Hermann grid and scintillating grid illusion. In the left figure grey blobs perceived at the intersections.

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Hermann grid and scintillating grid illusion. In the left figure grey blobs perceived at the intersections. In the right figure dark dots seem to appear and disappear rapidly, hence scintillating.

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Size: 9000px × 4680px
Photo credit: © Peter Hermes Furian / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, black, blob, dark, disappear, dot, education, effect, geometrical, geometry, grey, grid, hermann, illusion, illusions, illustration, intersection, optical, perceived, psychology, relative, row, science, scintillating, symbol, visual, white