Trinity: The First Atomic Bomb Test Captured in Stunning Restored Photos

The moment the world entered the nuclear age is precisely documented: 5:29:45 a.m. Mountain War Time on July 16, 1945. That instant marked the first time humanity unleashed the power of the atomic nucleus, witnessed in a blinding fireball over the Jornada del Muerto basin in New Mexico.

Trinity: An Illustrated History of the World’s First Atomic Test, authored by Emily Seyl with contributions from Alan B. Carr and published by The University of Chicago Press, presents hundreds of vivid photographs from the Manhattan Project. These images, restored after a 20-year effort, document the detonation of “the Gadget”—the world’s first atomic bomb.

Reprinted with permission from Trinity: An Illustrated History of the World’s First Atomic Test by Emily Seyl, published by The University of Chicago Press. © 2026 by The University of Chicago. All rights reserved.

The Photographer Who Captured the Unseen

In a bunker 10,000 feet north of ground zero, photographer Berlyn Brixner listened to the countdown over a loudspeaker, his head inside a turret equipped with multiple cameras and film. He was one of the few instructed to look directly at the blast—through welder’s glasses—to track the fireball’s ascent. The two Mitchell movie cameras at his station produced the most detailed footage of the Trinity test, later used by Los Alamos scientists to analyze the explosion’s effects.

The First Light of Destruction

When the detonators fired, Brixner’s cameras recorded what he could not see: the initial light of a violent, silent energy release unfolding across the basin. As 32 blocks of high explosives detonated simultaneously, their force compressed the plutonium core inward, bringing atoms closer together in an instant. A precisely timed burst of neutrons triggered a brief, uncontrolled fission chain reaction.

High-speed footage from a Fastax camera in Brixner’s bunker, captured through a thick glass porthole, reveals a translucent orb bursting through darkness less than a hundredth of a second after detonation. A surge of heat, light, and matter erupted as the Gadget was obliterated.

Scientific Legacy in Restored Imagery

Once the brightness faded, witnesses observed a wall of dust rising around a brilliant, ever-shifting ball of flames. This fiery cloud ascended into the sky, trailing a twisting stream of debris. While the human eye captured the drama, the camera footage provided an intricate, repeatable record for scientists to study the fireball’s behavior and other visible effects in exacting detail.

The photography effort was deemed a success, despite only 11 of the 52 cameras producing usable images. By strategically placing cameras at varying distances, angles, and with diverse frame rates and focal lengths, the team ensured comprehensive documentation of the historic event.