The Butterfly Effect is Much Stranger Than We Thought
Sabine Hossenfelder
Sep 3, 2026 15:00
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The butterfly effect is much stranger than most people think, and the famous line about a butterfly in Brazil isn't what Lorenz actually meant. A group of researchers has now worked out that quantum physics puts a hard wall on weather prediction, at 129 days. Not difficult after that. Impossible. And this has implications far beyond the weather forecast because chaos enters in everything from nuclear fusion to robotics to black hole physics. Let's take a look.
Paper: https://doi.org/10.1007/s00376-026-5621-8
#science #sciencenews #physics #quantumphysics #butterflyeffect #chaostheory
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