Adaptable Materials on-Demand (IMAGE) U.S. Army Research Laboratory Caption Dr. Frank Gardea, a research engineer with the US Army Research Laboratory's Vehicle Technology Directorate, collaborates with the University of Maryland to developed a technique that causes a composite material to become stiffer and stronger on-demand when exposed to ultraviolet light. Credit US Army photo by David McNally Usage Restrictions None 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.