Message-Id: <l03110714b37371ce057c@[192.174.2.173]>
In-Reply-To: <a19f4861.24783d2f@aol.com>
Date: Thu, 27 May 1999 14:05:28 -0800
To: "Pinhole Listserv" <pinhole@exploratorium.edu>
From: Paul Doherty <pauld@exploratorium.edu>
Subject: Re: pinhole Bats' Noses
Human pinna are shaped the way they are so that a mix of frequencies coming
from above our ears is filtered differently from a mix of frequencies
coming from below. This allows us to discriminate complex noises from above
from noises coming from below.
Paul D
Paul "But it is more complicated than that!" Doherty,
Senior Staff Scientist, The Exploratorium.
pauld@exploratorium.edu, www.exo.net/~pauld