The secret of CNF (IMAGE) University of Tokyo Caption An artist’s interpretation of the way natural cellulose fibers are combined to form the CNF yarn, and a magnified section showing the nanoscopic rod-shaped filaments within the yarn bundle. Credit ©2022 Junichiro Shiomi Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.