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:
“The present age ... prefers the sign to the thing signified, the copy to the original, fancy to reality, the appearance to the essence ... for in these days illusion only is sacred, truth profane.”
—Ludwig Feuerbach (1804–1872)
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