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Why Does the Universe Expand?

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  1. One-Electron Universe

    The article explains the one‑electron universe hypothesis: Wheeler’s idea that all electrons and positrons are different segments of a single particle’s world‑line moving forward and backward in time, with historical notes on Feynman and Stueckelberg.

    Hacker News front pagewikipedia.org2 minHN19299
  2. If math is more than proof, we need to better celebrate the rest of it

    The author argues that mathematics should reward “motivated explanations” – narrative, intuition‑driven expositions that clarify why a theorem is interesting and how it fits into broader context – on par with traditional proof‑oriented work. He defines the concept, contrasts it with proofs, cites examples (Princeton Companion, Thurston’s essays, Chow’s exposition paper), and suggests formalizing…

    Hacker News front pagewordpress.com12 minHN423284
  3. datasette-explain 0.2.2

    datasette-explain 0.2.2 is a minor update for a Datasette plugin that provides SQL query explanation and validation. The primary enhancement is enabling explain plans on read-only stored-query pages.

    Simon Willisonsimonwillison.net1 minrelease
  4. Can MiniMax-H3 Reason About the Physical World? An Evaluation of Omni-Modal Generative Model

    This paper introduces a novel evaluation framework to assess the physical world reasoning capabilities of omni-modal generative models like MiniMax-H3. It found that MiniMax-H3 achieved an overall success rate of 41.97% across 517 instances, with significant performance variations depending on the input modalities and reasoning tasks.

    Hugging Face Daily Papersarxiv.org2 minpaper
  5. For SeaVerse, GKE Agent Sandbox reduces infrastructure costs by 60%

    SeaVerse uses GKE Agent Sandbox (Kata Containers + Cloudhypervisor or gVisor) to run isolated AI sandboxes at scale, achieving 300 allocations / s per cluster (90% ≤ 200 ms) and cutting infrastructure spend by up to 60% via flexible VM sizing and per‑sandbox persistent storage, while gaining native Cloud observability.

    Google Cloud Bloggoogle.com5 min