Strontium-Calcium Ruthenate (IMAGE) Drexel University Caption Drs. James Rondinelli and Danilo Puggioni, researchers in Drexel's College of Engineering, have theoretically predicted the existence of a polarized metal chemically termed strontium-calcium ruthenate and are working with experimental groups to produce the compound in a laboratory. Credit Drexel University/Materials Science Engineering 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.