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Auto-imported from derpibooru.org (2376765)
Upvotes at import: 37 | Stars at import: 25
Posted previously at: 2020-06-17T15:29:25 | Posted previously by: Parcly Taxel
81, Thallium
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Scintillators for detecting gamma rays use sodium iodide doped with thallium. Historically, the heavy metal was used as a poison.
The font used for the symbol and book title is IBM Plex Sans. There are also a number of puns hidden.
SVG here.
Upvotes at import: 37 | Stars at import: 25
Posted previously at: 2020-06-17T15:29:25 | Posted previously by: Parcly Taxel
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