Atomic modeling (IMAGE) Iowa State University Caption Iowa State's Kun Luo displays the kind of model he creates to illustrate the atomic structures of materials. In this case, he's showing an atomic model of a diamond. Credit Photo by Christopher Gannon/Iowa State University. Usage Restrictions None 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.