what was einstein invention
As a physicist and mathematician, Einstein wasn't an inventor in the vein of Thomas Edison or Alexander Graham Bell, but his theories of relativity led to new ways of looking at time, space, matter, energy and gravity. Television is a practical application of Einstein's theory of light. 2  The special theory of relativity. 3  Einstein explained that time and motion are relative to their observers -- as long as the speed of light remains constant and natural laws are the same throughout the universe. 4  The link between mass and energy.