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 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.