First Moments Of Atomic Explosion

These images were taken by Harold Edgerton, seven miles from the blast, with the shutter speed set to 1/1000,000,000 of a second, capturing the explosion before mushroom cloud formation.

IMAGES [full size] (via digg)

Also of interest, video of the world’s largest nuclear explosion, as seen on the Discovery Channel:

VIDEO (via plasticbag.org)