Stephen Sofie, Montana State (IMAGE) Montana State University Caption Montana State mechanical engineering professor Stephen Sofie demonstrates the freeze-casting process his MSU team will scale up and refine in order to make special membranes that could convert carbon dioxide into useful products. Credit MSU Photo by Adrian Sanchez-Gonzalez Usage Restrictions Free for republish with appropriate credit: MSU Photo by Adrian Sanchez-Gonzalez 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.