Biopics of scientists usually disappoint so I hesitate to get my hopes up about the new #Oppenheimer film. While we wait, however, I highly recommend the documentary "The Day After Trinity":
https://www.youtube.com/watch?v=Vm5fCxXnK7Y
The Freeman Dyson quote that features in the trailer gives me the chills every time:
"I have felt it myself. The glitter of nuclear weapons. It is irresistible if you come to them as a scientist. To feel it's there in your hands, to release this energy that fuels the stars, ..."