This web site contains a detailed introduction to relativity as the physics of spacetime, using the propagation of light as a unifying theme. It integrates textual explanations of relativity concepts with spacetime diagrams and animations to clarify the material. It includes a historical perspective, the basics of spacetime, special relativity, and general relativity. The approach is non-mathematical throughout.
%0 Electronic Source %A Salgado, Roberto B. %D April 30, 2005 %T The Light Cone: an illuminating introduction to relativity %V 2015 %N 25 April 2015 %8 April 30, 2005 %9 text/html %U http://www.visualrelativity.com/LIGHTCONE/
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