Photo 2 (IMAGE) The Korea Advanced Institute of Science and Technology (KAIST) Caption Photo 2. Professor Himchan Cho, Department of Materials Science and Engineering Credit KAIST Next-Generation Optoelectronic Nanomaterials Laboratory Usage Restrictions N/A 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.