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History Daily

The Manhattan Project: Race to the Atomic Bomb

The Manhattan Project: Race to the Atomic Bomb is the definitive podcast series on the most consequential — and secretive — scientific undertaking in human history. In the shadows of World War II, the United States mobilized 130,000 workers, the world's greatest scientific minds, and billions of dollars to build a weapon that would end the war and reshape civilization forever. This show tells that story in full. From the hidden cities of Oak Ridge and Los Alamos to the frantic calculations of physicists like Oppenheimer, Fermi, and Szilard, each episode pulls back the curtain on the human drama, political intrigue, and moral reckoning behind the bomb. Who were the engineers, soldiers, and ordinary workers who built a machine they didn't fully understand? What did it cost — in money, in conscience, in lives? And how did a secret so enormous stay hidden for so long? Whether you're a history enthusiast, a science buff, or simply someone who wants to understand how the modern world was made, this podcast delivers deeply researched, narrative-driven storytelling that brings one of the 20th century's most pivotal chapters to life. Subscribe now and follow the race that changed everything.

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7 episodes · Verified by YesOui

Episodes

Latest episodes

6 Aug 2026 · 15 min

Hanford's B Reactor: The Plutonium Factory That Won the War

Deep in the Washington desert, 51,000 workers built the world's first plutonium production reactor — and most of them had no idea what it was for. This is the story of Hanford's B Reactor: the secret industrial city that made the atomic bomb possible.
5 Aug 2026 · 13 min

Einstein's Letter to the Bomb: The Full Story of How It Began

From Einstein's 1939 warning to Roosevelt to the spies inside Los Alamos, this is the complete origin story of the atomic bomb. The Manhattan Project's cast of characters — Oppenheimer, Groves, Fermi, Fuchs — comes into full focus.
4 Aug 2026 · 13 min

Spies, Plutonium & the Weight of What They Built

The Manhattan Project's most dangerous secrets collide: the plutonium implosion breakthrough, Soviet spies embedded inside Los Alamos, and the moral reckoning that haunted the scientists who built the bomb. This is the chapter where the physics became history.
3 Aug 2026 · 15 min

Implosion: The Breakthrough That Saved the Bomb

The plutonium bomb was failing — and the Manhattan Project had to solve an impossible engineering problem or lose everything. This episode traces the implosion breakthrough that kept the atomic bomb alive.
2 Aug 2026 · 13 min

Chain Reaction: The Day Nuclear Fire Was First Unleashed

On December 2, 1942, Enrico Fermi triggered the world's first controlled nuclear chain reaction beneath a Chicago squash court — and the atomic bomb became inevitable. This episode follows the fear, secrecy, and physics that drove the Manhattan Project from Einstein's letter to the moment the chain reaction wouldn't stop.
1 Aug 2026 · 15 min

Einstein's Letter: The Moment That Started the Atomic Age

In 1939, a letter signed by Albert Einstein set the Manhattan Project in motion — but Einstein himself would never be granted security clearance to see what it unleashed. This episode traces the project's origins, Oppenheimer's audacious recruitment drive, and the secret city where 130,000 people built the most dangerous weapon in history.
31 Jul 2026 · 14 min

The Secret Machine: How 130,000 People Built the Atomic Bomb

The Manhattan Project was the most secretive scientific operation in history — 130,000 people across 30 sites, none of them knowing the full picture. This first chapter traces everything from Einstein's letter to the moment Enrico Fermi proved the chain reaction was real.