Secrecy declaration signed by scientists in the Manhattan Project — they swore upon their scientific reputation!pic.twitter.com/2wLeUczfyD
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@bowshock It's not clear who drew that sketch — it is derivative of a similar sketch that appeared a decade earlier in Ency. Amer.
@bowshock But Rotblat's deduction from Bravo was "just" that a lot of U-238 fission was taking place, not staging: http://books.google.com/books?id=9ggAAAAAMBAJ&lpg=PA170&dq=rotblat&pg=PA171#v=onepage&q&f=false …
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@bowshock I don't think they saw that or interpreted it correctly.
End of conversation
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