Au-PS 3D Pattern (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Using microscopes at Berkeley Lab's Molecular Foundry, a world-leading user facility in STEM tomography, Ting Xu and her research team captured crystalline 3D patterns of gold-polystyrene nanoparticles. Credit Berkeley Lab 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.