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A comment on The Dangers of California's Legislation to Censor 3D Printing. Parent comment

Re:The Dangers of California's Legislation to Censor 3D Prin... by 15155 on Wednesday April 15, 2026 @10:47AM (#47779798)
Ferrous metals aren't required for any modern security-screening metal detectors: these materials are still highly electrically conductive, and therefore easily-detectable eddy currents are still inducible.
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Re:The Dangers of California's Legislation to Censor 3D Prin... by esseph on Wednesday April 15, 2026 @04:33PM (#47784863)
Oh, that's right! I remember reading somewhere about this a few years back. Might have even been here on HN.

For some reason I hear "metal detector" and my brain goes right to magnetism.

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