How to make a Microphone

This video explains how to make a carbon microphone using household items including:
Pencil Lead
Battery
Wood
Wire
Paper
Plastic Lid
Hot Glue

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Intro Sound Effect: http://soundbible.com/2064-UFO-Takeoff.html
License: Attribution 3.0
Recorded by Sonidor
Microphone Drawing: http://catalogue.wellcomelibrary.org/record=b1465488

Music:
Decisions by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100756
Artist: http://incompetech.com/

Видео How to make a Microphone канала Over Engineered