Turbulence in oceans, in the atmosphere or in industry is billions of times stronger than in lab experiments. Simply upscaling the lab results is not an option. Theoretically, however, there is a regime of turbulence in which scaling laws apply. Researchers of University of Twente succeeded in reaching this ‘asymptotic ultimate regime’ of turbulence by introducing roughness at the surface at which turbulent liquid flows. They present their findings in Nature Physics of February 12.