[time-nuts] NIST Launches a New U.S. Time Standard: NIST-F2 Atomic Clock

[ben bloom]

It's true that this is really a feat given the difficulty of measuring
these systematics.

Not to toot my own horn but...
http://www.nist.gov/pml/div689/20140122_strontium.cfm ..... even just a few
months ago we were talking about mid E-18 using an optical clock.


                                               -Ben


On Thu, Apr 3, 2014 at 6:24 PM, Michael Perrett <mkperrett at gmail.com> wrote:

> Wow, if 1 second in 300 million years is correct, that's around 1 E-16th.
> M
>
>
> On Thu, Apr 3, 2014 at 2:51 PM, Edesio Costa e Silva <
> time-nuts at tardis.net.br> wrote:
>
> > Full story at
> > http://www.nist.gov/pml/div688/nist-f2-atomic-clock-040314.cfm
> >
> > Edésio
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