Boron-Arsenide Crystal (IMAGE) University of Houston Caption Scientists have reported growing a crystal created from boron and arsenic, with a thermal conductivity more than twice that of copper. Credit University of Houston 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.