Electrode on a Chip (IMAGE) Purdue University Caption This small chip holds a 2-D electrode with a shape that can better stimulate small targets in the body over time. 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.