In the skies above the Weißenburgpark in Stuttgart, an illuminated ladder around eight metres high stretches up into the air. The rungs of Theinert’s »stairway to heaven« flash alternately, constantly changing its structure and creating a sense of chaos. The fashing rungs do not seem to have a fxed rhythm. If you focus your eyes on the light elements for long enough, however, it becomes clear that each individual bar turns on and off at regular intervals. The fact that the rungs all flash at different frequencies make the light look like it is dynamically moving up and down and transform this rhythm back into chaos. Theinert’s ladder of light rises up into a world of transcendence and moves further away from our bounds of perception with every fash.