Complex Systems

Here is a picture of complex system attributes and categories.

We Got a Bad Ass Over Here

In discussing existentialism, I wanted to use this graphic but I could not find a way to work it in.

Now I have. Click on the picture.

Dr. Tyson, is there evidence for the absence of unicorns?
Dr. Tyson, is there evidence for the absence of Flying Spagetti Monsters?
Dr. Tyson, is there evidence for the absence of Thor?