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Re: clusters

Hi Radsafers:
 
Another simple experiment - try ploting counts per 5 tp 10 seconds using a geiger counter or scintillation counter. You will also see "clusters" of counts varying per unit time.

                          Just a thought,

                            Tom
--

On Wed, 9 Aug 2000 22:07:26    Kjell A. Johansen wrote:
>Radsafers,
>The explanation for clusters was discussed by Joel Cehn in one of the
>IAEA Bulletins back in the 1992-1995 time frame.  One of the experiments
>Joel suggested was to take a large jar and fill it up with equal numbers
>of black and white marbles.  Shake and you will see clusters of black
>marbles.  It's just plain statistics and does not have to represent a
>cause and effect relationship in the real world.  There also is the
>study of cancer clusters around British military installations.  Some of
>the clusters showed up around castles.  So much for cause and effect.
>
>Kjell Johansen
>kajohans@powercom.net
>
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