Tuning the luminescence (VIDEO) Tokyo University of Science This video is under embargo. Please login to access this video. Caption Mechanism of changing of light emission color induced by proton flow. Credit Dr Makoto Tadokoro 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.