Honeycomb Structure (1 of 3) (IMAGE) King Abdullah University of Science & Technology (KAUST) Caption A transmission electron microscopy (TEM) image shows that the spherical compartments are interconnected through nanochannels. Credit © S. Nunes 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.