Launch UNCG Reverse Pitch (IMAGE) University of North Carolina at Greensboro Caption Hemali Rathnayake, Ph.D. is a professor of nanoscience in UNCG's Joint School of Nanoscience and Nanotechnology. Credit Sean Norona, University Communications Photographer Usage Restrictions No Restrictions 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.