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Jean Bernard Léon Foucault (UK: / ʒ ɒ̃ ˈ b ɛər n ɑːr ˌ l eɪ ɒ̃ ˈ f uː k oʊ /, US: / ˌ ʒ ɒ̃ b ɛər ˈ n ɑːr l eɪ ˌ ɒ̃ f uː ˈ k oʊ /; French: [ʒɑ̃ bɛʁnaʁ leɔ̃ fuko]; 18 September 1819 – 11 February 1868) was a French physicist best known for his demonstration of the Foucault pendulum, a device demonstrating the effect of Earth's rotation.
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Foucault is a surname. Notable people with the surname include: Jean-Pierre Foucault (born 1947), French television host; Jeffrey Foucault (born 1976), American songwriter; Léon Foucault (1819–1868), French physicist; Michel Foucault (1926–1984), French philosopher; Steve Foucault (born 1949), former Major League Baseball pitcher
Foucault published two papers in 1852, one focused on astronomy with the weight free to move on all three axes (On a new experimental demonstration of the motion of the Earth, based on the fixity of the plane of rotation) [8] and the other on mechanics with the weight free to move on only two axes (On the orientation phenomena of rotating bodies driven by a fixed axis on the Earth's surface.
In Foucault's 1862 experiment, he desired to obtain an accurate absolute value for the speed of light, since his concern was to deduce an improved value for the astronomical unit. [2] [Note 4] At the time, Foucault was working at the Paris Observatory under Urbain le Verrier. It was le Verrier's belief, based on extensive celestial mechanics ...
Phan Bội Châu (Vietnamese: [faːn ɓôjˀ cəw]; 26 December 1867 – 29 October 1940), born Phan Văn San, courtesy name Hải Thụ (later changed to Sào Nam), was a pioneer of 20th century Vietnamese nationalism.
Vietnamese Chữ Hán European equivalent Remarks Hoàng đế: 皇帝 Emperor: see Chinese nobility: Quốc vương: 國王 King: lit. “King of the State”. In the historical context of Vietnam and Imperial China, Quốc vương was used to refer to the Emperor of Vietnam in its correspondences with the Chinese dynasties.
Jean-Bernard is a French masculine given name. It may refer to : Jean-Bernard Gauthier de Murnan (1748–1796), a French officer for the Continental Army; Jean-Bernard Knepper (1638–1698), a Luxembourg advocat and notary; Jean-Bernard Ndongo Essomba, a Cameroonian politician; Jean-Bernard Racine (born 1940), a Swiss Professor of geography