Mirian Velay-Lizancos Purdue (IMAGE) Purdue University Caption Mirian Velay-Lizancos, a Purdue assistant professor of civil engineering, has developed a process that improves upon the traditional method to incorporate phase change materials into construction materials. Credit (Purdue University photo/John Underwood) Usage Restrictions None License Original 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.