A Faster iPhone? (IMAGE) University of Iowa Caption University of Iowa chemists have learned about a molecular assembly that may help create quicker, more responsive touch screens, among other applications. The researchers report the interfacial layer -- when molecules interact with a surface -- of electrically charged fluids called ionic liquids is thicker than previously realized. Credit Tim Schoon, University of Iowa 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.