Glass Spheres among Microhairs (IMAGE) Helmholtz Association Caption This shows glass spheres among microhairs that are mushroom-shaped to improve adhesive force. Credit (SEM: Michael Röhrig, KIT) 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.