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Special relativity

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Special relativity explained in under three minutes

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Visualization of Einstein's special relativity

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Einstein and The Special Theory of Relativity

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What Is The Special Theory Of Relativity?

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Relativity of Simultaneity | Special Relativity Ch. 4

In physics, special relativity is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time. In Albert Einstein's original pedagogical treatment, it is based on two postulates:The laws of physics are invariant in all inertial systems. The speed of light in a vacuum is the same for all observers, regardless of the motion of the light source.
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  • Traditional "two postulates" approach to special relativity 

  • Principle of relativity 

  • Lorentz invariance as the essential core of special relativity 

  • Consequences derived from the Lorentz transformation 

  • Optical effects 

  • Dynamics 

  • Relativity and unifying electromagnetism 

  • Theories of relativity and quantum mechanics 

  • Status 

  • Technical discussion of spacetime