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FaithSeeker
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http://www.youtube.com/watch?v=8MWNs7Wfk84&feature=PlayList&p=858478F1EC364A2C&index=2" , Edmund Bertschinger is talking about Einstein's field equations .
during the lecture , under the title of : "Gravity as sapcetime curvature (GR viewpoint) " , he wrote :
"Freely falling bodies move along spacetime geodesics ..."
this statement made me confused.
what does this actually mean ?
during the lecture , under the title of : "Gravity as sapcetime curvature (GR viewpoint) " , he wrote :
"Freely falling bodies move along spacetime geodesics ..."
this statement made me confused.
what does this actually mean ?
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