Anonymous

Half life of plutonium (grade for nuclear weapons) is 24,000 years https://www.youtube.com/watch?v=-tkRFP7c...

Anonymous

that depends on which isotopes we're talking about The problem with any radioactivity is that only the half-lives differ. So if it doesn't radiate hard, it radiates long and vice versa

Anonymous

There are grades of plutonium, the higher the number, the higher the grade.