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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.
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 ...
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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.
French Indochina (including Guangzhouwan), 1930. Residence of the governor-general in Hanoi, Tonkin. European (as well as Japanese and Chinese) colonial administrators (French: Gouverneurs généraux de l'Indochine française) had historically been responsible for the territory of French Indochina, an area equivalent to modern-day Vietnam, Laos, Cambodia, and the Chinese city of Zhanjiang.
c. 1910 in Thường Thạnh, Cái Răng, Cần Thơ, Vietnam 26 June 1980 in Ho Chi Minh City, Vietnam 1969 [12] Đông Hồ (1906–1969) Vietnam Vũ Hoàng Chương 5 May 1915 in Phù Ủng, Ân Thi, Hưng Yên, Vietnam 6 September 1976 in Ho Chi Minh City, Vietnam 1972 [13] Thanh Lãng (1924–1978) Vietnam Peace: Thích Nhất Hạnh
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
An experimental Wikipedia edition in the obsolete chữ Nôm script began in October 2006 at the Wikimedia Incubator. [6] It was deleted in April 2010. [7] [non-primary source needed] The Vietnam Wikimedians User Group supports the development of the Vietnamese Wikipedia and other Vietnamese-language Wikimedia projects.