A 3-Atoms-Thick Membrane (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Reproducing the conditions that occur at estuaries, EPFL scientists shined light on a system combining water, salt and a membrane just three atoms thick to generate more electricity. Credit EPFL 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.