The Hermann grid illusion is an optical illusion reported by Ludimar Hermann in 1870. The illusion is characterized by "ghostlike" grey blobs perceived at the intersections of a white (or light-colored) grid on a black background. The grey blobs disappear when looking directly at an intersection.
Read more about this topic: Grid Illusion
Famous quotes containing the word illusion:
“No illusion is more crucial than the illusion that great success and huge money buy you immunity from the common ills of mankind, such as cars that won’t start.”
—Larry McMurtry (b. 1936)
Related Phrases
Related Words