The story was that a bright engineering student determined that there must surely be plenty of engineers in hell and that if a thermal gradient did exist those engineers would have built a heat pump and cooled the place. As far as he knew, hell was still hot, therefore hell could not be adiabatic.
If we do not have a body after death, what is there to burn in hell?
If we do have a body in hell, won’t it burn up instantly and only once?
How many times is Jesus quoted about talking about hell fire?