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by Fatnino 892 days ago
I've seen it said that it takes 10 halflives for something to decay all the way away.

So like 1000 years for this to flush itself.

1 comments

> I've seen it said

You can estimate it yourself:

0.5 ^ 10 = 0.0009765625 (~0.1%)

https://en.wikipedia.org/wiki/Half-life#Probabilistic_nature

> When there are many identical atoms decaying, the law of large numbers suggests that it is a very good approximation to say that half of the atoms remain after one half-life