Seeing Corners (VIDEO) University of Wisconsin-Madison This video is under embargo. Please login to access this video. Caption University of Wisconsin Researchers do non-line of-sight imaging by using indirect, reflected light, a light echo of sorts, to capture images of a hidden scene. Credit UW-Madison 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.