I actually had the privilege of hearing David Allan present his theories in the 
yearly NIST conference in Boulder.  Interesting fellow.

One thing that was pretty cool is that NIST developed a fountain clock that is 
so accurate it is influenced by altitude.  They had to raise the clock once to 
install a new floor beneath and when they raised the clock it impacted the 
frequency.  Originally discouraged by this it suddenly occurred to someone that 
they had developed an extremely accurate way to measure height!  Now they just 
have to miniaturize it and make it affordable (of course this is the bane of 
laboratory experiments).

I was once Dir of R&D at a fortune 50 electronics firm and love hanging out in 
labs like NIST.

db

> On Oct 29, 2020, at 7:00 PM, [email protected] wrote:
> 
> Also when you google  "alien deviation" you get:
> 
> About 11,800,000 results (0.50 seconds) 
> 
> Cheers! :>)
> 
> Corby
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