3 ms·
They are certainly more practical than the first generation [0] of atomic wrist watches. [0] http://leapsecond.com/pages/atomic-bill/ http://leapsecond.com/pag
by welterde 9y ago
They are certainly more practical than the first generation [0] of atomic wrist watches.
[0] http://leapsecond.com/pages/atomic-bill/ http://leapsecond.com/pages/atomic-bill/