"Gail Shaw" <initialsurname@sentech sa dot com> wrote in message 
news:47e3d75f@news.povray.org...
>
> "St." <dot### [at] dotcom> wrote in message news:47e3d54d@news.povray.org...
>>
>>   Yes, to me as a non-scientific person, I'm thinking that this is, and
>> should be, achievable/possible, but alas, something that *seems* so
> simple,
>> is clearly not the case.
>
> Think of it this way. If you have 2 pans of water, same volume, one's just
> above freezing point (0C) and one at boiling point (100C). Can you use the
> pan of boiling water to bring the second pan up to boiling point?
>
> Similar thing, just with heat, instead of springs

 Oh! That's a good anology Gail! No, of course that couldn't happen, and I 
can see no way around it to make it happen other than making use of other 
materials to do it. For example, (and this is off the top of my head): Steam 
from said hot water soaks a towel above it. Towel gets heavy and falls onto 
lever, switching gas on under cold water pan to heat it up

  But there are those other outside influences again. I see the problem now.

     ~Steve~

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