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notknowing
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From all the sources I have (and including wikipedia), it seems that the speed of light is lowered by the presence of a gravitational field.
Now since the speed of light is related to the electrical permittivity and the magnetic permeability of the vacuum, one could interpret this by saying that the gravitational field modifies the properties of the vacuum. Instead of a geometrical description og gravity (GR), one could therefore probably obtain an equivalent description in which "curvature" is replaced by "modification of the (aether) vacuum".
I appreciate your comments.
Now since the speed of light is related to the electrical permittivity and the magnetic permeability of the vacuum, one could interpret this by saying that the gravitational field modifies the properties of the vacuum. Instead of a geometrical description og gravity (GR), one could therefore probably obtain an equivalent description in which "curvature" is replaced by "modification of the (aether) vacuum".
I appreciate your comments.