A brief history of infinity

Where did the idea of infinity come from? Who were the people who defined and refined this paradoxical quantity? Why is infinity, a concept we can never experience or truly grasp, at the heart of science? How can some infinities be bigger than others? An exploration of one of the most mind-boggling features of maths and physics, this talk uncovers the amazing paradoxes of infinity and introduces the people who devised and refined the concept.