1. Materials Ireland Polymer Research Centre, Department of Physics, Trinity College Dublin, Dublin 2, Ireland, Department of Physics and Astronomy, Clemson University, Clemson, South Carolina 29634, University of Texas at Dallas, NanoTech Institute, Richardson, Texas 75080, Accelrys Inc., 9685 Scranton Road, San Diego, California 92121-3752, Groupe de Dynamique des Phases Condensées, Université de Montpellier II, 34095 Montpellier cedex 05, France, Laboratoire de Résonance Magnétique Nucléaire, Facultes...