(IMAGE) Institute of Science and Technology Austria Caption ISTA scientist and first author Juan Carlos Sobarzo shows a sample made of polydimethylsiloxane (PDMS). Credit © ISTA Usage Restrictions Free to use when reporting about ISTA 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.