📡 Radar — 16 Sep 2026

The daily catch for 16 September — all days →

📡 16 Sep 2026

🛠️ AI Development

• Post

  Periodic Labs' Neon: an RL-trained open model beats GPT-6 Astra on materials analysis

  Periodic Labs post-trains an open model via an RL loop on real X-ray-diffraction lab data — it beats GPT-6 Astra on the analysis and lifts Kimi K2.6 ~20x. A pointer to the work, not the release.

  via @iScienceLuvr ↗
• Article

  Stellar Colosseum: a many-agent harness for long-horizon math and CS research

  A Google Research paper: a multi-agent system that explores routes before committing, gates when to decompose, and falsifies its own candidates — 71% on theorem proving, 218/222 comp-programming.

🎨 AI Design & UX

• Video

  Inside Stripe's AI-powered design system at scale

  A behind-the-scenes case-study video with the Stripe design team on shipping more, faster with internal AI tooling without letting the quality bar slip — reframed as designing a system for that scale.

  via @benblumenrose ↗
• Article

  AI Can Help Write an Article, but It Can't Stand Behind It

  NN/g on where AI fits an editorial and UX-writing workflow — clarity edits, formatting, adapting across channels — and where it doesn't: human experts still evaluate, refine and vouch for what ships.