Xiayun Zhao, PhD (IMAGE) University of Pittsburgh Caption Xiayun Zhao, assistant professor of mechanical engineering and materails science, University of Pittsburgh Swanson School of Engineering Credit Swanson School of Engineering Usage Restrictions No restrictions. License Public Domain 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.