About the author FRANCIS C. MOON is a professor at Cornell University in the Sibley School of Mechanical and Aerospace Engineering. He served as Director of this school for five years and was also Chairman of the Department of Theoretical and Applied Mechanics. He is an Associate Editor of the journal, Chaos, and the author of Magneto-Solid Mechanics and a forthcoming book, Superconducting Levitation and Bearings. Dr. Moon received his PhD in theoretical and applied mechanics at Cornell University and taught for seven years at Princeton University before returning to Cornell. In addition to his many published papers in chaos, Dr. Moon has lectured at over 60 universities in North America, Europe, and Asia, and given numerous short courses in chaos and fractals to several corporations and government laboratories. His chaos experiments have also appeared on the PBS program, "Nova."