Fractal Electrode Shape on Monitor (IMAGE) Purdue University Caption The fractal electrode shape, as seen from under a microscope, outperforms conventional circular or rectangular electrode shapes. Credit Purdue University image/Kayla Wiles 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.