Kanizsa Triangle - 1st explained by the Italian psychologist Gaetano Kanizsa in 1955, this renowned illusion has a white, equilateral triangle that is apparently obscuring three, black circles along with the define of another equilateral triangle. Phi Phenomenon - In his Experimental Scientific studies within the Viewing of Movement, https://illusionofkundunmuonline46654.blogdigy.com/not-known-factual-statements-about-illusion-of-kundun-mu-online-54105354