'Oppenheimer' fact v. fiction: What the movie got right and wrong according to a nuclear historian

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J. Robert Oppenheimer in the classroom.
J. Robert Oppenheimer in the classroom.

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Einstein's last message was a dire warning against nuclear war that's still relevant today. Here's what it said.

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J. Robert Oppenheimer working with Albert Einstein.
Albert Einstein and J. Robert Oppenheimer both feared how nuclear weapons would be used in the future.

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Oppenheimer's famous quote 'I am become Death' isn't really his. The ominous words come from Hindu scripture.

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J. Robert Oppenheimer in the classroom.
J. Robert Oppenheimer in the classroom.

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31 Nobel Prize winners had ties to the Manhattan Project. Oppenheimer isn't on the list.

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Nobel Prize winners Ernest Lawrence Enrico Fermi, and Isidor Isaac Rabi stand together talking in the late 1930s
Ernest Lawrence, Enrico Fermi, and Isidor Rabi all won the Nobel Prize and contributed to the Manhattan Project.

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'Oppenheimer' doesn't get Einstein's relationship with the Los Alamos director quite right. Here's what they really thought of each other.

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Einstein and Oppenheimer talking in Oppenheimer movie
Tom Conti as Albert Einstein and Cillian Murphy as J. Robert Oppenheimer in "Oppenheimer."

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How hydrogen bombs compare to atomic bombs, and how scientists created the most destructive weapon ever

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Atomic bomb mushroom cloud on the left compared to a much larger hydrogen bomb mushroom cloud on the right.
The Trinity test (left) was made from an atomic bomb whereas Ivy Mike (right) came from a hydrogen bomb.

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