Even if we try, sometimes we just can't see things as they are. The brain tends to make order out of things according to what we expect to see. And some thngs are just nature's surprises.
Enlarge this photo and stare at the red dot. Then look up at the ceiling and blink your eyes several times:
Thanks to Stephen Fry for that.
Here are a bunch of optical illusions. Some are bogglers
and some more tricks of the eye
The horses one irritates me.
20 hours ago