Optical Illusions

Ivan Seeking

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Ivan Seeking

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Once both figures are seen, I can change perspective at will. Does anyone know what is happening when I do this? Is this simply a matter of recalling a different memory?
 
Originally posted by Ivan Seeking
Optical Illusions
Turn on [edit: off] your sound
I turned the sound on
 
Old one.....
Every time I see some picture/movie/animation on the net that says "look for n seconds at something" I know what's coming to me :wink:
 

Janus

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Here's a couple more.

Renderings I did based on Escher's work. (the trick here is that these are 3-D models, not 2-D).

http://home.teleport.com/~parvey/_uimages/escher2.jpg [Broken]

http://home.teleport.com/~parvey/ascend1.jpg [Broken]
 
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Originally posted by Ivan SeekingIs this simply a matter of recalling a different memory?
I think so too. But I don't know why I couldn't count how many black spots are there in Optical Illusion 1.

http://home.teleport.com/~parvey/_uimages/escher2.jpg [Broken]

http://home.teleport.com/~parvey/ascend1. [Broken]
These 2 pictures are very famous
 
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