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The café wall illusion is an optical illusion,

The café wall illusion is an optical illusion, first described by Doctor Richard Gregory. He observed this curious effect in the tiles of the wall of a café at the bottom of St Michaels Hill, Bristol. This optical illusion makes the parallel straight horizontal lines appear to be bent. To construct the illusion, alternating light and dark bricks are laid in staggered rows. It is essential for the illusion that each brick is surrounded by a layer of mortar.
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Title:
The café wall illusion is an optical illusion,
Caption:
The café wall illusion is an optical illusion, first described by Doctor Richard Gregory. He observed this curious effect in the tiles of the wall of a café at the bottom of St Michaels Hill, Bristol. This optical illusion makes the parallel straight horizontal lines appear to be bent. To construct the illusion, alternating light and dark bricks are laid in staggered rows. It is essential for the illusion that each brick is surrounded by a layer of mortar
Credit:
Album / World History Archive
Releases:
Model: No - Property: No
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Image size:
2408 x 1888 px | 13.0 MB
Print size:
20.4 x 16.0 cm | 8.0 x 6.3 in (300 dpi)
Keywords:
BLACK • CAFE • ILLUSION • LINES • OPTICAL • OPTICS • PERCEPTION • SCIENCE • WALL • WHITE