On Tue, Apr 22, 2014 at 8:46 PM, RSmith <rsm...@rsweb.co.za> wrote:
> On 2014/04/22 20:06, Dominique Devienne wrote:
>> Regarding the uniqueness argument made by DRH, it's actually very hard
>> to generate 2 random-based GUIDS, given that a 128-bit is a very very
>> large number. It is said that 128-bit is large enough to store the
>> estimated number of atoms in our galaxy.//
>
>> current estimates
> are between 78 and 82 orders of magnitude (that's 1.0E+82) of atoms in the
> known universe in decimal, which would be around ~1.0 x 2^270 and obviously
> require around 270 bits to store.

That's why I wrote "our galaxy", not the "whole universe" ;) --DD
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