Jacob Israelachvili and Matthew Gebbie, University of California - Santa Barbara (image) University of California - Santa Barbara Share Print E-Mail Caption Pictured are Jacob Israelachvili, UCSB professor in the Departments of Chemical Engineering and Materials, left, and graduate student researcher Matthew Gebbie. Between them is the surface forces apparatus, used to measure the interactions between ions in ionic liquids. Credit UCSB Usage Restrictions None 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.