Metamaterial (IMAGE) Karlsruher Institut für Technologie (KIT) Caption The metamaterial printed with the new system consists of a complex three-dimensional lattice structure on the micrometer scale. Credit Photo: Vincent Hahn, KIT 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.