linkedin post 2021-12-25 06:30:37
REDEFINED ETHER. “It may be said that the notion of four-dimensional space-time replaces that of aether. Einstein's general relativity further develops the idea of four-dimensional space-time, and provides the relation between the energy-momentum tensor of matter and the Riemannian structure of space-time.” https://lnkd.in/dATr5iE7 View in LinkedIn