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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 ]
Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American theoretical physicist.He is best known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, and in particle physics, for which he proposed the parton model.
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
Heinrich Rudolf Hertz (/ h ɜːr t s /, HURTS; German: [ˈhaɪnʁɪç hɛʁts]; [1] [2] 22 February 1857 – 1 January 1894) was a German physicist who first conclusively proved the existence of the electromagnetic waves predicted by James Clerk Maxwell's equations of electromagnetism.
In the 1970s, Leon Theremin was a Professor of Physics at Moscow State University (Department of Acoustics) developing his inventions and supervising graduate students. After 51 years in the Soviet Union Theremin started traveling, first visiting France in June 1989 [ 2 ] and then the United States in 1991, each time accompanied by his daughter ...
The Feynman Lectures on Physics – another contemporaneously-developed and influential college-level physics series; Course of Theoretical Physics – ten-volume series of books covering advanced theoretical physics, by Lev Landau and Evgeniy Lifshitz; PSSC Physics – a contemporaneously-developed high-school-level physics textbook
James Clerk Maxwell FRS FRSE (13 June 1831 – 5 November 1879) was a Scottish physicist and mathematician [1] who was responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism and light as different manifestations of the same phenomenon.
Kenneth Krane's Modern physics begins a text on quantum and relativity theories with a few pages on the deficiencies of classical physics. [ 84 ] : 3 E.T. Whittaker's two volume A History of the Theories of Aether and Electricity subtitles volume one to The Classical Theories and volume two The Modern Theories (1900–1926).