Bochum researchers (IMAGE) Ruhr-University Bochum Caption Steffen Becker (on the left) and Endres Puschner develop methods to identify manipulations on chips. Credit RUB, Marquard Usage Restrictions The image may only be used for reporting about the research done by Steffen Becker at Ruhr University Bochum. 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.