Lovely colors. Nice execution. It's kind of hard to come with more feedback. (Not that you maybe neccesarily want it. ^_^) It's a very abstract piece and I love those. It's a great idea and the handiwork looks solid to me. :)
"1500 years ago, everybody "knew" that the earth was the center of the universe. 500 years ago, everybody "knew" that the earth was flat. And 15 minutes ago, you "knew" that humans were alone on this planet. Imagine what you'll "know" tomorrow" -Agent K Men In Black