Étienne Ghys of the École Normale Supérieure in Lyon, France has created a series of videos teaching others to visualize four dimensions the way he does.
Also very helpfull in the visualization of "magnetospheres", atomic structures, sunspot pairs, homo-polar generators, and solar/galactic ,,, "disks.A 4D visualization vieo has recently come available as FREE downloadable clips. The work is supported by some of the heavy-weight math brains of the age.
Under the catchall name of Fibronics; circles, spheres, helicee(s) and etc. are created in real time.
http://www.dimensions-math.org/Dim_regarder_E_E.htm
http://www.kurzweilai.net/news/frame.ht ... ?id%3D9276