Friday, 14 October 2011

Optical Illusions wallpapers

Black Dot or White


This object is called a blivet. How many prongs does it have?

Do you see two faces or a vase?

Look at the two inner circles. The one on the right appears bigger than the one on the left, but in actuality they are the same size. Hold up a dime to see for yourself.

Would you believe that the colors of squares A and B are the same? They are!
Use your fingers or a piece of paper with holes cut in it to block out the rest of the picture and you will see that they are.

Do the straight horizontal gray lines look curvy to you? Hold up a piece of paper to prove that they are straight and parallel to each other.

Can you see both the young woman and the old woman in this classic optical illusion? If you need some help, the eye of the old woman is the ear of the young woman. The old woman's mouth is the young woman's necklace.

Which arc comes from the largest circle? If you cover the left and right edges you will see that they are all the same size. This is because the size of objects is sometimes distorted based on the context in which they are seen.

Look at lines A and B. Which one is bigger? They are actually the same size. This is because the size of objects is sometimes distorted based on the context in which they are seen.

Look at the center of the image for about 30 seconds. Then quickly shift your gaze to somewhere with a white background. You should see an afterimage of the US flag with the correct colors! This happens because your eye reverses the colors in afterimages.

This optical illusion was first created in 1861. Look at the two thick vertical lines. Do they look straight or curved to you? Hold a ruler up to the screen and you will see that they are indeed straight.

In spite of what your eyes are telling you, the smaller off-center circle is actually perfectly round.

This impossible triangle seems to twist in three dimensions.


Are the holes on the inside or outside?

Which line (A or B) continues to the other side? To many people it looks like it is A, but if you hold up a ruler you will see that it is B.

Do you see the native american wearing a headdress, or the inuit wearing a fluffy coat and entering an igloo?

This figure has conflicting depth cues, so it becomes unstable as you look at it. Depending on which part looks closer at the moment, you should be able to see a chair-like figure, or a floating block.


When you move your eyes in a circular motion around this image, you will see what appears to be spokes moving around with your eyes.


These steps appear to continuously go either up or down in an infinite spiral.

Hey, this is weird. It looks as though it's moving, but it's not.
The shapes confuse the eye (really the brain) into believing that they are moving.

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