It has some of the best looking explosions in all of cinema, even without the use of any CGI at all.
Visually, Oppenheimer is definitely the culmination of everything that Nolan has worked on. It is a grounded biopic that centers on one of the most important figures of humanity's history. It has some of the best looking explosions in all of cinema, even without the use of any CGI at all. Whether he used miniatures or life-sized explosions, he made it work, and he made it work well.