On 13 Dec 2006 at 21:43, Steve Allen wrote:
> http://gauss.gge.unb.ca/papers.pdf/gpsworld.january01.pdf
One quibble with that article is that it gives the Global Positioning
System as an example of how humanity has been obsessed with knowing
what time it is. Actually, GPS arises from our obsession with
knowing what *place* we're at; its need for precise time is a mere
technical detail of its implementation. (Some of the earlier
historical needs for precise time also arose out of navigation, where
knowing one's position in space necessitated also knowing something
about time.)
--
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Received on Thu Dec 14 2006 - 05:48:17 PST