Creating Surfaces that Repel Water and Control Its Flow (image) American Chemical Society Share Print E-Mail Caption Repelling water droplets and controlling their flow depends on water maintaining its spherical shape. Watch this Headline Science video. Credit American Chemical Society. Usage Restrictions Please credit the American Chemical Society. Share Print E-Mail 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.