Rail Defect-Detection Prototype (IMAGE) University of California - San Diego Caption UCSD researchers in March 2006 successfully detected internal defects and surface cuts with a prototype vehicle at a test track in Gettysburg, PA. Credit UCSD Jacobs School of Engineering Usage Restrictions Credit: UCSD Jacobs School of Engineering 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.