Visualizing Multiple Dimensions. How is it done?

Originally posted by Neon Haze
I have read this book and it is attempting to dumb down and already dumbed down theory.

I was going to joke that someone write a book "Physics for Dummies"
But I found someone really has. I just found it on Amazon.com

I fear though that there are no shortcuts to really understanding this stuff.
I downloaded several lectures from Feynman and of course Hawking. I guess I will start there.