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A comment on Show HN: I built a desktop radiation monitor with Raspberry Pi, brass and wood. Parent comment

Re:Show HN: I built a desktop radiation monitor with Raspber... by acidburnNSA on Tuesday July 07, 2020 @03:55PM (#23763312)
I thought it would be a gold leaf electroscope

https://en.wikipedia.org/wiki/Electroscope#Gold-leaf_electro...

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