geometrical optical illusions (page 6)
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geometrical optical illusions (page 6) |
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 To have the answer about each illusion : put the cursor on the picture and wait : a text will appear. |
| © Ophtasurf, 2000-2006 |
Does this illusion seem to dazzle you ??? |
What is strange in this picture ? |
This illusion seems to undulate |
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| © A.Kitaoka | © A.Kitaoka |
look at the center while bringing you closer or moving away you. |
look at the center while bringing you closer or moving away you. |
Is the central white square made of a white brighter than the background ? |
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| © A.Kitaoka | © A.Kitaoka | |||
This will require a little concentration of you : bring you closer and attentively fix the central black spot until make disappear the grey mass around |
There is one or two kind of orange here ? |
Which is the bigger table ? |
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| © Ophtasurf, 2000-2006 |
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