Page 9 - Spring 2010

Acoustics Today
A Publication of the Acoustical Society of America
Volume 6, Issue 2 April 2010
VOLUME 6, ISSUE 2 APRIL 2010
Acoustics Today
Listening to Materials
Krakatoa
Parametric Arrays and Ocean Research and more
A publication of the Acoustical Society of America
Technical Committee on Physical Acoustics Issue
Cover: Krakatoa during an earlier stage of the eruption.
In late May 1883, the mining engineer, J. Schuurman, led
a team to Krakatoa aboard the Gouverneur-Generaal Loudon out of Batavia (now Jakarta). This color lithograph was made from a black-and-white photograph taken on Sunday the 27th of May by a Mr. Hamburg on that expedition
Articles: Departments:
6 Listening to Materials: From Auto Safety to Reducing the Nuclear Arsenal—Veerle M. Keppens, Julian D. Maynard, and Albert Migliori
The application of acoustic resonances to probe the properties of materials and objects has a significant impact on us all as it connects to science, engineering, quality control, public safety and protection (including military applications), and more.
14 Krakatoa and the Royal Society: The Krakatoa Explosion of 1883—Thomas B. Gabrielson
In 1883, more than 50 weather stations around the world recorded the pressure wave from the explosive eruption of the Krakatoa volcano.
20 The Parametric Array and Long-Range Ocean Research—Igor Esipov, Konstantin Naugolnykh, and Vladimir Timoshenko
Nonlinear acoustics may provide a tool for long-range ocean sounding with both time and space resolution.
28 Acoustical News—Elaine Moran Acoustical news from around the world.
36 Books and Publications—Dick Stern
New and recent reports, publications, and brochures on acoustics.
38 Instrumentation—Dick Stern
New and recent acoustic instrumentation and news about acoustic instrument manufacturers.
39 Passings—Dick Stern A farewell to colleagues
Business Directory
42 Business card advertisements
43 Classified
Classified advertisements, including positions offered and positions desired.
44 Index to Advertisers
Table of Contents 5