User Posts: Jason Mathews

A moiré pattern is the combination of two or more patterns viewed at the same time.This example will produce a weird moiré of rotating, parallel lines. To ...

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Build an Impossible Triangle and discover the Ames Transformation! The plan is a full-color PDF formated page which requires Acrobat Reader 3.0 or later to ...

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Follow the steps in either direction.  They go on forever no matter which way you go. These steps are musical steps.  Mouse-over to hear an idividual note, or ...

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Impossible Columns How many round columns do you see in this figure? How many columns?The geometry shown is quite impossible, yet the entire structure is ...

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Are all the gray squares in the checker board the same shade? Yes. If you don't believe it drag the pill-shaped swatch over the squares to see if they really ...

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Only the negative parts of the letters which make a famous persons name are shown in this puzzle. The trick is to re-assemble the pieces and reveal the hidden ...

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Most of us have handled a standard deck of playing cards at one time or another. The basic card designs with which we are all familiar have remained unchanged ...

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Here is a game that will attempt to read your thoughts. Keep one hand on the mouse at all times (just kidding). Wait for the first instruction then follow ...

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PaintingHintThe Hidden Tiger ... Look at the Tiger closely and take the title "literally."Dream ... You are looking for an ...

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 PaintingAnswerThe Hidden Tiger ... The Tiger's stripes spell out the title of the painting.Dream ... The outline of the ...

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To a lover of illusions, D. L. "Rusty" Rust is a champion. Wildlife artist Rusty Rust is a premiere American painter and producer of a rich ...

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Sandro del Prete, a Swiss artist, began his career in 1981. After studying art and technique in Italy, Prete returned to Switzerland, where he continues to ...

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