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Home /
Puzzle Playground /
Illusions / |
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To demonstrate this illusion make a simple
device. Its two sides are shown in Figure 1.
Figure 2 will help you to draw the exact patterns on the both sides,
or you may use our
Print 'n' Play PDF Version for this.
Take the device in such a way that to hold the pieces of string
between your fingers as shown in Figure 4. Now turn the pieces of
string very quickly to make the rectangle turning (place the cursor
over the figure 4 to see this motion).
How do you think, what image will you see instead of the question
mark? |
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Last Updated: August 8, 2007 | Posted:
April 18, 2001 |
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