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  1. The Cheshire Cat's Grin - Janna Levin on Lex Fridman #johnwheeler #astrophysics #blackhole

    The Cheshire Cat's Grin - Janna Levin on Lex Fridman #johnwheeler #astrophysics #blackhole

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  2. Walter Isaacson: Elon Musk Is Driven by Cosmic Missions—Space, Energy, and Safe AI

    Walter Isaacson: Elon Musk Is Driven by Cosmic Missions—Space, Energy, and Safe AI

    14