Do you really understand Einstein’s theory of relativity? - BBC News

Almost everyone has heard of Albert Einstein, the Nobel prize-winning genius whose theories overturned centuries of scientific thought. But how much do you understand the work that made him really famous – his theory of general relativity? Here, we talk you through the science that changed the way we understand the universe. Video production: Kako Abraham and Camilla Costa Editor: Carol Olona Voice: Claire Press Please subscribe HERE http://bit.ly/1rbfUog