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This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
Haigerloch Nuclear Pile

German Atomic Bomb Project

“I don't believe a word of the whole thing,” declared Werner Heisenberg, the scientific head of the German nuclear program, after hearing the news that the United States had dropped an atomic bomb on Hiroshima.

Gojira (1954)

Gojira, or Godzilla, has been one of the most enduring and iconic kaiju (Japanese giant monsters) in popular culture. Undoubtedly, the the monster created from an H-bomb blast has captured the imagination of people around the world.
The Greenbrier resort

Greenbrier Bunker

One of the great vestiges of the Cold War is the Greenbrier bunker, a facility built to house all 535 members of Congress in the event of a nuclear attack.
Positron emitter detector (circa 1962) used to detect brain tumors.

Health Physics & Nuclear Medicine After the Manhattan Project

Today, millions of nuclear medicine procedures are performed in the United States every year, where the legacy of the Manhattan Project lives on in the treatment and visualization of disease.
Applications of x-rays in medicine from 1910

Health Physics & Nuclear Medicine Before the Manhattan Project

Shortly after its discovery, radiation became an invaluable part of medicine. However, people soon realized that radiation could also be extremely dangerous.
Oak Ridge National Laboratory workers turning in their pocket dosimeters (circa 1950)

Health Physics & Nuclear Medicine During the Manhattan Project

The Manhattan Project produced a large number of radioactive substances, and as a result scientists intensified research into the overlap of nuclear science and medicine.
A historical sample of "heavy water" produced by Norsk Hydro. By Alchemist-hp (talk) ( (Own work) [FAL], via Wikimedia Commons

Heavy Water Reactors

As scientists decided which materials they would use to build the early nuclear reactors, some staked their country’s nuclear programs on small amounts of a substance practically indistinguishable from water.
Battery of cameras at Point P (top of shelter), 10,000 West

High-Speed Photography

Innovations in high-speed photography at Los Alamos helped develop photography into its modern-day form.
The Enola Gay on August 5, 1945

Hiroshima and Nagasaki Bombing Timeline

A detailed timeline of the bombings of Hiroshima and Nagasaki.