[ RadSafe ] WW2 Nuclear Efforts

John Jacobus crispy_bird at yahoo.com
Tue Jul 18 16:41:03 CDT 2006

A lot had to do with rejection of "Jewish" science,
the Nuremberg laws and exodis of scientist from Nazi
Germany.  A good book that tells a lot is "The End of
the Certain World: The Life and Science of Max Born"  


I found it a fascinating piece.  Max Born taught 6
Nobel Prize winners.

--- JPreisig at aol.com wrote:

> Hmmmmmm,
>       This is from:    jpreisig at aol.com.
>        Hey Radsafers,
>             Greetings from hot and humid New Jersey
> (USA).  Public Television
>        has shown lately the Copenhagen story --- a
> discussion between Bohr and
>        Heisenberg during WWII.  The History Channel
> (USA) has also been 
>        showing some documentaries about the
> liberation of Heisenberg's
>        nuclear laboratories at the end of WWII. 
> Apparently, the invading US
>        forces found Heisenberg's Lab(s) had a
> fission (Heavy water moderated?)
>        reactor,  complete with tons of elemental
> Uranium located nearby.
>             Perhaps, when Heisenberg was being
> listened to (i.e. bugged) when
>        he discussed the German "device" effort (in a
> British farmhouse --- he 
> was
>        talking with his German colleagues), he may
> have been talking about 
>        the (elemental) mass of Uranium needed to
> make a German nuclear 
>        device.  He suggested that tons of Uranium
> would be needed to make
>        a German nuclear device.  Not necessarily
> U-235???
>             The show about Copenhagen suggested that
> the USA had working
>        Cyclotrons (see Kaplan's Nuclear Physics
> book), but that the German's 
> had
>        few, or no, working cyclotrons.  Apparently
> the German Political 
> (and/or
>        Military) leadership had scared out of
> Germany many of the necessary
>        Cyclotron and/or Nuclear Physics researchers.
>  Thus, this all 
> eventually
>        slowed greatly German efforts to make U-235.
>             A while ago (on RADSAFE) there was a
> discussion about hundreds of 
>         pounds of (elemental) Uranium making its way
> from Germany to
>         Japan (during WWII).  Perhaps the Japanese
> had a working cyclotron
>         and/or Calutron to make the necessary U-235,
> for use in making a
>         working nuclear device.
>              So, there you have it, without too much
> research.  I believe 
>         Heisenberg had the theoretical knowledge,
> (elemental) uranium and a
>         reactor (to make plutonium???) to support
> the German war effort.
>         But, he did not have the American invented
> cyclotron and/or a
>         calutron.   These would have taken a while
> to build.
>               Magnitude 7.7 earthquake in Indonesia
> today (small by recent
>         magnitude  8.7 to 9.3 Indonesian
> earthquakes).  A tsunami was 
> generated
>         and there was some loss of life.  If you are
> vacationing in 
> Indonesia, and
>         the Ocean water heads out to sea, don't
> stand around picking up the 
> fish
>         that are flopping aroung on the beach.  Head
> Inlands!!!
>         Regards,            Joseph R. (Joe) Preisig,
> Ph.D.

e to the x, dy dx, e to the x, dx
Tangent, Secant, Cosine, Sine
Square Root, Cuberoot, udv
Slipstick, slideroot

Cheerleaders chant from my old undergraduate college.
-- John
John Jacobus, MS
Certified Health Physicist
e-mail:  crispy_bird at yahoo.com

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