Yeah, most people don't have a proper mental model of radiation - it tends to be discussed either as a virus, or as a poison. It's neither - it doesn't multiply

Yeah, most people don't have a proper mental model of radiation - it tends to be discussed either as a virus, or as a poison. It's neither - it doesn't multiply, it is not transmissible, dilution works perfectly well; and as a bonus - it gets less dangerous on its own with time