[time-nuts] List of time synchronization hardware and software

[Tim Shoppa]

James Maynard <james.h.maynard at usa.net> 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.