graphene health device (IMAGE) Penn State Caption Huanyu "Larry" Cheng, Dorothy Quiggle Career Development Professor in Penn State's Department of Engineering Science and Mechanics, is leading research on flexible graphene devices made with lasers, like the wearable pressure sensor shown here. Credit Huanyu Cheng, Penn State Usage Restrictions non commercial use only 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.