Well a dimension to me would be the various parts of what something is made of. Space is made of height, width, and depth. Time is hard to explain for me but I understand the concept. I see how we group the two together, but that would also imply that matter is a byproduct of space and time. I...
Is it possible that the speed of light exists because we cannot move faster than our particles? I.e. the speed of electrons that create the electromagnetic force that hold matter together.