Bended Straight Lines

Oh no, those horizontal lines are bended, pressured by heavy array of black and white squares!

But don't worry, they're bended in your brain only. In reality, they are firm and straight as laser light!
Prove it by yourself, hover on the image to show the guiding line!

Pulsating Square of Nothing

As the small circles intersect with the large ones, you'll 'see' the outlines of a pulsating square.

Actually, there is no square, it's your over-smart brain trying to visualize in terms of solid shapes, and fills in the (logic) blanks.

Distance Perception

Distance can change your perception. Try looking at following image from different distance...

 

Vanishing Dots

Dots are vanishing, and later come back to vanish again, again, and again... What a strange dots they are! Well, actually, they are not strange at all. They are static still JPEG image, no dot is really vanishing. It's your brain that tricks you....

The Wrong Road

Examine image below, we have picture of three roads. Although there are 3 roads, they are actually only two, one is drawn twice.

The question is, Which one is different?

Perfect or Imperfect

Are they perfect squares, or they are skewed/distorded in some way ?

Hover on the image to find the answer...

Colorful Dancing Pattern

Like our glittering zebra pattern, following picture is still image (not an animated picture).
Yet our brain auto-animate the it and we see it like a dancing pattern...

Glittering Zebra

This picture is not animated, it's still picture.
Yet when you starring on the image, you'll see some 'glittering' effect...

Surrounded Dot

Watch the dots on the center of both boxes. Which one is bigger?

Hover on image to see the answer...

Perspective Tall Men

Which one is the tallest man?

Probably you'll say it's the right-most man due to perspective image processed by our brain.

They're drawn using same figure, each 106px height.

Hover on image to remove perspective lines and see it by yourself...

Checker Shadow Illusion

Square A and B on picture above are painted with same shade of gray.
It's 49% white, RGB(120,120,120) or hex color code #787878.

Hover on the image to show the proof...