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Build a DIY magnetometer with a couple of seasoning bottles

(spectrum.ieee.org)
96 points nullbyte808 | 1 comments | 29 Nov 25 12:04 UTC | HN request time: 0s | source
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metadat ◴[07 Dec 25 22:18 UTC] No.46185813[source]▶
I want to see pictures of the device and ideally a video of it in action. It would be stimulating.
replies(1): >>46186715 #