such natters, Mr, Murphree also ala not like the idea of mixing technical and political matters at an interhational scientific conference,
The Chairman then. siggested that the Committee advise Mr. Strauss 7
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that the GAC was of the opinion that the donference should be a technical
one. He further suggested that each member statehis own views to the
Commission when ‘they joined the Committee,
‘The members agreed that they had no comments. on the speculations:
Press
Specula-~
tions
which had appeared in the press on hydrogen weapons development.
|
Dr. Wigner suggested that someone who has been in the AEC programbe:
brought in for the position of Director of the Office of Classification.
Successor
Ke.
Bedkerley
The Chairman agreed that this was a good principle, and asked that in--
dividual members give. their views to the Commission.
7
The Chairman stated that he was impressed by the very able presenta- Fallout
tion on fall-out and that his views on this subject had changed.
|
Dr. von Neumann reported that preliminary results fromProject
. Aureole confirmed the results reported by the Division of Military Applica .
tion,
He stated too that a large (say > 50.iciloton) weapon exploded at
an altitude of, say, 1} fireball radii or more would probably not produce
a local fall-out, that the same explosion near to the ground would produce
heavy local fall-out, and thet a small explosion (say <10 kiloton) at
any conventional height (below the rain-bearing layers of the atmosphere)
was Likely to be trained out" to 50% or more.
He mentioned that. over all
of Europe the probability of rain within the next six hours is betwoen
twenty and thirty percent, and the probability of rain within the next
forty eight hours is. almost a certainty,
‘Dr. von Neumann also pointed out that studies had shown a very direct .
proportion between ‘weapon yield and acreage covered by the fall-out,