The FBI spent years investigating J. Robert Oppenheimer, who helped make the WWII-ending atomic bomb. During the surveillance, interviewees alleged he was feeding nuclear secrets to the Soviet Union.

Tech Insider : Politics
J. Robert Oppenheimer sitting in front of microphones during a hearing.
J. Robert Oppenheimer testifying at a hearing.

Bettmann / Getty Images Contributor

The work that Oppenheimer would've been known for if he hadn't gone on to make the atomic bomb

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J. Robert Oppenheimer smoking his pipe and standing in front of a blackboard filled with equations.
J. Robert Oppenheimer smoking his pipe and standing in front of a blackboard filled with equations.

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Science advisors for 'Oppenheimer' say Christopher Nolan taught himself quantum physics so well that it made their jobs easy

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Christopher Nolan in a grey suit and dark tie
Christopher Nolan at an Oppenheimer premiere.

Julien De Rosa/AFP/Getty

The US military once detonated a nuclear bomb directly above the heads of 5 officers

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US military Private First Class Jack Wilson (left, fore) and Sergeant Glenn Poth (right, fore) look at the smoke plume of a nuclear detonation as part of Operation Tumbler-Snapper at the Nevada Proving Grounds, Nevada, early to mid 1952.
The five men weren't required — — to stand under the explosion, which, unlike the one pictured here, would have been in the air, about three miles up.

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'Oppenheimer' leaves out the most terrifying, deadly risk of nuclear weapons because nobody knew about it until the 1980s

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J. Robert Oppenheimer,
J. Robert Oppenheimer on a visit to New York on November 17, 1945.

Getty Images

What it was like to live at the Los Alamos lab site during the Manhattan Project

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Buildings around Ashley Pond at the Los Alamos Project Y Site in 1942
The Los Alamos Ranch School buildings in 1942, which became part of the Los Alamos Project Y site.

National Security Research Center

'Oppenheimer' leaves out New Mexicans exposed to radiation from the Manhattan Project, despite local efforts to contact filmmakers

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Trinity Test
The mushroom cloud of the first atomic explosion at Trinity Test Site near Alamagordo, New Mexico.

AP Photo/File

Cillian Murphy didn't just want to act like Oppenheimer. He asked science advisors to help him think like him, too.

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A side by side photo of J Robert Oppenheimer and Cillian Murphy, in costume in a promotional photo for the movie
J Robert Oppenheimer [left] smoking his signature pipe and the actor Cillian Murphy [right] who is playing him in Christopher Nolan's 'Oppenheimer'.

Getty Images [left], Universal Pictures [right]

How Christopher Nolan recreated the Trinity Test atomic bomb explosion in 'Oppenheimer' without any CGI

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trinity nuclear bomb test distant yellow mushroom cloud erupting into orange sky
A colorized photo of the mushroom cloud produced by the Trinity nuclear test as it rises over the New Mexico desert on July 16, 1945.

National Security Research Center

Warren Buffett may feel torn about the 'Barbenheimer' clash. He's sold special-edition Barbies and warned about Oppenheimer's atomic bomb.

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Warren Buffett and Charlie Munger debuting a See's Candies Barbie
Warren Buffett (left) and Charlie Munger debuting a See's Candies Barbie.

CNBC's Warren Buffett Archive

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