Experiment: The art of making solid hydrogen >99.9% pure parahydrogen used in both Kyoto and Champaign-Urbana>99.9% pure parahydrogen used in both Kyoto and Champaign-Urbana Two methods of crystal growthTwo methods of crystal growth –Vapor Deposition –Crystallization from liquid from liquid Souers, P.,Hydrogen Properties for Fusion Energy, U of Cal., 1986.