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Description Presented here is a vast gallery of many different forms of Optical Illusions. Whether these optical illusions are conveyed through fractals, photographs, architecture, art, or old fashioned pen and ink, they are bound to remind you that "seeing is not believing."

Caution!!!! Some of the optical illusions on this blog may cause dizziness or possibly epileptic seizures. The latter happens when the brain can't handle the conflicting information from your two eyes. If you start feeling unwell when using this website, immediately cover one eye with your hand and then leave the page. Do not close your eyes because that can make the attack worse.
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Provided By Sprott's Fractal Gallery


America's Cup Sailing Illusion

In honor of the current defending America's Cup champion, Team Alinghi (the black and red ship below) of Geneva, Switzerland, here is a real life sailing illusion. Which direction are these ships sailing? Away from us, toward us or one in each direction.

The novice sailor might take up to 15 seconds to derive the correct answer.

sailing illusion

Your 15 seconds are up what is the correct answer? Was your initial thought correct or did reality come to you slightly after that first thought. I'll tell you this much at first glance I was wrong, blinked my eyes, then concluded correctly.


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The documents distributed here have been presented on this blog in the spirit of providing an entertaining venue to educate those interested in optical illusions.

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