Nuclear experts say this famous photo of an apparent mushroom cloud rising above the city of Hiroshima is not what it appears to be. The towering plume is actually billowing smoke rising up from the raging firestorms that followed the explosion.
Atom Central recently published these four unreleased videos of atomic bomb testing in 1955. The footage, taken from Operation Teapot at the test site in Nevada, is in glorious HD so it’s pretty incredible but watch out for the blinding light. Even in a small little YouTube window, it hurts.