this post was submitted on 02 Jun 2026

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Uranium glass (en.wikipedia.org)

submitted 5 months ago by Plum@lemmy.world to c/wikipedia@lemmy.world

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[–] MonkderVierte@lemmy.zip 3 points 5 months ago* (2 children)

2% although some 20th-century pieces were made with up to 25% uranium.

Uranium half-life […] varies between 159,200 and 4.5 billion years

Oho? So they will keep glowing for a while?

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[–] tal@lemmy.today 5 points 5 months ago*

The glow is it fluorescing under UV light, like glow-in-the-dark UV paint if you have a blacklight. It's not a result of internal radioactivity.

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[–] SaveTheTuaHawk@lemmy.ca 3 points 5 months ago

They don't glow. That's misleading. Uranium salt just makes a cool green color.

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