this post was submitted on 13 Oct 2025
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Science Memes

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[–] Friendlybirdseggs@sopuli.xyz 13 points 14 hours ago (1 children)
[–] Wildmimic@anarchist.nexus 6 points 14 hours ago (1 children)

Damn, that cat has a long half life

[–] PrimeErective@startrek.website 8 points 14 hours ago

18 half lives

[–] deranger@sh.itjust.works 6 points 14 hours ago

You’d still have over 10% of the sample remaining as U-235.

Also, lead was there in some minuscule quantity when the box was sealed, the only thing that’s changing is the proportion between the two.

[–] shalafi@lemmy.world 2 points 12 hours ago

If Earth has been around 4B years, do that mean there was a relative shitload of uranium when it formed? And that's why lead is so common?

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