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Channel: P.D. Singer » optical illusions
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Hadn’t seen this one before

I love optical illusions, and this one was new to me. We’ve all seen the cups that become a couple or the old woman in profile who becomes the young Gibson girl turned away, but I’d never seen a...

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The rotating snake–wha?

Are you seeing motion? Is it going inward or outwards? Are you sure? This is a good illusion, called the rotating snake, and it depends on the relative brightness and width of the stripes. For the...

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Anamorphic Illusion

Haven’t posted one of these in a while, and I found a nifty one. The gentleman portrayed is Rene Redzepi, one of the world’s best chefs, and this portrait was commissioned as a magazine cover....

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Are you sure it’s an illusion?

I haven’t had an optical illusion in a while, and that’s a shame.  This one is, or was, installed in front of the Paris city hall. Doesn’t look like much, does it? Kind of a whacky lawn. With stripes....

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Trompe l’oeil books

Created on seven walls of Ustroń Public Library, Poland, and taking over 500 square meters, the mural shows the interiors of the Trinity College Library in Dublin. Two of my favorite things at once:...

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Positive and Negative, an optical illusion

Tell me what you see when you look at this. Then look again: does it change?

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I feel like the girl in Jurassic Park now

Spooky, huh? And it’s what your brain gets for making assumptions about face-like objects. They aren’t all convex. Illusion and video by Brusspup, who is a genius.

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First you draw the shark

But sharks don’t look like that, you say? They do when you turn them just so. This is an anamorphic illusion, which only looks right from certain angles, and then it’s perfect.

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A fore-edge trick

For as much as I love my Kindles, I admit they can’t do this trick. The painting on the foreedge remains hidden until the book is opened, and then it provides a sensory pleasure that goes beyond the...

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