The URLs 
             http://www-inst.eecs.berkeley.edu/~helfrich 
             http://www.xcf.berkeley.edu/~brian
             http://www.home.earthlink.net/~bhelfrich
         and http://www.autobahn.org/~brian 
   are no longer valid. 
   
   The closest thing to Brian Helfrich's web site is
   http://www.nano-hive.org

   Please update your bookmarks or your referer web page.

   Within 10 seconds, you will be automatically redirected to the 
   correct page.

   If your browser does not support redirection, please click
   on this link: 
             http://www.nano-hive.org