Precision Engineered (IMAGE) Hiroshima University Caption Thanks to Hiroshima University researchers, we no longer need to rely on simple chemical bonds to determine polymer materiality. Credit Takeharu Haino 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.