Blinking Nanocrystals (IMAGE) Rutgers University Caption The arrows point to titanium dioxide nanocrystals lighting up and blinking (left) and then fading (right). Credit Tewodros Asefa and Eliska Mikmekova 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.