I'm curious to know how you feel about the variances in recordings of the speed of light over the years and the strong evidence that it is not a constant after all.
That's something I'm not yet aware of, do you have specific source that you might be referring to so I can check it out? Not that I can't google that, I'd just prefer to start with what you have found interesting already.
RE: The Tao of Paradox | Part 1: The Only Thing I Know For Sure