Image of van der Waals thin film (IMAGE) University of California - Los Angeles Caption The layered patchwork design of van der Waals thin films enables the membrane to stretch and flex over irregular geometries. Credit Yan et al./UCLA Usage Restrictions none 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.