We know that time is not an existent entity. It is a measuremental concept behind all experiences of existent physical processes. But measurement is always by conventional scales. Can we then measure photonal velocity as a constant like the constants of proportionality in physics? Can light be of constant velocity if no constant of proportionality exists that makes it constant?

I know that you will now ask what the meaning of such a question would be! The constancy of the velocity of light is bound to experiments within this universe, that too in this phase of the universe.

If the amount of matter-energy in the big bang (or even at the bang of a certain amount of matter-energy within a region of the universe) is, let us say, A, then the highest transportation speed would be fixed by the first propagations that arise from the big bang at issue.

That region of the universe or our big bang universe as such has produced a maximal velocity at the start of its phase of expansion, and this limit cannot be overcome by any other propagation within that region or universe. This is a very pragmatic fact, and not a theoretical limit of all propagations in the universe!

There can be another region of our big bang universe or another phase (say, another phase of expansion, or its contraction phase), where the amount of matter-energy directly available for work is less.

The amount of energy here is, say, B -- for causal reasons determined by the amount of matter-energy available for work, due to its exteriorizing some energy during the previous phases of evolution. This will naturally result in the causal determination of the maximal photonal (or any other) velocity being limited to another amount. This is simply because of the difference of density due to the difference in the amount of matter-energy.

If not, we may admit at least that there will be speed values A, B, C, etc. in a finite number of times, and then there will be another level, determined by, say, speed values F, G, H, etc., where the propagation velocity would be lower or higher.

This is for me a solid argument to keep our minds open to accept that (1) the speed of light need not be a constant for all regions of the universe or for all universes, (2) in this case some universes may have superluminal velocities, (3) these propagations will surely enter some universes other than the one/s in which they were produced, and (4) it is extremely difficult to detect them in our universe. But this need not mean in-existence of superluminal velocities.

Can we now say that there will be a general constant of proportionality between possible forms of source-independent (source-independent with respect to objects in their own universes) propagations? If this is imaginable, it can really be called a constant. How can the this-worldly luminal velocity be a constant beyond our universe or our cluster of universes, where its velocity of propagation was determined causally by the available amount of matter-energy at the bang?

I have discussed this in two of my books (2014, 2018), the latter being more general than the earlier. I have also questioned the universality of the Lorentz Factor in the Special Theory of Relativity. The background of reasoning behind these arguments is that of reading various books on the velocity of light during my school days.

I would be pleased to get open-minded reactions on this question.

Raphael Neelamkavil

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