Xiayun Zhao and Albert To in the Lab (IMAGE) University of Pittsburgh Caption Xiayun Zhao, PhD, assistant professor of mechanical engineering and materials science, (left) and Albert To, PhD, associate professor of mechanical engineering and materials science, hold up a 3D printed turbine component in the lab. Credit University of Pittsburgh 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.