Einstein's theory of special & general relativity
Einstein's Theory of Special Relativity Einstein's equation E = mc2 shows that energy and mass are interchangeable The theory of special relativity explains how space and time are linked for objects that are moving at a consistent speed in a straight line. One of its most famous aspects concerns objects moving at the speed of light. Simply put, as an object approaches the speed of light, its mass becomes infinite and it is unable to go any faster than light travels. This cosmic speed limit has been a subject of much discussion i...