[time-nuts] Thinking outside the box a super reference
gp at pdti.net
Fri Nov 4 17:39:54 EDT 2016
On Fri, Nov 4, 2016, at 02:27 PM, Poul-Henning Kamp wrote:
> In message <2af27ebe-9200-c348-c89b-b98f9c973974 at karlquist.com>, "Richard
> (Rick) Karlquist" w
> >Also, one of the Rb isotopes is slightly radioactive.
> >35 years ago, the guy in the next cubicle got away with
> >storing it under his desk. He also happily smoked
> >cigarettes all day at his desk. Another ERA.
> Rb87 has a halflife north of the age of the planet as far
> as I recall, and the result is a beta which goes nowhere
> far and Sr87 which is stable.
87-Rb has a half life of something like 4.9e10 years — you'll be waiting
a while for that strontium. /gp
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