When you see this 2 pictures in front of your computer, you’ll see the MR ANGRY in your left side and MRS SMILEY in your right side.
Now stand up and see by standing far from your computer about 2 – 3 meters and as you see, they change position.
This illusion was created by Phillipe G Schyns and Aude Olivia from Glasgow University. It’s proven that what we saw in front of us is uncertainty.
via : It’s a Blogger’s World