Penn State researchers (IMAGE) Penn State Caption Penn State researchers, from left Bed Poudel, research professor, and Sumanta Kumar Karan, postdoctoral scholar, both in the Department of Materials Science and Engineering; and Sujay Hosur, doctoral candidate, and Mehdi Kiani, associate professor, both in the School of Electrical Engineering and Computer Science, show a new device that can harvest energy from magnetic field and ultrasound sources simultaneously, converting this energy to electricity that could power the next generation of implantable biomedical devices. Credit Provided by Bed Poudel Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.