My lyin' eyes

[Carnos Jax]

Yes, I saw that one several years (or maybe it was a couple) ago. Very powerful illusion. It offers insights into the way our brains process information and how we perceive the universe around us. Scientists theorize that similar (though not optical) situations present themselves in the world around us, making what we think we know, not what we know (do I sound like Rumsfeld yet?), like the perception of time and other dimensions.