Cosmologist Ed Copeland puts a vase into our time capsule - and discusses string theory and friendships. Capsule playlist: http://bit.ly/nottscapsule More at http://www.test-tube.org.uk/capsule Ed is regular in our Sixty Symbols ad Numberphile videos. null null This film was shot and edited by James Hennessy. Test Tube is a project by video journalist Brady Haran for the University of Nottingham. More at http://www.test-tube.org.uk/