Measuring surface tension (IMAGE) Optica Caption The researchers used the new sensor to measure the surface tension of a liquid by measuring the retraction force when a miniature cylinder was removed from water (left) and isopropyl alcohol (right). Credit Denis Donlagic, University of Maribor 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.