Surface roughness at the nanoscale alters light scattering, heat transfer, and fluid flow

https://collinrlpe905.overblog.fr/2026/10/beyond-aesthetics-matter-surfaces-flooring-durability-tests.html

Surface roughness at the nanoscale alters light scattering, heat transfer, and fluid flow, enabling engineered matter surfaces that tailor optical gloss, drag, and thermal emissivity.