Second of our Black Hole specials - this time it is supermassive black holes at the centres of galaxies. Featuring Michael Merrifield, Meghan Gray and Omar Almaini from the University of Nottingham. Playlist (and more to be added soon): http://bit.ly/Black_Hole_Videos Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com Email list: http://eepurl.com/YdjL9