Fibre alignment (IMAGE) Aalto University Caption The nanocellulose fibres created by the bacteria are about a thousand times thinner than the width of a human hair. Credit Image: Luiz Greca 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.