STRENGTH 1 (IMAGE) Rice University Caption Rice University researchers modeled the relationship between the length of carbon nanotubes and the friction-causing crosslinks between them in a fiber and found the ratio can be used to measure the fiber's strength. Credit Illustration by Evgeni Penev/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.