Gallery Image 1 (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A researcher holds a fabricated slim-film capacitor near a dielectric measuring system, which tests how well the capacitor stores or conducts an electrical charge. Credit Marilyn Sargent/Berkeley Lab Usage Restrictions N/A 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.