Plasma Vortex (IMAGE) Drexel University Caption Using a gliding arc plasmatron, Drexel University researchers can create a vortex of cold plasma with enough energy to break apart PFAS compounds in water. Credit Drexel University 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.