Desalination breakthrough (IMAGE) University of Texas at Austin Caption The density of filtration membranes, even at the atomic scale, can greatly affect how much clean water can be produced. Credit Enrique Gomez/Penn State Usage Restrictions Embargoed until 2 p.m. Eastern, 12/31 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.