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| Flemish
scientist who, in physics, developed statics and hydrodynamics; he also
introduced decimal notation into Western mathematics. Stevinus was born in Bruges (now in Belgium). He began work in Antwerp as a clerk and then entered Dutch government service, using his engineering skills to become quartermaster-general to the army. He designed sluices that could be used to flood parts of Holland to defend it from attack. In statics Stevinus made use of the parallelogram of forces and in dynamics he made a scientific study of pulley systems. In hydrostatics he noted that the pressure exerted by a liquid depends only on its height and is independent of the shape of the vessel containing it. He is supposed to have carried out an experiment (later attributed to Italian physicist Galileo) in which he dropped two unequal weights from a tall building to demonstrate that they fell at the same rate. Stevinus wrote in the vernacular (a principle he advocated for all scientists). His book on mechanics is De Beghinselen der Weeghcoust 1586. |