Luminescent Polymers (IMAGE) Hokkaido University Caption Ball-milling the mixture of polystyrene and pre-fluorescent radical reactants yielded luminescent polymers. Photos show the mixture before (left) and after (right) the reaction, under UV light. (Koji Kubota et al., Angewandte Chemie International Edition. May 14, 2021) Credit Koji Kubota et al., <em>Angewandte Chemie International Edition</em>. May 14, 2021 Usage Restrictions These images are copyrighted and can be used for reporting this research work without acquiring permission if credited as instructed. 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.