The article says: "What time is it? The answer, no matter what your initial reference may be — a wristwatch, a smartphone, or an alarm clock — will always trace back to the atomic clock. The international standard for time is set by atomic clocks — "
I always thought "atomic" clocks are maintained by NIST and used as the primary standard for frequency. Whereas time is maintained by USNO. John WA4WDL ---- "Richard (Rick) Karlquist" <rich...@karlquist.com> wrote: > See: > > http://newsoffice.mit.edu/2014/portable-atomic-clocks-1112 > > Any comments? > > Rick Karlquist N6RK > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.