The Maths of General Relativity (4/8) - Metric tensor

ScienceClic English December 15, 2020
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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

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In this series, we build together the theory of general relativity. This fourth video focuses on the notion of metric tensor, its relations to the Christoffel symbols, and physical distances. 0:00 - The metric tensor 3:45 - Relating abstraction to geometry 4:25 - Calculating Christoffel symbols from the metric 6:44 - From the metric to trajectories 7:39 - Concrete example 1 9:35 - Concrete example 2 - The Minkowski metric For more videos, subscribe to the YouTube channel : https://www.youtube.com/ScienceClicEN And if you liked this video, you can share it on social networks ! To support me on Patreon : http://www.patreon.com/ScienceClic or on Tipeee : http://tipeee.com/ScienceClic Facebook Page : http://facebook.com/ScienceClic Twitter : http://twitter.com/ScienceClic Instagram : http://instagram.com/ScienceClic Alessandro Roussel, For more info: http://www.alessandroroussel.com/en