Boyce Chang, Martin Thuo, Michael Bartlett and Ravi Tutika (image) Iowa State University Share Print E-Mail Caption Iowa State engineers -- left to right, Boyce Chang, Martin Thuo, Michael Bartlett and Ravi Tutika -- helped develop and describe a new smart material. Here they examine an instrument used for mechanical testing of material properties. Credit Christopher Gannon/Iowa State University Usage Restrictions None Share Print E-Mail 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.