On 23-8-2010 9:18, Le_Forgeron wrote:
> Le 22/08/2010 22:01, andrel a écrit :
>> On 22-8-2010 20:38, John VanSickle wrote:
> 
>>> How many digits of pi do you need before your calculation of the
>>> volume of the universe is off by no more than the average volume of a
>>> water molecule?
>>>
>>> Regards,
>>> John
>> one mol of water is 18 gram is 18 ml hence volume of one molecule of
>> water is (18×10^-3 /(6.02214179×10^23))=
>> universe 3×10^80
> 
> How did you measure that ?

I didn't, but it is the value both wolfram and wikipedia give. I assume 
it is the best I can do for now.

> What's the speed of the expansion everyone is claiming to happen ?
> 
> 
>> therefore ratio of these volumes:
>> 3×10^80/(18×10^-3 /(6.02214179×10^23))= 10^106
> 
> So, we would be fine with integer of 353 bits, at least for volume
> expressed in water molecule... what about an hydrogen atom instead ?

That wasn't the question ;)

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