You might think unbelievably loud, shrill sirens on ambulances and fire trucks are just a fact of life. But what if we got the facts all wrong? In this special episode of Revisionist History, Ben Naddaff-Hafrey starts a movement to end the reign of the siren.

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Elon Musk has claimed that AI is humanity’s “biggest existential threat.” Paradoxically, Musk is also working to create artificial intelligence. Why? Jill Lepore tours through a century of imagined robot rebellions, and argues that these stories are never only about robots. So what’s Elon Musk really afraid of when he wrings his hands over AI? In this final episode, Lepore argues that while Musk may be a visionary, “every piece of Muskism has origins in a future foretold in science fiction, long, long ago, as a cautionary tale.”

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In 2022, Elon Musk bought Twitter for $44 billion, and renamed it X. When asked why he wanted to own the social media network, Musk talked a lot about something he called the “woke mind virus.” Where does the idea of a mind virus come from? Jill Lepore looks to Cold War science fiction and the recently uncovered writings of Elon Musk’s grandfather in South Africa.

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