Photoconductive Atomic Force Microscope (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Berkeley Lab researchers Francesca Toma (left) and Johanna Eichhorn used a photoconductive atomic force microscope to better understand materials for artificial photosynthesis. Credit Marilyn Chung/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.