Robot Scans (IMAGE) University of Missouri-Columbia Caption When inside the structure, the robot takes multiple scans using LIDAR that takes up to 500,000 point measurements per second. In this 3-D map the floor is identified by blue, the ceiling by green and the vertical walls by red, cyan and magenta. Credit Photo courtesy of Ye Duan. 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.