Sometimes we see things that aren't there, and the Hermann Grid illusion is a great example. Notice how the dots at the center of each intersection seem to shift between white and g… See more

The popular illusion made the rounds on blogs and websites a few years ago, supposedly as … See more

Would you be surprised to learn that the two people in the image at the left are actually the same size? Known as the Ames room illusion, this visual trick has been utilize… See more

When you look off into the distance, objects seem closer together as they become further away. For example, the outside borders of a road or railroad appear to converge a… See more