Alpha source: Difference between revisions
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= 238Th, weak and thin = | = 238Th, weak and thin = | ||
[[File:Screen Shot 2019-11-12 at 17.35.23.png| | [[File:Screen Shot 2019-11-12 at 17.35.23.png|600px|frameless]] | ||
= 238Th, strong but thick = | = 238Th, strong but thick = |