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A leitmotif or Leitmotiv [1] (/ ˌ l aɪ t m oʊ ˈ t iː f /) is a "short, recurring musical phrase" [2] associated with a particular person, place, or idea. It is closely related to the musical concepts of idée fixe or motto-theme . [ 2 ]
His interest had been aroused by an amateur inventor named Alex Jones, who contacted Laithwaite about a reactionless propulsion drive he (Jones) had invented. After seeing a demonstration of Jones's small prototype (a small wagon with a swinging pendulum which advanced intermittently along a table top), Laithwaite became convinced that "he had ...
Thematic transformation (also known as thematic metamorphosis or thematic development) is a musical technique in which a leitmotif, or theme, is developed by changing the theme by using permutation (transposition or modulation, inversion, and retrograde), augmentation, diminution, and fragmentation.
Gaspard-Gustave de Coriolis (French: [ɡaspaʁ ɡystav də kɔʁjɔlis]; 21 May 1792 – 19 September 1843) was a French mathematician, mechanical engineer and scientist.He is best known for his work on the supplementary forces that are detected in a rotating frame of reference, leading to the Coriolis effect.
Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.
— Douglas C. Giancoli Physics for Scientists and Engineers with Modern Physics, p. 155 In short, centrifugal force played a key early role in establishing the set of inertial frames of reference and the significance of fictitious forces, even aiding in the development of general relativity.
French National Library The Mémoires of Coulomb available in pdf format. O'Connor, John J.; Robertson, Edmund F., "Charles-Augustin de Coulomb", MacTutor History of Mathematics Archive, University of St Andrews; Coulomb's Memoirs on Torsion, Electricity, and Magnetism Translated into English
He was born in Magheragall in County Antrim, the son of Hugh Larmor, a Belfast shopkeeper and his wife, Anna Wright. [3] The family moved to Belfast circa 1860, and he was educated at the Royal Belfast Academical Institution, and then studied mathematics and experimental science at Queen's College, Belfast (BA 1874, MA 1875), [4] where one of his teachers was John Purser.