Oersted's experiment: The principle is simple, you just have to place a wire over a compass needle. On September 4, 1820, François Arago talks to the Academy about an experiment he discovered during the summer: the Oersted experiment. These reflections are based on an experiment reported by another X alumni and professor: François Arago (X1803). On this very day, 200 years ago (September 18, 1820), André-Marie Ampère presented his first work on electrodynamics. The work he undertook on game theory led to his acceptance into the Académie des Sciences in 1814. After a succession of family misfortunes, he decided to move to Paris and was appointed analysis tutor at École Polytechnique in 1804. A few years later, he taught mathematics and Italian, then chemistry and physics in Lyon. André-Marie sought to acquire all the knowledge of his time thanks to his father's library and in particular the Encyclopedia of Diderot and d'Alembert. École Polytechnique is also taking advantage of this anniversary to celebrate one of its illustrious professors who helped to solidify its reputation.Īndré-Marie Ampère did not go to school because his father, a follower of Rousseau's ideas on education, who preferred to let him learn on his own. This year, the French Electricity, Electronics and Information and Communication Technology Society (SEE) and the Société des amis d'André-Marie Ampère (SAAMA) are honoring him for the 200th anniversary of the discovery of the laws of electrodynamics. When we speak about Ampère, we associate his name with electricity: the name André-Marie Ampère was given to the International Unit of Measurement of electrical intensity, as a tribute to the work of this great man. More recent interpretation of the Bonhomme (right). Representation of the “Bonhomme d'Ampère” by André-Marie Ampère in 1820 (left).
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