Science Today

  General theory of relativity is a specialised theory by Albert Einstein which is a modifeied form of Special theory of relativity. Einsteins special theory of relativity does not explain the phenomena of physics gravitation which is one of the prominant fundamental interaction of universe from out of four fundamental interaction like strong force, weak force, electromagnetic force and gravitation. In order to explain gravitation Einstein incorporate it into special theory of relativity and proposed a new theory is called General theory of relativity.