Gliding Arc Plasmatron (IMAGE) Drexel University Caption Gliding arc plasmatron, developed at Drexel University, is being used to eliminate PFAS contamination from drinking 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.