The Maths of General Relativity (1/8) - Spacetime and Worldlines

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Where do we come from ? In what world do we live ? In a few minutes, discover and understand the most complex scientific theories, to get a grasp of the cosmos. Precise and short videos, with visual explanations, in a simple and accessible format ! The videos on this channel are translated from French by the talented narrator Octave Masson. To see the original videos in French, rendez-vous on this channel : https://youtube.com/ScienceClic ScienceClic, Copyright 2014 Alessandro Roussel For more info: http://www.alessandroroussel.com/en