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Thanks for the question and the link.

My sense is that being able to move through other dimensions (specifically a fourth spatial dimension) and into/out of our 3 space happens ‘superluminally’ since it’s more or less instant. The speed of a particle in 3 space has no dependence on its speed in the 4th dimension (by analogy with flatland - the speed at which a particle on the plane moves out of the plane).

No reason to assume the 4th dimension is constrained by the speed of light. I guess I don’t know enough about Bell’s inequalities and entanglement (yet! Will look forward to reading more) but I think that might help. A fourth spatial dimension is both local and nonlocal (it affects particles at all points in 3 space but isn’t constrained by 3 space). And it makes sense that it shows up only when we get down into the fabric of 3 space (subatomically) since...honestly am still trying to figure that out.

Is our 3 dimensional “flatland“ hurling through 4 space really fast? Are we suspended like with a magnet on both sides of our flatland, holding particles in place - except for leptons and photons which can oscillate above and below the plane?

Is the many worlds hypothesis true? Do we mostly move through 4 space on an arrow of time? And there’s a clear inertia there. But at the edges we can move through other 3 spaces? Why is there such inertia? How do we not be totally bound by it and move without its constraints?



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