- Chicago Pile 1! Who cares that it's missing the surrounding wood or that it has too many layers or that Oppie's seeing it for some reason; this is the first time it's being shown on the big screen in 76 years, and the first time it's being shown on the big screen even somewhat accurately, and I am absolutely loving it (perhaps that's what the scene of Oppie walking across a sports field is for, since the reactor was under Stagg Field).
- I hope the emphasis on "the race against the Nazis" is going to be subverted by the 1945 plot twist that the Nazis had given up on the bomb program three years earlier, since that makes the decisions made by the scientists more interesting. Likewise with the emphasis on "World War 2 could be over" if they use the bomb, which of course the bomb wasn't necessary for.
- The dialogue between Oppie and Groves over whether the Germans have a 12 or an 18 month head start seems like pretty generic dialogue to set up the element of the race and to set up Oppie's intelligence; by the time they first met, they would have thought the Germans had at least a three year head start.
- All the scenes showing all the specifics in the step-by-step process leading to the Trinity test, fashioning the explosive lenses, inserting the tamper, and all that, are absolutely beautiful (even if Klaus Fuchs shouldn't be there), and I'd be so delighted if Nolan can give the audience a good basic understanding of how the gadget worked.
- Oh man, the dialogue between Oppie and Teller is beautifully effective at conveying their respective hopes and fears; likewise with the dialogue between Oppie and Bohr.
- These trailers have been really good at nearly completely hiding anything from after the war. Like there's one still from a 1949 session before the JCAE, and maybe a scene from Strauss' 1959 downfall, but there's been absolutely no stills or scenes from Oppenheimer's 1954 security hearings, which is really interesting and somewhat nerve-wracking.

the first shot of Einstein. What is going on with his hat...? Is it just the breeze?

with Einstein reaching up to hold it in place but too late.