On Fri, Nov 4, 2016, at 02:27 PM, Poul-Henning Kamp wrote: > -------- > In message <[email protected]>, "Richard > (Rick) Karlquist" w > rites: > >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 _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
