Professor Philip Moriarty talks about his favourite drink and his favourite scientific image... The similarities between coffee and quantum mechanics. More on the quantum corral by Crommie, Lutz and Eigler: http://www.sciencemag.org/content/262/5131/218.abstract Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/#!/periodicvideos This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Sixty Symbols videos by Brady Haran