Code_Ember

Optical Illusion Thread

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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.)

 

 

Edited by Seerose
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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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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”.

Edited by Seerose
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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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Dotheseeany.png

 

*Do the see any movement in the water flowing through those taps?

If you see any one water flow from the pipe then you will see that water in other taps is coming at a much slower rate.
 

Edited by Seerose

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Canada.png

 

*Canada Flag - Oh Canada! Simply stare 30 seconds at the center and then onto a white surface.

 

UsaFlag.png

 

*USA Flag - What's going on with Canada ... stare at it for 30 seconds and then on a white surface.

Edited by Seerose

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Cutouts.png

 

*Cutouts reveal several levels of illusory motion.

 

MagicHen.png

 

*Magic Hen
Who stole the egg from Chiquita our favourite chicken?
 As you can see on the 4-piece puzzle in A, there are 8 eggs... 
Now if we permute the triangular pieces an egg disappears along with portion of the puzzle (see B)! Well, this is a kind of 'vanishing area paradox'...

Edited by Seerose
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COLORCUBE.png

 

*COLOR CUBE
Believe it or not, but the pieces A/B/C all have the same color. 
Use any color picker, graphic program or simply cover the remainder with your hand to see for yourself.

 

BrockenMagic.png

 

*BrokenMagic 
If you concentrate on one of the lobster's eyes, after some time (10-15 seconds) it will seem that the broken piece of the plate rejoins the rest. 
This amusing effect occurs because our brain tends to 'iron' out broken our saw lines. 

Edited by Seerose
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MagicTray.png

 

*Magic Tray
Just turn the image upside-down and the wine glass will be seen standing outside the tray (restore the picture).

This illusion was invented by G. Sarcone for a science festival on optical.

 

ReversedFaces.png

 

*Reversed faces
Find the differences between the boys. If you can't, turn the picture upside-down.

 

Edited by Seerose
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Courtyard.png

 

*Courtyard
  Probable thing that occurs when you live in an improbable building...

Edited by Seerose
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