This video, from http://dimensions-math.org, gives an awesome mathematical introduction to higher physical dimensions. There are several videos, available with subtitle and narration in several languages. You can download them freely.[blip.tv http://blip.tv/play/gYY47OUcAg?p=1 width=”550″ height=”443″]
On the other hand, this video, from http://www.tenthdimension.com/, presents higher dimensions from a different viewpoint.. Baffling.