Samples (IMAGE) Florida State University Caption Photos of asphalt binder before and after being exposed to water and a solar simulator for a week. Credit Credit: Sydney Niles Usage Restrictions The image may only be used with appropriate caption or 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.