Re: So what exactly do scientists know about global warming?

Thus spake Oz <Oz@xxxxxxxxxxxxxxxxxxxx>
>Charles Francis <charles@xxxxxxxxxxxxxxxx> writes
>>Thus spake John Beardmore <wookie@xxxxxxxxxxxxxxxxxx>
>>>In message <4epK08FMgz1DFwpM@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, Charles
>>>Francis <charles@xxxxxxxxxxxxxxxx> writes
>>>>Thus spake John Beardmore <wookie@xxxxxxxxxxxxxxxxxx>
>>>>>In message <CIEkhfb7yS1DFw+i@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, Charles
>>>>>Francis <charles@xxxxxxxxxxxxxxxx> writes
>>>
>>>>There is still a fundamental difference. The uncertainty principle makes
>>>>it impossible for us to remove certain kinds of radioactive
>>>>contamination, at any cost.
>>>
>>>In what sense ?
>>
>>Encase your core in concrete as suggested by Oz to catch all the
>>radiation, except a bit of gamma maybe, which won't get stopped by
>>anything else and won't do any damage. But then the alpha radiation
>>creates a chain of unstable isotopes in the concrete, so that you
>>gradually turn the block radioactive. After n years instead of having
>>small dangerous core, you could end up with a large dangerous block of
>>concrete.
>
>Er, no. Of course when I said 'fill the core' I did mean after
>extracting the rods because these are valuable.

Ah, we were at cross purposes. No wonder I thought it silly!




Regards

--
Charles Francis
Please reply by name
.

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