Japanese artist Isao Hashimoto has created a video showing all known nuclear explosions from 1945-1998 – 2053 of them. Zipping past at one month per second, it’s a fascinating and disturbing picture of nuclear testing and warfare. It starts slowly, but the 1950s go flashing by. Even if you don’t want to watch the middle, having gotten the idea, do watch the recap from 12:10 to the end.
(via lauriepink)
Wikipedia offers a timeline and more detail on the various national testing programs.