@George-K said in New Isotope:
uranium-241 likely has a half-life of just 40 minutes.
This got me thinking and googling
I found this, mildly interesting
Lasers could cut lifespan of nuclear waste from “a million years to 30 minutes,” says Nobel laureate
https://bigthink.com/the-present/laser-nuclear-waste/#:~:text=It is made up of,million years to 30 minutes!