[LEAPSECS] metafilter followup of the leap rant

Rob Seaman seaman at noao.edu
Thu Jan 2 21:42:58 EST 2014


On Jan 2, 2014, at 7:35 PM, Warner Losh <imp at bsdimp.com> wrote:


> I think time passed before there was an earth to have nights or days.


Glad the inherent connection between Earth and length of day is recognized.


>> Does anybody have references for units of precise (short) duration prior to Galileo's pendulum?

>

> Oh, in human experience...


"Civil timekeeping". Both the "civil" part and the fact that time is being "kept" imply human agency.

Rob



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