Building evaluator tool in DC (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL researcher Nolan Hayes uses the real-time building evaluator to provide builders with precise panel installation measurements to speed up the construction of a two-story building on the National Mall before the start of the U.S. Dept. of Housing and Urban Development’s Innovation Housing Showcase. Credit Diana Hun, ORNL/U.S. Dept. of Energy 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.