> Now, that is the first thing you've said that makes sense...

It's sad when so little that's sensible makes no sense to some people 
:-)

> ...perfect way to solve the nuke waste problem and the energy 
> crisis.

I've thought for many many decades that this would be a neat idea. The 
intractable problem is human nature. Stupidity, greed and malevolence 
make it a non-starter. As you'll be aware. People would cut corners in 
the design, construction and inspection. People would decide to look 
inside, no matter how many warnings. And the opportunity for misuse is 
extreme. They also would need to be 'reclaimed' after a given time as 
their mechanical longevity would be limited by both radiation and 
thermal issues.

But, it should be possible to make a large enough block that radiation 
externally is minimal, heat losses to ambient when untapped are such 
that cooling occurs at acceptable surface temperature rises BUT by eg 
running water through the perfect pipe (tm) through the interior you 
get either hot water or steam out depending on flow rate.


        Russell


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