Nanotubes 3 (IMAGE) University of Cincinnati Caption The carbon fibers can be spooled into strong, conductive thread. Like spider silk, it is stretchy and strong. 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.