Klarinet Archive - Posting 000142.txt from 2006/02

From: "Forest Aten" <forestaten@-----.net>
Subj: RE: [kl] acoustical question
Date: Fri, 10 Feb 2006 16:13:11 -0500


> Some months ago, someone posted a message on this list in which they
> mentioned a mysterious acoustical phenomenon.=A0 The message mentioned =
that
> they had blown across the top of a plastic bottle and noted the pitch =
that
> resulted.=A0 Then, they squeezed the bottle, presumably reducing the
> interior volume, but were surprised that the pitch fell rather than
> rising, as might be intuitively expected.
>=20
> I mentioned this to Dr. Darrell Megli, friend and colleague who is a
> physicist, acoustician, and enthusiastic amateur musician.=A0 I knew =
that he
> would find this problem to be fascinating, and as a person who is =
ready to
> research such problems without much provocation, he would probably get =
to
> work to try to find out what was causing this anomalous result.=A0 He =
has
> just sent me a report on his experiment. The report is too long to =
send
> to the list, as it contains images, and therefore "mime content." I =
would
> be glad to send it as an e-mail attachment to anyone who may be
> interested. Just reply to me individually rather than to the list:
>=20
> el2@-----.edu
>=20
>=20
> Ed Lacy
> University of Evansville
>=20
> -------------------------------------------------------------------

Thanks Ed to you and your friend...

Forest

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