The Grand Unification: A Theory of Everything

The Theory of Everything is a hypothetical concept in physics that strives to be the ultimate explanation of the universe. It would be a single, all-encompassing theory that seamlessly unifies the fundamental forces: gravity, electromagnetism, and the strong and weak nuclear forces. This TOE would describe how these forces interact with all particles, explaining everything from the tiniest subatomic building blocks to the vast expanse of the cosmos. While physicists haven't achieved this grand theory yet, the journey to find it has led to many breakthroughs in our understanding of the universe.

[Tony_Alan_Ratliff]

The difference between these two is time/mass