[time-nuts] Cold Rubidium over hyped?

[jimlux]

On 11/8/19 5:38 PM, Magnus Danielson wrote:

> 
> So, while hydrogen masers may work and large cell rubidiums can be
> cleaned up, eventually we come to the point where these new techniques
> will take over for many good reasons. Maybe one day we will have
> time-nuts with cold rubidium clocks and maybe even optical clocks.


Or Mercury or Strontium ion?