I stumbled around and found this pretty illustrative site were they through an animation is trying to imagine the 10th dimension. I think it gives a beautiful description of the level were string theory takes place, namely in the 10th dimension. Hope it's something worth to share:
http://www.tenthdimension.com/medialinks.php\documentclass[a5paper,10pt,danish]{forumsignature} \usepackage[utf8]{inputenc} \usepackage{babel} \usepackage{amsmath,amssymb} \begin{document}\begin{align} \mathscr{H} \Psi = E \Psi \end{align}\end{documeny}