Over a period of about 20 years after the end of World War II, the US conducted 210 atmospheric nuclear tests. Each was captured by multiple cameras, rolling at around 2,400 frames per second.A handful of the estimated 10,000 mesmerizing test films have been declassified and the National Laboratory, custodians of the material, has uploaded more than 60 videos to a YouTube playlist.
https://www.youtube.com/watch?v=XnrLY-phipw
From: Nuke test films digitized in the nick of time – CNN.com
