James Maynard <[EMAIL PROTECTED]> wrote: > Brooke Clarke wrote: > > Astronomical methods, such as sundials might deserve a place on the list. > Indeed. Sundials, or menhirs, such as those at Stonehenge!
Even better, pulsars. They have a period that is usually the same order of magnitude as a second, and some of them are regular enough that they are similar in stability as an atomic clock (how many of us have cesium beam tubes that will last for billions of years, hmmm?) Tim. _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
