Light Paths (2 of 2) (IMAGE) Vienna University of Technology Caption Simulation results for light paths in circular areas with different degrees of opacity. Light comes in from the left with many different injection angles. Image credit: Romain Pierret & Romolo Savo. Credit TU Wien 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.