>                             Physics Story 
> 
>      
> A true story.  A thermodynamics professor had written a take home exam 
> for his graduate students.  It had one question:
>      
>                Is hell exothermic or endothermic? 
>                Support your answer with a proof. 
>      
> Most of the students wrote proofs of their beliefs using Boyle's Law or 
> some variant.  One student, however wrote the following:
>      
> First, we postulate that if souls exist, then they must have some mass. 
>      
> If they do, then a mole of souls can also have a mass.  So, at what rate 
> are souls moving into hell and at what rate are souls leaving?  I think 
> that we  can safely assume that once a soul gets to hell, it will not 
> leave.  Therefore, no souls are leaving.
>      
> As for souls entering hell, lets look at the different religions that 
> exist in the world today.   Some of these religions state that if you 
> are not a member of their religion, you will go to hell.  Since there 
> are more than one of these religions and people do not belong to more 
> than one religion, we can project that all people and all souls go to 
> hell.
>      
> With birth and death rates as they are, we can expect the number of 
> souls in hell to increase exponentially.
>      
> Now, we look at the rate of change in volume in hell. Boyle's Law states 
> that in order for the temperature and pressure in hell to stay the same, 
> the ratio of the mass of souls and volume needs to stay constant.
>      
> So, if hell is expanding at a slower rate than the rate at which souls 
> enter hell, then the temperature and pressure in hell will increase 
> until all hell breaks loose.
>      
> Of course, if hell is expanding at a rate faster than the increase of 
> souls in hell, than the temperature and pressure will drop until hell 
> freezes over.