Articles related to "Equivalence Principle"

When Albert Einstein first realized that gravitational mass and inertial mass were the same thing, the resulting thoughts led him to expanding the theory of relativity.

In essence, Einstein's General Theory of Relativity was an entirely new theory of gravity, replacing the centuries-old theories of Isaac Newton.

While many physicists would have believed it to be impossible, Albert Einstein's prediction that light could be bent by gravity acted to change the course of physics.