Carbon Nanotubes and Water Droplets (IMAGE) University of Pittsburgh Caption An illustration shows the wetting behavior of carbon nanotubes, which both repel water and hold it in place. Credit University of Pittsburgh 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.