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From: email@example.com (StevJensen)
Date: 01 Nov 2002 02:38:41 GMT
Organization: AOL http://www.aol.com
Subject: Re: eer
John Woodgate firstname.lastname@example.org
> read in sci.electronics.design that StevJensen
>wrote (in <email@example.com>) about 'eer', on
>>Well, there might be an issue with getting a 10kg brick to my desk in the
>>first place. But for say a 10g sized block, if I tossed a sheet of tin foil
>>over it (or even if I didn't) would there be a real reason to care as long
>>as I avoided direct contact?
>Tinfoil doesn't stop gammas, and doesn't stop high-energy betas. Pu239
>is an alpha and gamma emitter, but its decay products produce betas as
>>In other words how close would a measurement
>>probe have to get before it recognized a level above background?
>>A 1/4 inch, an inch, a foot, 10 feet?
>I don't have that information.
Neither do I and that is the problem.
Just imagine how much better oxygen free speaker cables would sell
if there was even the smallest scientific support for the concept.
Unquestionably a good shot of hard radiation can kill you.
So can a glass full of water.
Given that both water and radiation are ubiquitous in the environment
is one actually more dangerous than the other?
In other words how much of the hype associated with this subject
has actual meaning and how much is pure BS.
>>I wore a radium watch for years. That would bury a probe at 1/4 inch,
>>and was recognizable out to a couple inches.
>>Interestingly enough my arm hasn't fallen off yet.
>The metal of the watch is thick enough to stop alphas and most betas.
>Ra226 (half-life 1602 years) is an alpha and weak gamma emitter.
Just a WAG but since the half-life of Pu239 is something like 200k+
then gram for gram the measured activity seems likely to be, crudely,
1/200 for that of the Ra226.
Am I even remotely correct. I do not know.
But this is something I would like to know.
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