Re: [XPOST] A unique number for every "person" - can it be done?
From: Bill Godfrey (bill-godfrey_at_sunny-daventry.invalid)
Date: 02/28/05
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Date: 28 Feb 2005 10:56:02 GMT
spinoza1111@yahoo.com wrote:
> Encode place as a GPS coordinate. You said we can assume Earth-bound
> people.
You can express any point in the universe at a particular moment in time in
terms of latitude, longitude and altitude.
Our colony around Alpha Centauri has an altitude of around 4 light years
and I don't know what latitude or longitude. (Points within the Earth would
have to have negative altitude.)
This isn't exactly a useful scale, unless you are "on" the Earth. To say
nothing of how someone can locate thier position on the Earth when you can
only see where the Earth was around 4 years ago.
This all assumes that the Earth still exists and the Greenwich meridian and
equator are still recognisable.
Anyway, if the OP wants to add off-world people, you'd need to add in a
universally agreed identifier for where you are.
Bill, ah, but he didn't.
-- http://billpg.me.uk/ usenet(at)billpg(dot)me(dot)uk
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