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How will a vibrating machine sound on Mars? What subtle characteristics of African music distinguish it from other forms? What is the explanation for the "sound of growing corn" that farmers always hear?

These and other questions will be addressed at the 138th Meeting of the Acoustical Society of America (ASA), which will be held at the Hyatt Regency Columbus Hotel from November 1-5, 1999 in Columbus, Ohio. The ASA is the largest scientific organization in the United States devoted to acoustics, with nearly 7000 members. This is the second major ASA meeting of the year--the last one was held in Berlin last March as a joint meeting with two European acoustics societies.

PRESS LUNCHEON AT COLUMBUS MEETING
On Tuesday, November 2 from 11:30 a.m. to 1:30 p.m., ASA will hold a press luncheon featuring speakers on numerous topics that will be presented at the Columbus meeting. The luncheon will take place in the Franklin C room of the Hyatt Regency Columbus. Confirmed speakers include Joie Jones, UC-Irvine (ultrasound diagnosis of burns) and R. Daniel Costley, University of Mississippi (acoustical technique for inspecting sealed drums at waste sites); others will be announced shortly. Reporters interested in attending the luncheon should return the reply form at the end of this release or contact Ben Stein (301-209-3091, bstein@aip.org ).

WORLD WIDE PRESS ROOM
We encourage you to visit ASA's "World Wide Press Room" ( http://www.acoustics.org) before and during the meeting. Starting the week of October 25 the site will contain lay-language versions of selected papers at the Columbus meeting. In addition, the Press Room contains a large archive of press releases and lay language papers describing numerous acoustics topics from previous meetings.

PROGRAM HIGHLIGHTS
Here are some highlights from among the many papers being given at the
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Contact: Ben Stein
bstein@aip.org
301-209-3091
American Institute of Physics
7-Oct-1999