Re: german atomic bomb research



On Thu, 29 Jun 2006 16:58:13 +0100, "Keith W"
<keithspam@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:


"Juergen Nieveler" <juergen.nieveler.nospam@xxxxxxxx> wrote in message
news:Xns97F1AE963882Ajuergennieveler@xxxxxxxxxxxxxxx
"Keith W" <keithspam@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

I'm not Rob, but Germany had enough Uranium to build a small reactor
(using cubes suspended by wires into heavy water).

Which didnt work and thus never produced any radioisotopes.

Which aren't needed for a dirty bomb, mind you - the uranium itself
would have been enough to scare people of today.


Not those who know anything about the subject. Natural uranium
is a weak alpha emitter that presents a negligible radiation hazard.
Given that Manhattan is built on granite there's a good chance
its MORE radioactive that Uranium.

Every square mile of topsoil, 12 inches deep, in the world contains about 4
tons of Uranium. A typical coal burning power plant these days outputs about 5
tons of Uranium per year, along with 13 tons of thorium and about 1/3 a ton of
potassium 40. Despite that, 20 household smoke detectors produce about as much
radioactivity every year as a coal power plant.

Dropping a few kg of Uranium dust on a city just isn't going to do much unless
you can get someone to actually start scraping the dust up and eating it and
even then they will die of heavy metal poisoning long before the radiation can
do any damage.

.



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