Need help making a joke about Nuclear power plants. (Its about jokes and guidelines/information don't say I can't ask for a joke)

I was thinking about Fission and how Nuclear Power Plants have the word plants in them. In biology there is a word for Fission and that means to split into smaller things that eventually produce you again.

I am trying to make a witty joke but im really bad at making them. Can someone help me make a science joke about fission that isn't "gone fission" or "fission chips"