Hydrogen (2 of 2) (IMAGE) Rice University Caption A scanning electron microscope image shows a flake of the two-dimensional electrocatalyst developed at Rice University. The material made of a transition metal and sulfur proved able to extract hydrogen from water with high performance and low cost. Credit Yakobson Group/Rice University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.