Metamaterial Field (IMAGE) Duke University Caption The width, height and spacing of the cylinders depicted here dictates how the metamaterial described in the new paper absorbs electromagnetic energy. Credit Kebin Fan, 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.