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Still I insist that I can. :D It is not about physics - it is about mathematics. Well, OK, no matter. All I question is why one kind of anisotropy makes "unity" while particular case of the same...

Why? I can cut as I like and write proper mathematical formula in new arbitrary coordinates. The model doesn't deny such a possibility even if I don't see any practical reason to do it. There is no...

I believe that the citation was a metaphor to emphasize what was written below. If you insist on understanding it literally than it is just wrong - time is not exactly the same as spatial dimensions...

I don't think so. Speculations about "fourth spatial dimension" were quite common in the time of Wells (almost as now). The Idea to put time to the same coordinate system as spatial coordinates was...