garryts: Only 6 dimensions? All Righty then... try this site: (I know I've ref'd this site before but it was many mouse years ago in a galaxy that now seems far far away . . .) http://www.mkaku.org/ besides how many times do you get to ref someone that it seems that you've actually met - but then my memory is like swiss cheese can't live with it and can't live without it (or is that women?) anyway enjoy - and if you happen to look at those formuli for string theory.... perhaps you could 'splain 'em to me. "some people look at fish and derive explainations for the origin of the universe - others just see lunch." - TJ