artificial muscle (IMAGE) Penn State Caption Abdon Pena-Francesch, lead author of the paper and a former doctoral student in Demirel's lab (NOW STARTING HIS OWN GROUP IN UNIVERSITY OF MICHIGAN). Credit Demirel Lab, Penn State Usage Restrictions non commercial use only 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.