Upstairs...

Is this man always going up these stairs?

Where the yelow spots go...?

Look at the middle of the picture and see the yellow dots disappear.

Spirals

Virtual movement... Focus at the middle of this picture.

Is the world spinning ?

Double meaning

A man's face or: a woman with her baby, an old man and a dog on the road? At the background you can see other faces. (You can find 9 faces in this picture)

Cirle which is not round

Is the circle below perfectly round?

Read

Read the following passage:
Did you catch the two "The"s? Most people miss this obvious redundancy.

Dizzy

This one will make you dizzy. Try focusing on just the center circle while moving your head.

Straight or curved

1.Do the horizontal lines below look straight or curved?
Hold something straight up next to them to check.


2.Are the two purple lines parallel or are the bent?

3.Do the solid black lines seem to bend?

4.Look at the red lines, do they appear to be wavy?

They're actually straight, the circles make them appear wavy.

5.Are the lines below straight or crooked?

Hold something straight up next to them to check.

Color illusion

Look carefully at the two pink diagonal lines. Are they the same shade of pinkor are they different shades?

Look carefully, they are the same. Don't let your eyes deceive you!


Do you see the two shades of green below?
Would you believe that there is actually only one shade of green?

Size illusion

Which man is the tallest in the picture below?

Which line is longer, AB or BC?
Measure them. Are they the same length?

Spiral or circle

Is this a spiral ?
Take a closer look, it could be a grouping of circles.

Curved or straight

Are the lines below straight or are they curved?

Black and white

Try to count the number of black dots and white dots on the image below...

In the image below can you see the small BLACK circles (in the middle of the the white lines) ? Well, they are not really there !

Welcome ! ! !

hi all,
a warm welcome to my blog site.

what do you think about these posts... ♥ ♥ ♥

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