Chain Reactions & Hidden Cities: How the Manhattan Project Was Built
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Chain Reactions & Hidden Cities: How the Manhattan Project Was Built
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ナレーター：
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著者：
(00:01:35) Building the Secret World
(00:03:23) Fermi Under the Squash Court
(00:04:54) The Plutonium Problem
(00:06:30) Spies in the Desert
(00:08:03) Trinity
(00:09:58) Hiroshima and Nagasaki
(00:11:30) The Moral Aftermath
Before Hiroshima, before Trinity, before the implosion device was even a confirmed theory, the Manhattan Project had to become something almost impossible to imagine: a fully functioning secret world. One hundred thirty thousand workers. Thirty sites across the country. And almost none of them told what they were actually building.
This episode follows the early architecture of the project — from Einstein's 1939 letter and Leo Szilard's urgent push to get Roosevelt's attention, to Oppenheimer personally recruiting the country's top physicists and asking them to vanish into the New Mexico mountains. Los Alamos was a city, not just a laboratory. Families lived there, children went to school there, and a few hundred yards away scientists were redesigning the laws of war.
At the University of Chicago, Enrico Fermi achieved the experiment that made everything else possible. Under the west stands of Stagg Field — in a converted squash court — his team assembled Chicago Pile-1 and, on 2 December 1942, achieved the world's first self-sustaining nuclear chain reaction. No explosion. No flash. Just numbers climbing on instruments, and a bottle of Chianti shared from paper cups.
Then came the plutonium problem. The B Reactor at Hanford was producing weapons-grade material, but it behaved unexpectedly — a contaminant called plutonium-240 threatened to pre-detonate any gun-type design. The solution would require an entirely new concept: implosion. The project's greatest engineering challenge had only just begun.
This episode includes AI-generated content.
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