If they invented a machine that they could hook someone up to, and it would cause intense pain all over their body
But it'd also make it so they didn't need sleep, food or water to survive. They'd be completely conscious and aware of their torture.
If this technology existed, would you support using it on people in prison. Regardless of what they did, if they committed a crime and deserved to be incarcerated. This would be part of their punishment.
I feel most people would say no, but isn't what I described basically what the biblical idea of hell is? Or atleast very similar to it