Code_Ember

Optical Illusion Thread

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Seerose    1,965

RotatingDots.gif

 

*

Look at the circles around the red dot.

Which way do the circles move, clockwise or counterclockwise?

(Answer: counterclockwise.)

 

Now look at the circles around the yellow dot. Are they moving clockwise or counterclockwise?

(Answer: also counterclockwise.)

 

 

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MadJik    256

Interactive illusion with paint.net. You have to follow these instructions:

 

a. start a new image

 

b. run the RainbowTwist with the settings:

optique0.png

 

C.

_1 Duplicate the layer

_2 Open the layer properties form

_3 set blending mode to Lighten

optique1.png

 

d. Press M to activate the move mode

 

e. Press and hold one cursor key... tada!

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Seerose    1,965

rotate.gif

 

*Freezing Rotation Animation

(Animated gif below may take a while to load, so please be patient until it full loads.)

If you observe the rotation of the central text label below, do you see it turning smoothly all the time?

Does it seem to “freeze” from time to time?

If you manage to cover or isolate the surround (swaying dots), you can easily see that the text is really turning continuously!

One possible explanation of this phenomena states that “assuming a stable surround,

our visual system probably uses the surround as a reference to measure motion of the included objects”.

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MadJik    256

Previous with "moving" colors

optique4_600.png

 

 

 

Ten years ago:

illusion_by_madjikf59.png

My DeviantArt

 

Optical confusion for this illusion made with Paint.Net
You could feel the wheel is rotating.
The background grid is strictly made with straight lines but you could think there is a curvature near the center: no no!

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