Joseph CosgroveJan 26, 20192 minOn Einstein's Newtonian Limit CalculationIn Chapter 7 of my Relativity without Spacetime, Section 7.2.3.3 (p. 157), I observe that for "any Newtonian weak field reduction" of Einstein's gravitationa...

Joseph CosgroveDec 28, 20183 minJohn Norton on Einstein's Move to Four-Dimensional SpacetimeThis post is to supplement my response in Relativity without Spacetime (Section 7.2.1.1, pages 133–136) to John Norton's account of Einstein’s reasons for em...