Researcher : Dr. Lee, Ji-yeong in KERI (IMAGE) National Research Council of Science & Technology Caption Researcher : Dr. Lee, Ji-yeong in KERI Credit Korea Electrotechnology Research Institute(KERI) Usage Restrictions The sources of photos and research results from KERI must be specified. 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.