I didn't know that there was a 4D...
Isn't time generally considered to be the 4th dimension? Where you run into trouble is getting into the 5th dimension:
Brett
Yes there is one that does 4D. I forget the name. Wait I found it. It is on Davis right past Circuit City and before Airport. http://www.deanaltenhofenmd.com/index.asp?p=h
http://maps.google.com/maps?ie=UTF8...19515&spn=0.016715,0.028925&z=15&iwloc=E&om=1