Piece of Solid Metal (image) Purdue University Caption This frame from a high-speed camera sequence reveals surprising behavior in a solid piece of metal sliding over another. The research is providing new insights into the mechanisms of wear and generation of machined surfaces that could help improve the durability of metal parts. A publication-quality image is available at https://news.uns.purdue.edu/images/2012/chandrasekar-metals.jpg Credit N. Sundaram and Y. Guo Usage Restrictions None 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.