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Middle one is interesting because it's the fourth derivative variation I've seen of this 1955 LIFE magazine H-bomb diagram. Interestingly it adds two more "fission elements." This diagram, despite it's goofiness, had remarkable influence.pic.twitter.com/VUwWBEYfkh
The last one is mostly interesting to me because it's the second place I've seen a weird "shoot a neutron source into the center of the implosion bomb" idea. The other place is Macaulay's classic "The Way Things Work" (1988).pic.twitter.com/qZW6ts2RUj
It's not clear to me whether one of these influenced the other, or were influenced by a common predecessor. (The source I have for the one at the Strand has two copyright dates because it was updated, one before and one after Macaulay, so I'd need to check the earlier one.)
And Goodchild's "Shatterer of Worlds" (1981) implosion bomb is clearly derived from this photo, which was first published in James Kunetka's "City of Fire" (1978). It was probably released accidentally. It is a different geometry than the final Y-1561 design, as an aside.pic.twitter.com/YwrcoHzGGw
(Apologies for the typos in the first Tweet — "Destroyed of Worlds" should be "Shatterer of Worlds," and the "it it" is a nice touch... time for some sleep, clearly!)
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