A View of the Decorated Window (IMAGE) American Institute of Physics Caption In Applied Physics Letters, researchers discuss a layered glass material they developed that allows for efficient sound transmission with no air ventilation. This image is a view of the decorated window: The entire structure is made of glass, making it optically transparent. Credit Xihan Tan Usage Restrictions Journalists may use this image only with appropriate credit. 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.