Apr 17 2013 Do It With Lasers: R&D Experiment Makes Drum Microphones, Triggers More Accurate by Peter Kirn
Aug 22 2011 Kitchen Contact Mic Chemistry: Make a Mic from Baking Soda, Cream of Tartar by Peter Kirn
Nov 6 2008 New iPhone Multi-track Recording, iPod Mic, More, but No Love for Original iPod touch? by Peter Kirn