Rulers and Protractors Become General Relativity: Difference between revisions

Rulers and Protractors Become General Relativity (edit)

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 == Links ==
-* See [[20: Sir Roger Penrose - Plotting the Twist of Einstein’s Legacy|The Portal Episode 20]] at 39:00 where Eric explains this: https://youtu.be/mg93Dm-vYc8?t=2340
+* Eric explaining this on Episode 20
+{{#widget:YouTube|id=mg93Dm-vYc8|start=2329}}
 [[Category:Graph, Wall, Tome]]