What makes this unique from the picture? And what you see after looking at the picture for 15 seconds?
Scientific phenomena form a negative image this creates a visual sensation called negative afterimage. Although not new, this optical illusion successful cyberspace uproar because not everyone can see what is hidden behind the picture. Many people claim to have trouble finding the difference between a negative image with the afterimage.
In fact, you only need to look at the white dot in the middle of the nose for 15 seconds, or until the images seem to move, then saw a white screen on the computer, or even in your office wall. Afterwards, you can immediately see the photo Brunette haired beautiful woman. Although the reason why there are people who have trouble seeing the transformation of the image can not be explained, but its presence has colored the online world.
Well if you are, can you see it?