Watch this video to understand the biggest idea in physics

Over the course of November 1915, the German physicist Albert Einstein gave a series of lectures in which he presented his theory of general relativity.

Einstein's ideas explain one of the biggest questions in science but it is also famously hard to understand. So Pierangelo Pirak and Melissa Hogenboom sat down with astrophysicist Adam Becker. Over the course of five minutes Adam explained the whole thing.