Physicist calls OpenAI's Navier-Stokes solution physically meaningless despite loophole win
GaryMarcus · x · 2026-10-30
Gary Marcus shares a deep analysis of OpenAI's claimed Navier-Stokes result: while the solution exploits a huge loophole in the Clay Mathematics Institute's conditions, its forcing function can never occur in natural physics — inducing blowup would require a vortex core over 10^12 times the radius of the observable universe. The result teaches nothing about whether Navier-Stokes is well-conditioned under real physics, which was the point of the Millennium Prize problem.
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