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Article #7429Re: RTG's on the Lunar Module
From: Ed McCreary
Date: Fri, 08 Jan 1993 19:30
Date: Fri, 08 Jan 1993 19:30
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In article <1993Jan8.165057.3965@elroy.jpl.nasa.gov> pjs@euclid.jpl.nasa.gov writes: >In article <C0IADo.B1p@zoo.toronto.edu>, henry@zoo.toronto.edu (Henry Spencer) writes: >> The radiation hazard from plutonium 238 is insignificant; it's pretty much >> a pure alpha emitter, and human skin stops alpha particles completely. (A >> sheet of paper will do likewise.) You don't want to eat the stuff, but so >> long as it stays put, no sweat. > >Somewhere in the recesses of my mind lies a memory of a scientist >who offered to eat some plutonium if the journalist covering the >event would eat the same amount of caffeine. No takers, obviously, >but does this mean that it would be safe to eat plutonium? If it's >inert it should be passed in due course with only the mucus coating >the alimentary canal getting irradiated. > Edward Teller. The problem with Pu-238 is long term exposure. You don't want to breathe in particulate plutonium and let it sit in your lungs. I think it was Feyman who describes holding a sphere of plutonium in his hands and how warm it was due to alpha emissions. -- Ed McCreary ,__o mccreary@sword.eng.hou.compaq.com _-\_<, "If it were not for laughter, there would be no Tao." (*)/'(*)
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Newsgroups: sci.space Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!wotan.compaq.com!twisto.eng.hou.compaq.com!sword.eng.hou.compaq.com!mccreary From: mccreary@sword.eng.hou.compaq.com (Ed McCreary) Subject: Re: RTG's on the Lunar Module Message-ID: <1993Jan8.193013.21884@twisto.eng.hou.compaq.com> Sender: news@twisto.eng.hou.compaq.com (Netnews Account) Organization: Compaq Computer Corp. References: <1993Jan7.144516.20330@cam-orl.co.uk> <C0IADo.B1p@zoo.toronto.edu> <1993Jan8.165057.3965@elroy.jpl.nasa.gov> Date: Fri, 8 Jan 1993 19:30:13 GMT Lines: 25