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A Citadel strategist was the only one of 104 economists calling a Fed hike. The market tanked. Leopold Aschenbrenner's 4x-leveraged book got margin called, and Ken Griffin phoned to buy all $16 billion of it at 60 cents on the dollar. Then the Fed didn't hike, and Citadel made 500M overnight. We br…
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A 100-year-old conjecture was proved false on a laptop during the World Cup final. Anthropic's Levent Alpoge used Claude Fable 5 to find a three-dimensional counterexample disproving the Jacobian conjecture - we break down what the Jacobian actually is (in Google Maps terms) and why Anthropic is th…

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