Gee, and here I was thinking I was the first to think
of PBWs. Gotta hit those archives...
john marlow
--- Anders Sandberg <asa@nada.kth.se> wrote:
> hal@finney.org writes:
>
> > In the earlier discussion at
> >
>
http://www.lucifer.com/exi-lists/extropians.2Q00/3019.html,
> Robert
> > Bradbury (who was involved in the Foresight
> discussions leading to the
> > creation of the paper) discussed particle beam
> weapons as a possible
> > countermeasure. You would have earth-orbiting
> satellites watching for
> > "hot spots" which indicate a point of infection,
> and which sterilize
> > the vicinity with neutron bombardment or some
> other form of disruptive
> > radiation.
>
> How good are they? I remember spending a pleasant
> train journey with
> Henrik Ohrstrom discussing the use of neutron bombs
> against
> nanodevices (making the other passengers distinctly
> nervous :-). The
> problem seems to be that you really want to drench
> the region in
> particles so that the goo will be wiped out, but
> then you need a
> reasonably deep penetration (lots of energy) and
> will likely leave a
> lot of ugly isotopes around. Sure, in nanotopia we
> can clean it up
> simpler, but it is still not easy.
>
> --
>
-----------------------------------------------------------------------
> Anders Sandberg
> Towards Ascension!
> asa@nada.kth.se
> http://www.nada.kth.se/~asa/
> GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/*
> f+ g+ w++ t+ r+ !y
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