Razor blade and graphite microphone

Technology

Jeri Ellsworth was inspired by Cryptonomicon to create this microphone with two razor blades and a piece of pencil graphite. It’s pretty grungy and distorted-sounding, but if definitely works! [via Adafruit]

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Becky Stern is a Content Creator at Autodesk/Instructables, and part time faculty at New York’s School of Visual Arts Products of Design grad program. Making and sharing are her two biggest passions, and she's created hundreds of free online DIY tutorials and videos, mostly about technology and its intersection with crafts. Find her @bekathwia on YouTube/Twitter/Instagram.

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