NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: what is a second?
From: Peter Fogg
Date: 2006 May 10, 01:45 -0500
Frank wrote:
> Just FYI, Cesium-133 is a stable isotope, not radioactive.
Well there's my quota of new things learned for today. Caesium emits
radiation, it seems, while not normally being radioactive. However;
"Radioactive isotopes of caesium are used in the medical field to
treat certain types of cancer" accroding to Wikipedia. Caesium-133 is
the only naturally occurring stable isotope in the family.
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From: Peter Fogg
Date: 2006 May 10, 01:45 -0500
Frank wrote:
> Just FYI, Cesium-133 is a stable isotope, not radioactive.
Well there's my quota of new things learned for today. Caesium emits
radiation, it seems, while not normally being radioactive. However;
"Radioactive isotopes of caesium are used in the medical field to
treat certain types of cancer" accroding to Wikipedia. Caesium-133 is
the only naturally occurring stable isotope in the family.
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To unsubscribe, send email to NavList-unsubscribe@fer3.com
-~----------~----~----~----~------~----~------~--~---
