Quote:
Originally Posted by sabianq
maybe one could test this by determining if light had a faster speed in an earlier, denser universe.
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That's my point. We have nothing to compare it to. From our point of view there is only one speed and it is not dependent on any other variable.
Quote:
Originally Posted by sabianq
i mean do we "really" understand the nature of the structure of spacetime?
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Did anybody say we do really understand it?
Quote:
Originally Posted by sabianq
would it not be in our best interest to try and fully understand the very structure of the universe that we live in?
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Are you saying nobody is trying to understand it?