Blog

Since 2011, Alex Wellerstein has written about the nuclear history and present at Restricted Data: The Nuclear Secrecy Blog, with over 250 entries, many of which are extensively documented and footnoted. His blog has been invoked a model for non-traditional academic scholarship, and individual entries been cited by many peer-reviewed academic publications.

What follows is a sampling of representative or important posts from the blog. See the blog archives for a more complete listing.


“What if the Trinity test had failed?”

“What journalists should know about the atomic bombings”

“The President and the Bomb,” an ongoing series on presidential nuclear use authority (parts 1, 2, 3, 4)

“Civil Defense Warning Device” sign, from the base of a tsunami warning siren tower, in Kapolei, Hawaii.
“Civil Defense Warning Device” sign, from the base of a tsunami warning siren tower, in Kapolei, Hawaii.

“Notes on the Hawaii false alarm, one year later”

“Global Hiroshima: Notes from a bullet train”

US nuclear bomber deployments, 1945-1958.
US nuclear bomber deployments, 1945-1958.

“A brief history of the nuclear triad”

“Mapping the US war plan for 1956”

“When did the Allies know there wasn’t a German bomb?”

“What remains of the Manhattan Project”

“What did Bohr do at Los Alamos?”

“How to die at Los Alamos”

Selection from the recently released, fully-unredacted Oppenheimer hearing transcripts, pertaining to the invention of the Teller-Ulam design for the hydrogen bomb.
Selection from the recently released, fully-unredacted Oppenheimer hearing transcripts, pertaining to the invention of the Teller-Ulam design for the hydrogen bomb.

“Oppenheimer, Unredacted: Part I – Finding the Lost Transcripts”

“The riddle of Julius Rosenberg”

A rendering of the Fat Man's tamper plug.
A rendering of the Fat Man’s tamper plug.

“The Fat Man’s uranium”

“General Groves’ secret history”

“Tokyo vs. Hiroshima”

“Who smeared Richard Feynman?”

“A bomb without Einstein?”

“Oppenheimer and the Gita”

“Firebombs, U.S.A.”

A chart showing the yield-to-weight ratios of US nuclear weapons.
A chart showing the yield-to-weight ratios of US nuclear weapons.

“Kilotons per kilogram”

“How many people worked on the Manhattan Project?”

“Would the atomic bomb have been used against Germany?”

“Heisenberg’s Dresden story: A wartime atomic mystery”

Illustration from the March 1944 article on the "Forbidden City" at Los Alamos, Cleveland Press.
Illustration from the March 1944 article on the “Forbidden City” at Los Alamos, Cleveland Press.

“The worst of the Manhattan Project leaks”

“What did the Nazis know about the Manhattan Project?”

“The Spy, the Human Computer, and the H-bomb”

“Who Made That Firebomb?”

A diagram of the Trinity "Gadget" released from the Soviet intelligence archives.
A diagram of the Trinity “Gadget” released from the Soviet intelligence archives.

“The price of the Manhattan Project”

A leaflet dropped on Japan by the US Army Air Forces <em>after</em> the bombing of Hiroshima and Nagasaki — which were <em>not</em> warned ahead of the attack (contrary to much popular misconception).
A leaflet dropped on Japan by the US Army Air Forces after the bombing of Hiroshima and Nagasaki — which were not warned ahead of the attack (contrary to much popular misconception).

“A Day Too Late”

“Narratives of Manhattan Project secrecy”

“Death of a patent clerk”

“Soviet drawings of an American bomb”

“How to make an atomic thunderstorm”

“In Search of a Bigger Boom”

A selection of the hundreds of badge photographs used at Project Y (Los Alamos) during World War II.
A selection of the hundreds of badge photographs used at Project Y (Los Alamos) during World War II.

“The Faces of Project Y”

“What Bohr told Beria”

A Soviet citizen stands with a mockup of their first atomic bomb's ballistic casing.
A Soviet citizen stands with a mockup of their first atomic bomb’s ballistic casing.

“Rare Photos of the Soviet Bomb Project”

“The Sound of the Bomb”

“The First Atomic Stockpile Requirements”

“Ol’ Blue Eyes”

“Do We Want Another Manhattan Project?”

“Assassination as Non-Proliferation: Historical and Sociological Thoughts”

“The Uncensored Franck Report”

Classified image shown to Congressmen in early 1953 to demonstrate the explosive power of the newly invented hydrogen bomb.
Classified image shown to Congressmen in early 1953 to demonstrate the explosive power of the newly invented hydrogen bomb.

“Bullseye on Washington”

A filing cabinet that was exposed to an atomic bomb test in 1955 in order to determine whether commercial and government records would survive a nuclear attack.
A filing cabinet that was exposed to an atomic bomb test in 1955 in order to determine whether commercial and government records would survive a nuclear attack.

“The Bureaucracy will Survive the Apocalypse”

“You Don’t Know Fat Man”

“Web-based Primary Sources for Nuclear History”