Sitting at my computer this morning I experienced an interesting optical illusion. Looking across the field through the "frame" of two tree trunks, I saw the head of a roman wearing a laurel wreath in profile. He looked very much like this:
As the wind blew his mouth opened and closed as if he were speaking. Of course, I knew it was just an illusion created by my brain, but it fascinated me and got me thinking about illusions and truth.
