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Faraday, Michael

(Encyclopedia)Faraday, Michael fârˈədē, –dāˌ [key], 1791–1867, English scientist. The son of a blacksmith, he was apprenticed to a bookbinder at the age of 14. He had little formal education, but acquired...

Faraday's law

(Encyclopedia)Faraday's law, physical law stating that the number of moles of substance produced at an electrode during electrolysis is directly proportional to the number of moles of electrons transferred at that ...

farad

(Encyclopedia)farad fărˈəd [key] [for Michael Faraday], unit of electrical capacitance, equivalent to 1 coulomb of stored charge per volt of applied potential difference. ...

Tyndall, John

(Encyclopedia)Tyndall, John tĭnˈdəl [key], 1820–93, British physicist, b. Ireland. He became (1853) professor of natural philosophy at the Royal Institution and in 1867 succeeded Michael Faraday, his friend an...

capacitance

(Encyclopedia)capacitance, in electricity, capability of a body, system, circuit, or device for storing electric charge. Capacitance is expressed as the ratio of stored charge in coulombs to the impressed potential...

Holland House

(Encyclopedia)Holland House, residence of the Holland family in Kensington, London, made famous in the first 40 years of the 19th cent. by the hospitality of Henry Fox, 3d Baron Holland, and his wife. Built in 1606...

Henry, Joseph

(Encyclopedia)Henry, Joseph, 1797–1878, American physicist, b. Albany, N.Y., educated at Albany Academy. He taught (1826–32) mathematics and natural philosophy at Albany Academy and was professor of natural phi...

Arlen, Michael

(Encyclopedia)Arlen, Michael, 1895–1956, English novelist, b. Bulgaria as Dikran Kuyumjian. The son of Armenian parents, he was brought to England as a child. In 1922 he became a British subject and changed his n...

Michael, archangel

(Encyclopedia)Michael mīˈkəl [key] [Heb.,=who is like God?], archangel prominent in Christian, Jewish, and Muslim traditions. In the Bible and early Jewish literature, Michael is one of the angels of God's prese...

Moore, Michael

(Encyclopedia)Moore, Michael, 1954–, American documentary filmmaker, author, and activist, b. Flint, Mich. A highly personal, populist, and frequently controversial and polarizing documentary filmmaker, he made h...