From: Michael S. Lorrey (retroman@turbont.net)
Date: Wed Jun 14 2000 - 12:25:01 MDT
Unshielded radiation sources I'm told can be easily detected, especially on cold
terrain or in cold water because of the normal IR emissions of radioactive
decay, I'm also told there are some neutron and xray detection methods as well.
hal@finney.org wrote:
>
> Mike writes:
> > The problem is that you don't know exactly WHERE your buoy is going. The
> > second problem is that spy satellites can pretty easily spot weapons
> > sized lumps of radioactive materials unless kept in a hefty lead
> > containment system.
>
> Is that really true? Are they picking up gamma radiation, or some
> localized effects of radiation? Spy satellites are ~100 miles up and
> I would not have thought they could detect the radiation from such a
> small object.
>
> Hal
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