Engineers often treat impurities as a problem to eliminate to improve material performance. But new research from Osaka Metropolitan University and Fraunhofer Institute for Mechanics of Materials IWM suggests that in some cases, a little chemical messiness is exactly what helps materials slide m...
Source: [Phys.org](https://phys.org/news/2026-06-chemical-impurities-carbon-surfaces-superslippery.html)