researcher (IMAGE) Rice University Caption Soumyabrata Roy is a Rice University postdoctoral research associate in materials science and nanoengineering and the study’s lead author. Credit (Photo by Gustavo Raskosky/Rice University) Usage Restrictions Must credit Gustavo Raskosky/Rice University. 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.