Goethes Purple Ray alias Monochromatic Rays of Shadow, the Rehabilitation of Darkness

Based on J. W. Goethes ideas on complementarity, put forward in his Farbenlehre, the possibility of a perfect inversion of Isaak Newtons Experimentum Crusis is experimentally demonstrated. Obs There is also available a German and a Swedish version of this video. Read more about how it was made and detailed explanations of the phenomena shown at I also recommend you to take a look at the continuation of experiments with inverted spectra, splitting up a monochromatic green ray into a cyan and a yellow ray, at