Carla Ng, University of Pittsburgh (IMAGE) University of Pittsburgh Caption This is Carla Ng, assistant professor of civil and environmental engineering at the University of Pittsburgh Swanson School of Engineering. Credit Swanson School of Engineering 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.