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Tony Stark was able to do it in a cave with a box of scraps.

• jareklupinski 2y ago
  Maria Hill: When did you become an expert in thermonuclear astrophysics? Tony Stark: Last night. The Avengers (2012)
  • belter 2y ago
    That is nothing..Sam Altman did it, on his way to this podcast... https://youtu.be/4gASfaRWe7s https://youtu.be/4gASfaRWe7s
    • deadbabe 2y ago
      On Hackernews some people don’t even do it at all, they just know.
      • ethbr1 2y ago
        We do it by reading a thread of such insightful comments that our third eyes are instantly opened.