"Acoustics" by K2h3s5http://www.trailfire.com/K2h3s5/trails/44419K2h3s5/trails60Sound Tutorialhttp://www.trailfire.com/K2h3s5/marks/144567AcousticsK2h3s5Fri, 31 Aug 2007 04:38:42 -0700trailfire:markId:144567Acoustics Chapter One: Introductionhttp://www.trailfire.com/K2h3s5/marks/144568AcousticsK2h3s5Fri, 31 Aug 2007 04:41:08 -0700trailfire:markId:144568Anatomy of the Ear - Learning Activity - Flash Player Installationhttp://www.trailfire.com/K2h3s5/marks/150819AcousticsK2h3s5Sun, 23 Sep 2007 07:20:11 -0700trailfire:markId:150819How the Ear Works - Nature's Solutions for Listeninghttp://www.trailfire.com/K2h3s5/marks/150820AcousticsK2h3s5Wed, 19 Sep 2007 05:02:40 -0700trailfire:markId:150820