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I was really surprised that this simple hack doesn’t even require taking anything apart! Just use a calculator and AM radio to make a metal detector – [via] Link.

UPDATE: This one might be plausible, folks. Debate in the comments; the first one to prove it’s real/fake gets a MAKE pocket ref!


  • Metal detectors @ NYC toy fair – Link.
  • Build you own metal detector – Link.
becky stern headshot DIY metal detector

Becky Stern

Becky Stern is director of wearable electronics at Adafruit Industries. Her personal site:

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