Flask (IMAGE) King Abdullah University of Science & Technology (KAUST) Caption Hadjichristidis and his team found that using catalyst switching saves time and avoids the risk of any contamination of the polymer. Credit © 2019 KAUST 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.