Biography of Issac Newton and Albert Einstein
Issac Newton Law of Gravity(history, applications, Examples and more)
Einstein Special Relativity(History, applications, Examples and more)
Einstein General relativity (History, applications, Examples and more)
Einstein Gravitational Idea versus Newtonian Gravitational Idea( History, applications, Examples and more)
Gravitational Lensing Galaxy (History, applications, Examples and more)
Photo Electric effect(History, Equations, Application)