Fastener with microscopic mushroom shapes (IMAGE) American Institute of Physics Caption A fastener with microscopic mushroom shapes could be as strong as Velcro but with less noise and less damage to other fabrics, researchers say. Credit Preeti Sharma Usage Restrictions Journalists may use this image only with appropriate credit. 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.