The science exhibition »Pretty Porous — Alles Porös« enables examples from biology, technology and the environment to provide insights into the world of porous media and shows how current research makes the invisible visible. The exhibition of the Collaborative Research Center 1313 at the University of Stuttgart is a cooperation with the Reallabor Space Sharing at Stuttgart State Academy of Fine Arts with the Cluster of Excellence EXC 2075 from the University of Stuttgart and will be exhibited in the spectral hall of the Stuttgart Planetarium.