Wave Interacting Metamateral (IMAGE) Duke University Caption Experiments and simulations show that the 3-D printed cubes interact with electromagnetic waves 14 times more strongly than their 2-D counterparts. Credit Duke 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.