No one can do that. Only very few people know about Theory of Relativity. You can do some research and find about it in Youtube. As per I know theory of relativity explains all the things in the universe. Everything is relative like speed of sound is fast compared to human but too slow as compared to light.

Theory of relativity explains about light, gravity and all the natural phenomena of the universe.

I may be right or wrong, but basic principle is like this !