The Face of Death in the 20th Century

The horrific skull like apparition to the right is in fact a 60 foot fireball created one millisecond after detonation.

According to the Gizmodo article:

• a nuclear explosion from the Tumbler-Snapper tests performed in Nevada during 1952
• The explosion was captured by a Rapid Action Electronic camera—a high speed device designed to photograph nuclear explosions just milliseconds after ignition.
• The rapatronic camera was created by Harold Edgerton in the 1940s using two polarizing filters and Kerr cell instead of a shutter, which is too slow for this job.

wiki on the rapatronic camera