Hence my suggestion that we just need to sample a lot of universes...

:-)


On 18 January 2014 19:17, meekerdb <meeke...@verizon.net> wrote:

>  On 1/17/2014 8:35 PM, Jason Resch wrote:
>
>
>
>
> On Fri, Jan 17, 2014 at 9:55 PM, meekerdb <meeke...@verizon.net> wrote:
>
>>  On 1/17/2014 3:13 PM, LizR wrote:
>>
>> Indeed it would be very strange, perhaps verging on miraculous. I believe
>> just the nuclear resonance discovered by Hoyle alone is already incredibly
>> fine tuned, after which we have the amazing properties of carbon and water,
>> and the cosmological flatness and god (ahem) knows what else.
>>
>>
>>  Hoyle predicted that there had to be an excited state of C^12 at 7.7Mev
>> in order to produce the observed abundance of carbon. It was observed at
>> 7.656Mev. But it was shown by Livio, M. et al. (1989). "The Anthropic
>> Significance of the Existence of an Excited State of C12." Nature 340,
>> 281-284, that essentially the same amount would be produced by a resonance
>> between 7.596Mev and 7.716Mev.  Even more would be produced with a lower
>> resonance down to 7.3367Mev, the difference between Be^8 + He^4 and C^12.
>> And carbon sufficient for life would be produced up to 7.933Mev.  Whether
>> an 8% range is fine-tuned or not, I don't think it's "incredibly
>> fine-tuned".
>>
>
>  It becomes incredible when one considers the 10 - 20 other parameters
> that similarly had to be within a narrow range.
>
>
> What are they?  I've seen a lot of questionable claims of 'fine-tuning'.
> One problem is that 'narrow range' is ill defined.  If there is no natural
> limit on a variable, then any range is 'narrow' relative to *+*inf.
>
> Brent
>
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