Away from test benches, I keep a close eye on fluid mechanics, space, cinema and a few sports: every week, a short post on one of them, with my sources and my view.

• Science & engineeringFluid mechanics

  Navier-Stokes: has an AI really solved the problem?

  14/11/2026

  OpenAI says it has solved one of mathematics' great problems, on the equations of fluids. Mathematicians are still checking.

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• CinemaMexican cinema

  Moscas: a Mexican film I loved, in black and white

  14/11/2026

  Seen at the Viva México festival in Paris, "Moscas", Fernando Eimbcke's 2026 film, is my favourite of the autumn.

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• SportChess

  Chess: Gukesh and Sindarov play for the world title in Geneva

  14/11/2026

  From 22 November to 12 December, world champion Gukesh defends his title in Geneva against Javokhir Sindarov, who is rated above him.

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Written with the help of AI from the sources cited, reviewed and approved by Nathan Lefeuvre.