source file: mills2.txt Date: Wed, 26 Feb 1997 06:54:09 -0800 Subject: Re: Sympathetic Vibrations From: Paul Hahn On Tue, 25 Feb 1997, Lydia Ayers wrote: > The justly-tuned aluminum tubes of my Woodstock Gamelan will vibrate > sympathetically whenever a pitch is soundeded at the same frequency as > one or more of them. This works not only when pitches are played on the > flute or sung, but even when I cough! Coughing gets quite a few of the > tubes to sound, and sometimes even when the cough is in a different room! > There is no sounding board on the "gamelan," so this phenomenon is > definitely transmitted through the air directly to the tubes. Yes, but tubes present orders of magnitude more surface area to be acted upon by sound pressure than strings do. --pH (manynote@library.wustl.edu or http://library.wustl.edu/~manynote) O /\ "Do you like to gamble, Eddie? -\-\-- o Gamble money on pool games?" Received: from ns.ezh.nl [137.174.112.59] by vbv40.ezh.nl with SMTP-OpenVMS via TCP/IP; Wed, 26 Feb 1997 16:41 +0100 Received: by ns.ezh.nl; (5.65v3.2/1.3/10May95) id AA18777; Wed, 26 Feb 1997 16:41:56 +0100 Received: from ella.mills.edu by ns (smtpxd); id XA18753 Received: from by ella.mills.edu via SMTP (940816.SGI.8.6.9/930416.SGI) id HAA01694; Wed, 26 Feb 1997 07:37:54 -0800 Date: Wed, 26 Feb 1997 07:37:54 -0800 Message-Id: Errors-To: madole@mills.edu Reply-To: tuning@ella.mills.edu Originator: tuning@eartha.mills.edu Sender: tuning@ella.mills.edu