Difference between revisions of "Graph, Wall, Tome"
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→What are $$R_{\mu v}$$ and $$R$$ geometrically?
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[https://en.wikipedia.org/wiki/Einstein_field_equations Einstein field equaitions] | [https://en.wikipedia.org/wiki/Einstein_field_equations Einstein field equaitions] | ||
Einstein’s original publication, Die Feldgleichungen der Gravitation, in English | Einstein’s original publication, Die Feldgleichungen der Gravitation, in English | ||
==== R ==== | |||
[https://www.youtube.com/watch?v=UfThVvBWZxM&t=12m6s Explanation of R] | [https://www.youtube.com/watch?v=UfThVvBWZxM&t=12m6s Explanation of R] | ||
R is the curvature of the spacetime manifold at each point along the manifold. In the video, they focus first on the curvature of space. Hopefully they incorporate back in curvature in time, because that's less obvious. | R is the curvature of the spacetime manifold at each point along the manifold. In the video, they focus first on the curvature of space. Hopefully they incorporate back in curvature in time, because that's less obvious. | ||