NCEM (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Scanning transmission electron microscope (STEM) tomography reconstruction experiments at the Molecular Foundry revealed continuous 2D nanosheets folded at a sharp angle. Credit Emma Vargo et al./Berkeley Lab. Image courtesy of Nature Usage Restrictions None License Original 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.