Vibrations of a Strained Phononic Crystal (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Vibrations of a strained phononic crystal. Credit WoogieWorks Usage Restrictions Non-commercial 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.