Nano-Sized Ribs (image) Brigham Young University Caption BYU professors are creating superhydrophobic surfaces by making wafers with these extremely small ribs that are one tenth the width of a human hair. The ribs cause the water to bead up and sit on the surface. Credit Courtesy Julie Crockett Usage Restrictions None 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.