It would seem to me that the Association of Science and Technology Centers would be able to post their materials and exchanges on a net service we can all access rather than a "botique" service like compuserv which is very expensive. Respectfully, Robert Robert O. Dahl Interpretive Designer 8421 N. Via Tioga Tucson, AZ 85704 Ph:(602) 797-4752 internetaddress:[log in to unmask] AOL: [log in to unmask]