CleverlySmart › Physics › E=MC2 E=MC2 (E=mc²): Einstein’s Mass–Energy Equivalence Explained E=MC2 (often written E=mc²) is the famous result from Albert Einstein’s special relativity showing that mass and energy are two forms of the same physical quantity. In plain terms: even a small amount of mass corresponds to a huge amount of energy. What it … Continue reading E=MC2 | How did Albert Einstein found the E=mc² formula?