Quote:
Originally Posted by Shaun 84 Targa
From a practical perspective, what is the benefit to having c as a constant and time and space as variables in constructing our universe?
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c has been observed to be constant. Therefore, time and space must be variable.
But if you're asking what the universe would be like if this were reversed, I don't know. I think c would no longer define a speed limit. Also, gravity works at the speed of light, so this roll-reversal might alter the laws of gravity.
But let's look at Einstein's famous equation, E=mc^2. In the reversed situation, E and m are constants, so c must be, also. So the equation doesn't work. Umm, is Stephen Hawking lurking here on Pelican?
I have a feeling that if c were variable, then electrical forces, including those that hold atoms together, would cease to be, and the whole universe would vaporize. There's you benefit to having c as a constant.