In message <[email protected]>, Rob Seaman writes:
>> PS: I read an interesting note recently about how the fact that >> years have varying lengths have become an issue for determining the >> "official" half-life of long lived radioactive isotopes: Many >> geological methods just counted years, but hadn't considered how >> long those years were. > >Reference? I think it was New Scientist. It was mostly relevant for the really long half-lifes, millions of years etc. If I remember right, they chose some definition of how long a year was and then ran into trouble using "myr" or "ma" or some other abbreviation in a manner that now conflicted with existing use. Found it: http://www.newscientist.com/article/dn20423-push-to-define-year-sparks-time-war.html -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [email protected] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ LEAPSECS mailing list [email protected] http://six.pairlist.net/mailman/listinfo/leapsecs
