geometrical optical illusions (page 1)
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geometrical optical illusions (page 1) |
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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 | ||||
What do you see between the squares? Grey? |
What is the longest line ? |
Which red round is larger ? |
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What is the longest line ? |
Which round is bigger ? |
Which is the longest bar ? The left one ? |
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Which red segment on the left is aligned with the right one ? |
Which square is bigger ? |
Fix well the center of the image while approaching you or while moving away you from your screen. A surprising effect will occur... |
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| Baingio Pinna | ||||
| © Ophtasurf, 2000-2006 | ||||
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