Experimental lecture with Prof. Ferdi Schüth, Wolfgang Schmidt, and André Pommerin from the MPI für Kohlenforschung. Admission by registration only. The registration will be open from 1st of September on the website www.regler-produktion.de The event is free of charge and takes place only in good weather. The beer garden of the Freilichbühne Mülheim will be open from 6:00 pm and the MPI Band "Energy Converters" will play before the show. From 7:30 p.m., seats not taken will be given away until the capacity of the open-air stage is reached. The show starts from the onset of darkness (about 20:15).