BNNT 2 (IMAGE) Rice University Caption Rice University scientists analyzed the motion of single boron nitride nanotubes. The nanotubes are stable semiconductors and excellent conductors of heat. They could be useful as building blocks for composite materials or in biomedical studies. Credit Jeff Fitlow/Rice University 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.