimedes — /ahr keuh mee deez/, n. 287? 212 B.C., Greek mathematician, physicist, and inventor: discovered the principles of specific gravity and of the lever. * * * born с 290–280 BC, Syracuse, Sicily died 212/211 BC, Syracuse Legendary Greek inventor and… …   Universalium

  • Archimedes' screw — was operated by hand and could raise water efficiently …   Wikipedia

  • Spiral of Archimedes — Spiral Spi ral, n. [Cf. F. spirale. See {Spiral}, a.] 1. (Geom.) A plane curve, not re[ e]ntrant, described by a point, called the generatrix, moving along a straight line according to a mathematical law, while the line is revolving about a fixed …   The Collaborative International Dictionary of English

  • Archimedes (disambiguation) — Archimedes was a celebrated mathematician and engineer of ancient Greece. Archimedes may also refer to:* Archimedes (crater), a lunar crater * Archimedes (CAD), an open source computer aided design project * Acorn Archimedes, a home computer *… …   Wikipedia

  • Spiral — Spi ral, n. [Cf. F. spirale. See {Spiral}, a.] 1. (Geom.) A plane curve, not re[ e]ntrant, described by a point, called the generatrix, moving along a straight line according to a mathematical law, while the line is revolving about a fixed point… …   The Collaborative International Dictionary of English

  • spiral motion aftereffect — (spiral MAE)    Also known as spiral aftereffect. Both terms are used to denote a * motion aftereffect that can be induced with the aid of an * Archimedes s spiral or * Plateau s spiral. After viewing such a rotating spiral for several minutes… …   Dictionary of Hallucinations

  • Archimedes' screw — or Archimedean screw n. an ancient water raising device attributed to Archimedes, made up of a spiral tube coiled about a shaft or of a large screw in a cylinder, revolved by hand …   English World dictionary

  • Archimedes — For other uses, see Archimedes (disambiguation). Archimedes of Syracuse (Greek: Ἀρχιμήδης) …   Wikipedia

  • spiral — spirality /spuy ral i tee/, n. spirally, adv. /spuy reuhl/, n., adj., v., spiraled, spiraling or (esp. Brit.) spiralled, spiralling. n. 1. Geom. a plane curve generated by a point moving around a fixed point while constantly receding from or… …   Universalium