(IMAGE) Karlsruher Institut für Technologie (KIT) Caption Analysis of a hole in a hexagonal structure: external forces strongly deform the structure, the structure is unstable. By means of the new construction method, this error can be reduced strongly. Credit Figure: T. Bückmann 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.