[ARC5] Carbon Microphones - in your laserprinter?
Bill Pileggi
wpileggi at juno.com
Wed Sep 7 23:34:12 EDT 2011
With all this talk about carbon microphones, I wonder if the toner from a laser-printer or photocopier would be of any use in making a microphone? It's pure(?), ultrafine carbon...Bill KA3AIS
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