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this post was submitted on 13 Apr 2026
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No Stupid Questions
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There is no such thing as a Stupid Question!
Don't be embarrassed of your curiosity; everyone has questions that they may feel uncomfortable asking certain people, so this place gives you a nice area not to be judged about asking it. Everyone here is willing to help.
- ex. How do I change oil
- ex. How to tie shoes
- ex. Can you cry underwater?
Reminder that the rules for lemmy.ca still apply!
Thanks for reading all of this, even if you didn't read all of this, and your eye started somewhere else, have a watermelon slice 🍉.
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They are radioactive though!
K-40!! Naturally occurring radioactive ⁴⁰ K decays with a half-life of 1.248×10⁹ years. 89% of those decays are to stable ⁴⁰ Ca by beta decay, whilst 11% are to ⁴⁰ Ar by either electron capture or positron emission.
Obligatory XKCD File: https://commons.wikimedia.org/wiki/File:Radiation_Dose_Chart_by_Xkcd.png Which shows the Banana Equivalent Dose.
I'd like to subscribe to radioactive facts, please!