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Hacker News

Show HN: I RL-trained an agent that trains models with RL (for ~$1.3k)

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Show HN: Beautiful Type Erasure with C++26 Reflection

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Coding agents think ahead of time

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Differentiable Fortran with LFortran and Enzyme

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Germany set to restrict its Freedom of Information Act

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How to stop Claude from saying load-bearing

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Mathematical texts from a Maya site in Guatemala identify an ancient astronomer

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The Definition of Done

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Punch yourself in the face with reality

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No Spanish reading crisis?

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Codex scraped the ICM website and discovered 2026 Fields Medal winner list

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Show HN: Beautiful QR Codes

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Codex starts encrypting sub-agent prompts

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Show HN: Rejourney – Open-source revenue leak prediction for web and mobile apps

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The Future Worth Building Is Human

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Actegories

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The great digital fatigue: How digital burnout is changing social media use

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Demis Hassabis has a plan to harness AI safely

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European "age verification" "app" forcing everyone to use Android or iOS

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Alternative(s) to run CUDA on non-Nvidia hardware

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Two Case Studies of NaN

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The Anatomy of an Instruction Pipeline Hazard

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Show HN: Benchmark your eng team's AI agent maturity in 5 minutes

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Indian scientists produce most detailed 3D atlas of the human brainstem

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Just Let Me Write Digits

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OpenAI's Ad Business Is on Pace to Miss Its Own Forecast by 90%, Analyst Says

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Australian energy retailers must offer three hours of free daytime electricity

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YouTrackDB is a general-use object-oriented graph database

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America's Other Elections Problem

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Agents.md – Dumb Human

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Our Amish Language

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Japan develops a method to recover up to 90% of lithium from used EV batteries

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Fundamentals of Wireless Communication (2005)

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Satellite Tracker – Live Map of Starlink and 30k Satellites

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What will be left for us to work on?

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Building Food Metadata with LLM Juries

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Is x86 ready to ACE it?

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The Economics of Recursive Self-Improvement [pdf]

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MorphoHDL: A minimalistic language for growing circuits

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Show HN: MemStitch – Zero-copy context bridging for vLLM (25x TTFT speedup)

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ESBMC-Arduino: Closing the Deployment Gap for Formal Verification

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The git history command

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What did SFFA vs. Harvard reveal about admissions?

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Success may not matter if you aren't doing what you love

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Turn your singing voice into printable notes (in the browser)

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What are Forward Deployed Engineers, and why are they so in demand? (2025)

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Show HN: Sx 2.0 – Share AI skills with your team through a Dropbox folder

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Show HN: ContextVault – Shared memory layer for your AI and your team

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The AI Whale Fall and Open Source

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An Englishwoman who sketched India before photography took hold

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