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wave mechanics
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Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz
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Key People:
Erwin Schrödinger
Arnold Sommerfeld
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wave mechanics

physics
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History

wave mechanics, quantum mechanics, especially that version originally developed (1926) by the Austrian physicist Erwin Schrödinger. See Schrödinger equation.