Slowly move your nose to almost touch the dot to see the magic!

Do you see the yellow circles?
There are actually no yellow circles, However many perple perceice them.

Look at this picture.
Does it seem to move back and forth?

Increase distance from chart until it is readable

Watch the lines move around the sphere.
Do they appear to periodically change direction?

Take a look at the red lines on this picture. Which line is longer?

Does this one make you dizzy?

The square marked A and B are the same shade of gray, yet they appear different.

By joining the squares marked A and B with two vertical stripes of the same shade of grey, it becomes apparent that both squares are the same.

The man falling in the endless deep well

Find out how many faces you can see here.The simple hint is - faces are more than 5