You don't need to burn someone alive to know that putting someone under certain heat conditions is going to kill them. Similarly, you don't need to actually exp

You don't need to burn someone alive to know that putting someone under certain heat conditions is going to kill them. Similarly, you don't need to actually expose people to crazy powerful sonic waves to know that they would suffer from it; just knowing that the waves were there and inferring how to generate them is enough. All of this is obvious though; you aren't being rational about this, like you have a dog in the race.