DMZ is sometimes also referred to in some metro Boston chemical circles as Madame Psychosis, after a popular very-early-morning cult radio personality on M.I.T.’s student-run radio station WYYY-109, ‘Largest Whole Prime on the FM Band,’ which Mario Incandenza and E.T.A. stats-wienie and Eschaton game-master Otis P. Lord listen to almost religiously.