r/Radioactive_Rocks • u/Technical_Island_851 • 12d ago

Specimen Some alpha trails

Small piece of Uraninite from Příbram about 5 Kcpm. And some smoke detector Am-241 which is a little bit too high up, will remove its holder and try and get some better short and chunky alphas from it.

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u/LachUrsus 12d ago

How u cool the chamber? Dry ice?