Symmetry In Physics - Deepstash
Symmetry In Physics

Symmetry In Physics

  • Professor Hermann Weyl has given this definition of symmetry: a thing is symmetrical if one can subject it to a certain operation and it appears exactly the same after the operation.
  • If there is a piece of equipment in one place with a certain kind of machinery in it, the same equipment in another place will behave in the same way. Why? The equations are the same, the phenomena appear the same.
  • All quantities that have a direction, like a step in space, are called vectors.


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"A good idea should be like a girl's skirt; long enough to cover the subject and short enough to create interest."

Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, 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, as well as his work in particle physics for which he proposed the parton model. For his contributions to the development of quantum electrodynamics, Feynman received the Nobel Prize in Physics in 1965 jointly with Julian Schwinger and Shin'ichirō Tomonaga.

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