Pierre Varignon (1654 – 23 December 1722) was a French mathematician. He was educated at the Jesuit College and the University of Caen, where he received his M.A. in 1682. He took Holy Orders the following year. Varignon gained his first exposure to mathematics by reading Euclid and then Descartes' La Géométrie. He became professor of mathematics at the Collège Mazarin in Paris in 1688 and was elected to the Académie Royale des Sciences in the same year. In 1704 he held the departmental chair at Collège Mazarin and also became professor of mathematics at the Collège Royal. He was elected to the Berlin Academy in 1713 and to the Royal Society in 1718. Many of his works were published in Paris in 1725, three years after his death. His lectures at Mazarin were published in Elements de mathematique in 1731. Varignon was a friend of Newton, Leibniz, and the Bernoulli family. Varignon's principal contributions were to graphic statics and mechanics. Except for l'Hôpital, Varignon was the earliest and strongest French advocate of infinitesimal calculus, and exposed the errors in Michel Rolle's critique thereof. He recognized the importance of a test for the convergence of series, but analytical difficulties prevented his success. Nevertheless, he simplified the proofs of many propositions in mechanics, adapted Leibniz's calculus to the inertial mechanics of Newton's Principia, and treated mechanics in terms of the composition of forces in Projet d'une nouvelle mécanique in 1687. Among Varignon's other works was a 1699 publication concerning the application of differential calculus to fluid flow and to water clocks. In 1690 he created a mechanical explanation of gravitation. In 1702 he applied calculus to spring-driven clocks. In 1704, he invented the U-tube manometer, a device capable of measuring rarefaction in gases. (Wikipedia).
SHM 18/10/2019 - Le problème historiographique des fondements du calcul différentiel... - Mawhin
Mawhin (Université catholique de Louvain) / 18.10.2019 Le problème historiographique des fondements du calcul différentiel et intégral : l'analyse mathématique en Belgique autour de 1850 à travers la querelle des "infinicoles" et des "infinivores" ----------------------------------
From playlist Séminaire d'Histoire des Mathématiques
Mechanical Engineering: Rigid Bodies & Sys of Forces (13 of 47) Varignon's Theorem Explained
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain Varignon's Theorem. Next video in the Rigid Bodies and System of Forces series can be seen at: http://youtu.be/0R4VSMNAAs4
From playlist MECHANICAL ENGINEERING 2 - MOMENT OF A FORCE
Varignon's Theorem with Geometric Vectors (Ch1 Pr5)
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From playlist Mathematics 1A (Algebra)
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GeoGebra Resource Link: https://www.geogebra.org/m/qbxbcmqw#material/fvjqryvg Screencast recorded on Acer Google Chrome Tablet 10 Augmented Reality powered by ARCore by Google
From playlist GeoGebra 3D With AR (Google): Explorations, Demos, & Lesson Ideas
Journées Hénon - 8/21 - Uriel Frisch
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From playlist Michel Hénon Memoriam
Geometry with vectors | Wild Linear Algebra A 2 | NJ Wildberger
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From playlist WildLinAlg: A geometric course in Linear Algebra
Journées Hénon - 15/21 - Alessandro Morbidelli
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Journées Hénon - 13/21 - Jacques Laskar
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From playlist Colloque Evariste Galois
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From playlist Michel Hénon Memoriam
Piazzolla, Guitarra, Bandoneón y Orquesta de Cuerdas-Alondra de la Parra & Orchestre de París
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From playlist NeoTango
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From playlist Michel Hénon Memoriam
Pierre-Marie Robitaille Is Clueless (Sky Scholar Debunked)
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From playlist Debunks/Discussions/Debates
Dr. Pierre Capel on the Power of the Mind & the Science of Wim Hof
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Mount Pelée: The Most Deadly Volcanic Eruption of the 20th Century
Watch Alive: Surviving Catastrophe episode one: San Francisco Freeway Collapse for FREE until September 8. https://www.magellantv.com/series/alive You can also gain access to MagellanTV’s entire history collection with my SPECIAL OFFER, a 1-month free membership: https://try.magellantv.co
From playlist Disasters and History
Discussion Session by Kaustuv Sanyal & Vijaykumar krishnamurthy
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