Grid Illusion

A grid illusion is any kind of grid that deceives a person's vision. The two most common types of grid illusions are the Hermann grid illusion and the scintillating grid illusion.

Read more about Grid Illusion:  Hermann Grid Illusion, Scintillating Grid Illusion, Differences Between The Scintillating and Hermann Grid Illusions, Theories

Famous quotes containing the word illusion:

    There can be no greater error than to expect, or calculate, upon real favors from nation to nation. It is an illusion which experience must cure, which a just pride ought to discard.
    George Washington (1732–1799)