On Vision and Colors are, however, nonessential properties that differ according to the type of light-refracting substance that is used. The top of the upper image is violet. Below the violet is blue. The bottom of the lower image is orange. Above the orange is yellow. In this way, along with the white disk and the black background, four prismatic colors appear: violet, blue, yellow, and orange. This is in disagreement with Newton's claim that there are seven prismatic colors. As the upper image overlaps black, it is seen as violet. Where it overlaps white, it is seen as blue. As the lower image
In the Beginning There Was Light In the Beginning There Was Light In The Beginning There Was Light is a documentary film by Austrian director P. A. Straubinger on the subject of inedia. Straubinger visits several people who supposedly nourish themselves with "light" and tries to find possible explanations on how inedia might work. Straubinger researched inedia for ten years. This led to the film's production, which took five years. The film premiered on May 13, 2010 at the Marché du Film. P.A. Straubinger first encounters inedia in a television documentary about Nicholas of Flüe, a 15th-century ascetic who was reported to have lived 19 years