Photograph of a nuclear fireball taken less than 1 millisecond after detonation. The fireball is abo
Photograph of a nuclear fireball taken less than 1 millisecond after detonation. The fireball is about 20 meters in diameter in this shot.> Photo by Harold Edgerton / Lookout Mountain Air Force Station.From the “Tumbler-Snapper” test series (1952). -- source link
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