YLoveIllusions.com

Pisa tower

(June 26th, 2009)

A very usual picture for tourists in Pisa (Italy), with a variety of options.

pisa_tower_hugging

pisa-leaning-tower-illusion

pisa_tower_red_balloon

Heavy lifting

(June 19th, 2009)

moon_lifting

Blue blocks

(June 12th, 2009)

Despite what you may think the blue blocks appearing at the top of the cube are the same colour on both images.

illusion_blue_blocks

Eclipse of Mars

(June 5th, 2009)

Start by looking at the white dot. For a long time. Then, move backwards slowly and you will notice that the red circle will disappear progressively.

Eclipse of Planet Mars

Eclipse of Planet Mars

One grey for all

(May 29th, 2009)

On the drawing below, the grey colour of the squares marked as A and B is exactly the same. Still…

Illusion d'optique de Edward H. Adelson, Professor of Vision Science at MIT

From Edward H. Adelson, Professor of Vision Science at MIT

Perception of lightness

(May 21st, 2009)

It is not often that you find the most simple and lighter illusions described as actively than on the web site for the MIT (Massachussets Institute of Technology).

Lightness Perception and Lightness Illusions
interactive movies based on a paper by Edward H. Adelson

Anamorphosis

(May 13th, 2009)

Anamorphosis is a technique to hide images in another image. It has long been used by painters. And some of them are quite well known like the The Ambassadors (Hans Holbein the Younger, 1533) below.

<em>The Ambassadors</em> (Hans Holbein the Younger, 1533)

The Ambassadors (Hans Holbein the Younger, 1533)

In this painting, there is a highly deformed skull appearing like a whitish blade at the bottom of the painting.

Learn everything about anamorphosis from Jessica Palmer in ScienceBlogs.

Warp illusion

(May 2nd, 2009)

Instructions:
1. Stare at the image for 10 seconds
2. Look at something — your hand, a book, your friend
3. Enjoy!

For more on illusions — and the delight of our buggy minds — see Al Seckel’s 2004 TEDTalk.

Pavement drawings

(April 25th, 2009)

It seems difficult to believe but these drawings are nothing more than chalk on the surface of a pavement leading to perspective effects inducing dizziness and vertigo.

Rescue

Rescue

Waterfall

Waterfall

Source: Julian Beever.

The hussar and its horse

(April 18th, 2009)

Rotate it upside down and the hussar becomes its own horse.

husar_caballo caballo_husar


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Latest update: 21-feb-09

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