E=mc2 Explanation: The equation E = mc2 means "energy equals mass times the speed of light squared." It shows that energy (E) and mass (m) are interchangeable; they are different forms of the same thing.Simply put, the speed of light (c) is the fastest velocity at which an object can travel in a vacuum. Read Article about E=Mc2 in Tamil : https://thinktanktamil.wordpress.com/2021/06/12/emc2 This Video includes: 1.Story of E=mc2 2.Simplest Explanation of that equation Referred videos: https://www.youtube.com/watch?v=jXun9YNeVvA https://www.youtube.com/watch?v=hRZirXr_J9Q Referred Book : E=mc2 Biography of world popular equation