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A method to straighten curved space-time (phys.org)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] -1 points 7 months ago

There is no such thing as a four dimensional "spacetime". That is a abstract math only concept, nothing to do with reality. Time is not a thing, nor is it a dimension. Reality is not curved or flat. That is abstract geometry that they are talking about, not reality. Only 3 abstract dimensions are required to locate anything in reality. Time is just when you want to examine these three dimensions.

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