source file: mills2.txt Date: Tue, 25 Feb 1997 15:45:22 -0800 Subject: Re: Sympathetic Vibrations From: Brian Belet On Tue, 25 Feb 1997 15:32:14 -0800 Lydia Ayers said: >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. > The house I lived in in Massachusetts 3 years ago had an old set of tubular chimes as a front door bell. Whenever I sneezed (which is a MAJOR acoustic event, and rather dangerous in fault-ridden California.....) the chimes would sympathetically resonate with incredible vigor. So, I echo Lydia's observation of air-transmitted energy to the tubes. -- Brian Belet Received: from ns.ezh.nl [137.174.112.59] by vbv40.ezh.nl with SMTP-OpenVMS via TCP/IP; Wed, 26 Feb 1997 04:28 +0100 Received: by ns.ezh.nl; (5.65v3.2/1.3/10May95) id AA07028; Wed, 26 Feb 1997 04:28:53 +0100 Received: from ella.mills.edu by ns (smtpxd); id XA06937 Received: from by ella.mills.edu via SMTP (940816.SGI.8.6.9/930416.SGI) id TAA28534; Tue, 25 Feb 1997 19:27:22 -0800 Date: Tue, 25 Feb 1997 19:27:22 -0800 Message-Id: <3313AD08.7D79@ix.netcom.com> Errors-To: madole@mills.edu Reply-To: tuning@ella.mills.edu Originator: tuning@eartha.mills.edu Sender: tuning@ella.mills.edu