Eye Illusions

Is this really a spiral?

There is nothing moving on the picture. (© Akiyoshi Kitaoka: Used with permission.)

Another static picture. (© Akiyoshi Kitaoka: Used with permission.)

Motion is just an eye illusion. (© Akiyoshi Kitaoka: Used with permission.)

Beautiful scene. But there is something more to it(hidden-woman-child).

Are the horizontal lines parallel? (of course they are)

There is nothing moving below. (© Akiyoshi Kitaoka: Used with permission.)

See the face of a soldier and a man that is bending over on the below eye illusion.

Given the wood do you think you could make this?

This impossible object is called "Devil's Fork" or "Schuster's Conundrum" (by D. H. Schuster)

Try to arrange dice like this.

If you can read the following picture, then you can shout ...( EUREKA )

Are there really just flowers?

It is quite interesting that all numbers can be created by using only two numerals - 4 and 8.

You may read across and upright.
A-B-C or 12-13-14?

Boats on the picture are not moving. It's just an eye illusion. (© Akiyoshi Kitaoka: Used with permission.)

Given the wood do you think you could make this?

Or this one?

Another interesting building.

1st Color Blindness Test - can you see a "12" on this plate?

2nd Color Blindness Test - there is a "26" on this plate.

3rd Color Blindness Test - can you trace a line from one "X" to the other?

4th Color Blindness Test - you should see 58 (upper left), 18 (upper right), E (lower left) and 17 (lower right).

Eye Illusions