OPTICAL ILLUSIONS

More  optical illusions

Still more optical illusions

The "1" diamonds and the "2" diamonds are the same shade of gray!
(Make a diamond with the thumb and forefinger of both hands,
and frame a gray diamond to watch just it.)

 

How many black dots can you count? (You have to be fast—they move around.)

 

You should be able to get each circle to rotate by 50

 

If you look at the images from your seat in front of the computer,  
Mr. Angry is on the left, and Mrs. Calm is on the right. Get up from 
your seat, and move back about five feet. They switch places!
Created by Phillippe G. Schyns and Aude Oliva of the Univiversity of Glasgow.

 

Move the cursor up and down the center of the image, and follow it with your eyes.
Created by Akiyoshi Kitaoka

 

Move the cursor up and down the center of the image, and follow it with your eyes.
Created by Akiyoshi Kitaoka

 

Each dark-blue light flashes bright-blue, but never while you're looking at it.
Created by Akiyoshi Kitaoka

Look around the picture, and see the three rollers turn.
Created by Akiyoshi Kitaoka

Look around the picture, and watch what happens in your peripheral vision.
Created by Akiyoshi Kitaoka


The colored circles below seem to spin and change diredtion. (by Isia Leviant)

The length (front-to-back) of the green table below is the same as the width of the red table.
The width of the green table is the same as the length (front-to-back) of the red table.
Check it with a ruler. (by Beau Lotto)

 

If your eyes follow the movement of the rotating gap in the dot ring below, you will only see one color, pink. If you stare at the black + in the center, the moving gap turns to green. It you can keep your eyes fixed on the center of the +, in about five seconds all the pink dots will disappear, and you will only see a green dot rotating.                                          (Source)

The gray discs don't move.


source


Reverse Spoke Illusion


Motion After-Effect Illusion