3-Dimensional Carbon Goes Metallic (IMAGE) Virginia Commonwealth University Caption This shows 3-D metallic carbon with interlocking hexagons. Credit Figure courtesy of Qian Wang, Ph.D. 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.