Photo 1 (IMAGE) National Research Council of Science & Technology Caption Researchers Jung Unho, Koo Kee Young, Park Youngha from the right Credit KOREA INSTITUTE OF ENERGY RESEARCH (KIER) Usage Restrictions The sources of photos and research results from KIER must be specified. 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.