Polymer Response to Mechanical Stress (image) Hokkaido University Share Print E-Mail Caption The newly developed polymer switches on and off its fluorescence responding to mechanical stress. Credit Copyright Hokkaido University Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. Share Print E-Mail 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.