Oppenheimer Practical Effects Recreation

Recreating the sparks and particles in Oppenheimer by Christopher Nolan

1. the sparks are long exposure light paintings with a flashlight - captured on an intervalometer and assembled as an image sequence in FCP
2. the particles are slow motion of flour in the air

[bananaear]

Im trying to find the bts of the white bands in Oppenheimer, I want to know how they did the sound design for it. Do you know what I might search to find it, it seems you are trying to recreate it