THE SUBSTANCE OF SPACETIME: INFINITY NOTHINGNESS AND THE NATURE OF MATTER-ANDREW MARTIN RYAN PDF DOWNLOAD

Does Spacetime Exist?

If spacetime does not exist, it certainly does so in a curiously conspicuous way, not at all like other geometric abstractions. Consider this mindbender: spacetime does not exist at all, but it doesn't exist in the void even more than it doesn't exist in the universe. Is that the description of something that does not exist?

Relativity theory treats spacetime as a mathematical abstraction-a four-dimensional coordinate system analogous to the three dimensions of Cartesian geometry. It does not exist, per se. It is not a "thing" in any tangible sense. It merely serves as the background needed to describe the behaviors of the "real" things that exist within it. It is no more than the stage on which the cosmic drama plays out. That's the theory.

What if spacetime exist...