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Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes
Date:4/24/2009

8) HOW THE BAGPIPE GOT ITS VOICES

Few instruments produce as distinct a sound as the bagpipe. Played for centuries in Scotland, the Middle East, and across Europe, the piped windbag combines a moving melody with one more constant drones. Three talks on Wednesday, May 20 will feature experts on the instrument, who will discuss both the evolution and unusual acoustics of its sound. Paul Wheeler of Utah State University will provide an introduction to and taxonomy of bagpipes from the around the world. R. Dean Ayers of Southern Oregon University will consider the acoustics of the bagpipe's "drone," the simple monotone pitch produced by a cylindrical pipe. And Stanley Cheyne of Hampden-Sydney College will analyze how the Great Highland Bagpipe's drone meshes with the sound waves of the "chanter," the pipes on which the melody is played.

The talk "An Introduction to Bagpipes of the World" (3Pmua1) by Paul Wheeler is at 1:05 p.m. on Wednesday, May 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may09/asa729.html

The talk "A brief history and acoustical analysis of the Great Highland Bagpipe" (3Pmua2) by Stanley Cheyne is at 1:30 p.m. on Wednesday, May 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may09/asa730.html

The talk "Tuning and tone quality of bagpipe drones" (3Pmua3) by R. Dean Ayers et al is at 2:00 p.m. on Wednesday, May 20. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may09/asa731.html


9) EXPLODING BUBBLES TRIM THE PROSTATE

In the traditional treatment for prostate growths, a rigid instrument is inserted through the penis and used to scrape away cells lining the walnut-sized gland. Urologist William Roberts and a tea
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Contact: Jason Bardi
jbardi@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

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