Fernando Martin explains a bit of history about the 2013 Nobel Prize in Chemitry, which laurates three computational chemists (Martin Karplus, Michael Levitt, Arieh Warshel) for the development of multiscale models for complex chemical systems, and explains how experiments can also be carried out in supercomputers.
http://sociedad.elpais.com/sociedad/2013/10/15/actualidad/1381861303_352105.html