WS2 Membrane (IMAGE) University of Pennsylvania Caption Researchers identify ultra-fast gas flows through atomic-scale apertures in 2D membrane and validate a century-old equation of fluid dynamics. Credit N Hassani & M N-Amal, Shahid Rajee University Usage Restrictions Please include appropriate credit 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.