Brain-tickling optical illusions ever
Psychedelic Swirl
One of the most amazing "fake motion" illusions. Believe it or not, this is a still image! (source)
Is It Green?
The square in the center of this image by Professor Akiyoshi Kitaoka appears to have a green tint. But is that actually its color? (source)
On The Beach
This is a cycling image. Focus on the red dot and wait for the image to change to a shot of the beach. It's in black and white, but it will appear to be in color because of the after-image in your eyes!(source)
Wiggling Bugs
These 'bugs' seem to be moving, but this is actually a static image. Note that whenever you focus on a particular 'bug,' it seems to stop moving.(source)
Lots of Legs
This image by Shigeo Fukuda is a lovely essay in balance and contrast. Where do you think one set of legs ends, and the other begins?(source)
White Circles
This image shows the brain's tendency to "fill in" negative space with shapes. Do you see a series of white circles between the black crosses? In reality, they don't exist.(source)
Pack of Wolves
How many wolves can you see in this illustration?
(source)
See the answer here
Pointing Fingers
Can you tell which of these two fingers is pointing at the exact center the vertical line?
(source)
Click here for the answer.
Click here for the answer.
Squirrels
This isn't just a picture of two squirrels on a branch. Can you see the hidden image within?(source)
Broken Grid
Stare at the center of this grid for a while, and the outer edges will seem to "repair" themselves.(
source)