time isnt a dimension its a parameter of physical changes at stated intervals.
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no time - no changes - no physics - no existence.
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no time - no changes - no physics - no existence.
I'll concede your point of a fourth spatial dimension, if you concede my point that it's also a unification of spacetime into a four-dimensional continuum
Words words words. Nobody can know what the real truth is unless they have seen it for themselves. Or just trust the scientists.