How to Build an "Electro-magnetic Microphone" for $5 in 5 Minutes

I present to you the cheapest and easiest-to-build noisemaker imaginable! Consisting of one component connected to a 1/4" cable, this little device picks up the electro-magnetic radiation. You'll be surprised by what your electronic devices sound like. For tips on sourcing components for this build check out the full post at http://www.diyrecordingequipment.com/... I learned this trick from Nicolas Collins, author of the excellent "Handmade Electronic Music."