Nanotubes 1 (IMAGE) University of Cincinnati Caption UC graduate student Mark Haase demonstrates the conductivity of carbon nanotube fiber in a battery-powered light. Credit Joseph Fuqua II/UC Creative Services 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.