Roberto Di Leonardo, András Búzás, Lóránd Kelemen, Dávid Tóth, Szilvia Z. Tóth, Pál Ormos, Gaszton Vizsnyiczai. "Active billiards: Engineering boundaries for the spatial control of confined active particles." Proceedings of the National Academy of Sciences, 2025. doi:10.1073/pnas.2426715122