Number 291 (Story #4), October 16, 1996 by Phillip F. Schewe and Ben Stein PHYSICS NEWS UPDATE is now six years old. For those of you who are new to Update, some basic facts bear repeating: Update appears roughly once a week and is prepared by the Public Information division of the American Institute of Physics. Offices are in College Park, Maryland. An archive of past issues can be found at the AIP homepage on the World Wide Web at this address: aip.org/pinet/listserver/PHYSNEWS.info.html A related website, which we call Physics News Graphics (www.aip.org/png/), displays figures associated with some of the topics covered in Update. To subscribe (or unsubscribe) to the Update email list, send a message to listserv@aip.org. Leaving the subject line blank, specify either "add physnews" or "delete physnews".