I’m reminded of something else I saw recently, A Good Girl with a Gun: https://youtu.be/pN9buwCCMuM

I’m sure at least one other person will get a kick out of it.

Was not a nuclear explosion, sure, reactors can’t really explode in the same way as bombs, but it absolutely was a meltdown. Meltdown really just means that the fuel melted, which did happen shortly after the power peak flashed the coolant to steam and blew open the core.