Pinhole Gamma Rays

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From: Jack West (jackwest1972@yahoo.com)
Date: Tue Apr 23 2002 - 20:51:06 PDT 

Message-ID: <20020424035106.3604.qmail@web11806.mail.yahoo.com>
Date: Tue, 23 Apr 2002 20:51:06 -0700 (PDT)
From: Jack West <jackwest1972@yahoo.com>
Subject: Pinhole Gamma Rays

The kids want to know examples of what gamma rays can
do to the body and where they come from and so do I.

Jack West
Sequoia High
--- George Fosselius <fosselg@albany.k12.ca.us> wrote:
>
>
> > 1) Does anybody have a suggestion of a spray that
> is clear and will
> > also polarize the light.
>
> Tape works because of the stretching during
> manufacture, aligning polymer
> molecules.
> Spray would be random.
>
> BUT...
> if you spray saturated Epson Salts or Alum,the
> crystals, as they form, will
> align in various ways.
> I think I remember some such crystals will twist
> polarized light (old chem
> film from the 70's)
> Crystal size would depend on saturation level, rate
> of evaporation.
>
> I defer to Paul for 2)
>
> George Fosselius
> Albany Science andStuff
>
>
>
>
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