Mindaugas Juodėnas (IMAGE) Kaunas University of Technology Caption Dr Mindaugas Juodėnas, one of the authors of the invention and a researcher at the KTU Institute of Materials Science Credit KTU Usage Restrictions None License Original 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.