That may be the best answer (it was a serious question). The explosion in the film is layered small-scale petrol explosions [1], but more visible detail may he

That may be the best answer (it was a serious question). The explosion in the film is layered small-scale petrol explosions [1], but more visible detail may help sell it as bigger. [1] https://www.businessinsider.com/how-christopher-nolan-oppenheimer-atomic-bomb-trinity-test-no-cgi-2023-7?op=1 https://www.businessinsider.com/how-christopher-nolan-oppenh...