-Caveat Lector-
----- Original Message -----
From: Ric Carter <[EMAIL PROTECTED]>
> From: Das GOAT <[EMAIL PROTECTED]>
> > [EMAIL PROTECTED] writes:
> >
> > > from: http://www.totse.com/files/FA020/histchr2.htm
> >
> > What a crock. <...> Posted to any genealogy newsgroup, this would
> > raise gales of disdainful laughter.
>
> tracing back 'n' generations, you have '2^n' ancestors. Let's say that
> the total number of human beings who've ever lived is roughly 10 billion
> [1^10], and that one generation equals 20 years. Punch the calculator
> and you'll see that 2^33= 0.86^10 and 2^34= 1.72^10 -- thus, somewhere
> between 33 and 34 generations (660-680 years) back, you've most likely
> shared an ancestor with every other human on the planet.
I must correct meself here - I munged the notation. 10 billion is
1E10 not 1^10. This portion of text, corrected, should read:
: tracing back 'n' generations, you have '2^n' ancestors. Let's say that
: the total number of human beings who've ever lived is roughly 10 billion
: [1E10], and that one generation equals 20 years. Punch the calculator
: and you'll see that 2^33= 0.86E10 and 2^34= 1.72E10 -- thus, somewhere
: between 33 and 34 generations (660-680 years) back, you've most likely
: shared an ancestor with every other human on the planet.
My conclusion stands, even if my memory sucks.
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