Page 4 - 2017Winter

Acoustics
A Publication of the Acoustical Society of America
TABLE OF CONTENTS 8 From the Editor
10 From the President Featured Articles
12 isadore Rudnick (1917-1997): Acoustics in the Service of Physics - Steven L. Garrett, Julian D. Maynard, and Seth J. Putterman
“I don’t consider myself an acoustician. I am a physicist who uses acoustical techniques and tools to understand physical systems.”
21 Trespassing the Barrier of the Brain with Ultrasound – Elisa E. Konofagou
Focused ultrasound is a powerful tool for overcoming the immense hurdles in drug delivery that are posed in brain therapeutics.
27 Acoustics and Astronomy – James F. Lynch The universe has a sound foundation!
35 Acoustics and Vibration of Baseball and Softball Bats – Daniel A. Russell
Vibrational modes of a bat explain the sweet spot, sting for mishits, a metal bat’s “ping,” and the trampoline effect.
43 Theories about Target Ranging in Bat Sonar – James A. Simmons
The frequency-modulated biosonar sounds transmitted by bats are well-suited to the accu- rate determination of target range and target.
52 Some Work on the Diagnosis and Manage- ment of Kidney Stones with Ultrasound
- Julianna C. Simon, Adam D. Maxwell, and Michael R. Bailey
Ultrasound is currently the only noninvasive technology able to completely diagnose and manage kidney stones.
Today
Volume 13 | Issue 4 | Winter 2017
Sound Perspectives
60 Ask an Acoustician – Micheal L. Dent
63 Technical Committee Report: Underwater
Acoustics – Megan S. Ballard
66 Twenty-Five Years of the ASA Women in Acoustics Committee – Lauren M. Ronsse
and Tracianne B. Neilsen
69 ASA Education and outreach Program – L. Keeta Jones
72 ASA Sounds out on Social Media – Dan Farrell and L. Keeta Jones
Departments
71 Foundation Report – by Carl Rosenberg
74 obituary
Konstantin A. Naugolnykh | 1932-2017
76 Classifieds, Business Directory, Advertisers index
About The Cover
Examples of the variety in baseball and softball bat construction. The cylindrical barrel vibrations in metal or composite bats affect their acoustic properties. Trade- marks appearing in the cover photo are the property of their respective owners and used with permission. Picture copyright © 2017 Daniel A. Russell, University Park, PA. All rights reserved.
2 | Acoustics Today | Winter 2017