JunZhu Video (VIDEO) Penn State This video is under embargo. Please login to access this video. Caption Dr. Jun Zhu, professor of physics, explains the waveguides her team creates in 2D graphene with an eye to expanding electronics beyond silicon. An animation of color coded cars explains how electrons can be directed through the waveguides with precision. Credit Materials Research Institute, Penn State Usage Restrictions Non commercial use only 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.