Impact 3 (IMAGE) Rice University Caption Rice University graduate student Seyed Mohammad Sajadi and his colleagues built computer simulations of tubulane blocks, printed the designs as macroscale polymers and subjected them to crushing forces and speeding bullets. Credit Jeff Fitlow/Rice 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.