Brent Meeker skrev:

> Torgny Tholerus wrote:
>> That is exactly what I wanted to say.  You don't need to have a complete
>> description of arithmetic.  Our universe can be described by doing a
>> number of computations from a finite set of rules.  (To get to the
>> current view of our universe you have to do about 10**60 computations
>> for every point of space...)
> How did you arrive at that number?
It is the number of Planck times since the birth of Universe.  The age of
Universe is 13,7 billion years, number of seconds in a year is 31 million,
and the Planck time is 5,4 * 10**-44 seconds.  That gives 13,7*10**9 *
31*10**6 / (5,4*10**-44) = 8*10**60.


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