Illusions observed outdoors

Access since October 17, 2004

"The scintillating grid illusion in a cloth pattern"

Illusory black spots appear to scintillate in the circles at the crosses of the grating.

May 7, 2004

"The Hering grid illusion in a shoji"

Illusory white spots appear at the crosses of the grating of the shoji.

April 2, 2004

"Op effect on the top of a manhole"

The top of a manhole appears to scintillate.

"The Cafe Wall illusion from Russia"

The gray lines are actually parallel but do not appear so.

These are pictures of a staircase floor of Alexey's office, Nizhny Novgorod, Russia.
(c)Alexey Tsaryov 2003

Cafe Wall illusion

"The Jastrow illusion in Shijo Karasuma*"

*Shijo Karasuma is the economic center of Kyoto

The lower arc appears to be larger than the upper one though they are of the same size.

"The Poggendorff illusion at the Takaoguchi stop"

The straight bars (see below) appear to be nonaligned.

Copyright A.Kitaoka 2003

"The approaching tram"

The tram appears to approach you.

Copyright A.Kitaoka 2003

"Clouds on the Nijo-jo castle"

Clouds sometimes appear to move slightly.

Copyright A.Kitaoka 2003

"Oblique lines on a road"

Oblique lines drawn on the road appear to move upward or downward.

Copyright A.Kitaoka 2003

"An ascending building"

The high building appears to go up, particularly when seen in peripheral vision. This town is Kobe, a port town.

Copyright A.Kitaoka 2003

"The Seto-ohashi bridges"

When observers see the bridges, the leftmost dark wall appears to move leftward.

Copyright A.Kitaoka 2003

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