Glacier in a Freezer (IMAGE) Iowa State University Caption Iowa State University's Neal Iverson -- with assistance from Terry Herrman of the Ames Laboratory -- designed this glacial sliding simulator. Iverson has used the laboratory device since 2009 to help him study glacier movement. Credit Photo by Christopher Gannon/Iowa State University. 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.