Suresh Garimella and Brian D. Iverson (IMAGE) Purdue University Caption Purdue's Brian D. Iverson, from left, a mechanical engineering doctoral student, and mechanical engineering professor Suresh Garimella use a microscope to examine a disk containing Credit Purdue News Service photo/David Umberger Usage Restrictions None 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.