Previous optical Illusion of the Month (December 2006)

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What's wrong with this picture challenge
Some visual oddities are hidden in the picture below.
Can you find them?

Author: Gianni A. Sarcone
This image is taken from the
book Big Book of Optical Illusions

Solution		Archimedes Journal #3 Features Hidden Picture drawings, and extensive 10-page explanations Paper version: $12.00 PDF version: $7.00 1-click ordering
1. The Coca-Cola (Coca-Coca) logo on the bottle. 2. The top of the glass stands in front of the bottle while the stem is behind. 3. The writing on the ashtray contains "is" twice: Smoking is is hazardous to your health.	4. The ashtray has an impossible geometric shape. 5. The handle of the coffee cup. 6. The teeth of the fork (are there 3 or 4 teeth? Maybe both!)
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