What's moving through AI, ranked by lead time.
Radar is an hourly index of what's moving through the AI ecosystem, ranked by where each story sits on the lead-time gradient: papers become repos become community threads become analysis. The earlier a story is caught, the more head start you have before the crowd. Every row carries its receipts — which source saw it first, how many independent sources have it, how long ago — so the ranking explains itself. It's the public face of the same pipeline that feeds Vlad's Newsletter.
frozen 10 Jul 2026, 22:26 UTC · 67/78 feeds live · 12,227 tracked since 12 Jun
- 1 Freeing Thucydides lesswrong.com · 12m
- 2 An Induction Head in Disguise: Chasing Grammar in a Character-Level Transformer lesswrong.com · 18m
- 3 SHOW HN: Beta TPMS Screening for Additive Manufacturing (Describe Your Part) cpetpms.com · 48m
- 4 The standard can be to admit the existence of a standard lesswrong.com · 1h
- 5 Apple Sues OpenAI, Accusing It of Stealing Company Secrets nytimes.com · 1h
276 stories entered the watched feeds in the last 24 hours — 25 in papers, 14 in repos, 209 in community, 28 in analysis. The scored board skews to Community (39 of 40). 2 stories are heating across independent sources, and the median lead across the ledger's 13 observed fires is 3h — measured, not estimated. Freshest receipt, 26h ago: caught in Hacker News best 2h before OpenAI News carried it. The oldest survivor has held the board for 5d.
- Community → Analysis +2h lead Hacker News best first · then OpenAI News 26h agoGPT-5.6
- Community → Analysis +2h lead Hacker News front first · then OpenAI News 26h agoChatGPT Work
- Papers → Community +11d lead arXiv cs.AI first · then Hacker News front 4d agoThe Hitchhiker's Guide to Agentic AI: From Foundations to Systems
- 1
- 2An Induction Head in Disguise: Chasing Grammar in a Character-Level Transformerlesswrong.comLive Signal Community · 18m old · via LessWrong
- 3SHOW HN: Beta TPMS Screening for Additive Manufacturing (Describe Your Part)cpetpms.comLive Signal Community · 48m old · via Show HN
- 4The standard can be to admit the existence of a standardlesswrong.comLive Signal Community · 1h old · via LessWrong
- 5Apple Sues OpenAI, Accusing It of Stealing Company Secretsnytimes.comLive Signal Community · 1h old · via Hacker News front
- 6
- 7Prismata: Confining cross-site prompt injection in web agentsarxiv.orgLive Signal Community · 1h old · via Hacker News front
- 8Show HN: Runko – monorepo platform on Git, with stacked review and workspacesgithub.comLive Signal Community · 1h old · via Show HN
- 9
- 10GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 yearsnebusec.aiLive Signal Community · 2h old · via Hacker News front
- 11Show HN: Spacemap.co – A 3D, real-time, real-scale map of the solar systemspacemap.coLive Signal Community · 2h old · via Show HN
- 12Don't discontinue Gemini 2.5 Flashdiscuss.ai.google.devLive Signal Community · 2h old · via Hacker News front
- 13Show HN: Cactus v2 – On-device AI with cloud fallbacknews.ycombinator.comLive Signal Community · 3h old · via Show HN
- 14Show HN: chwire – Native-Format ClickHouse JavaScript Client over HTTP/TCPgithub.comLive Signal Community · 3h old · via Show HN
- 15
- 16
- 17Scarf has moved away from Haskellavi.pressLive Signal Community · 9h old · seen in 2 sources HEATING ×2
- 18Show HN: Bunrun – agent-configured local dashboard to start/stop dev appsgithub.comLive Signal Community · 3h old · via Show HN
- 19Mayor Mamdani Announces Landmark "Click-to-Cancel" Consumer Protection Rulesnyc.govLive Signal Community · 3h old · via Hacker News front
- 20Show HN: C++ SFML SDL 2 Game Engine for Nintendo Switch, PC, Web and Mobilegithub.comLive Signal Community · 3h old · via Show HN
- 21
- 22Show HN: E– – a language you dial between English and Pythongithub.comLive Signal Community · 3h old · via Show HN
- 23Materials innovation has a scale-up problem, not discoveryatomscale.aiLive Signal Community · 3h old · via Hacker News front
- 24Persona Cartography: Charting Language Model Personality Traits in Weight Spacelesswrong.comLive Signal Community · 4h old · via LessWrong
- 25Show HN: Local Motion – Use Cursor Agents and Chat with a Local LLMgithub.comLive Signal Community · 4h old · via Show HN
- 26How the terrorist group Boko Haram uses frontier AIcasp.acLive Signal Community · 4h old · via Hacker News front
- 27The easiest pathway to control is through executive powerlesswrong.comLive Signal Community · 4h old · via LessWrong
- 2845% of Enthusiasts 'Seriously Considering' Leaving Sony for PCpushsquare.comLive Signal Community · 4h old · via Hacker News front
- 29GPT-5.6 Sol Ultra produces proof of the Cycle Double Cover Conjecture [pdf]cdn.openai.comLive Signal Community · 4h old · seen in 2 sources
- 30New York City to become first in US to ban deceptive subscription practicestheguardian.comLive Signal Community · 4h old · seen in 3 sources
- 31Show HN: A 100% branchless, CUDA-native AI guardrail kernel written in C++20github.comLive Signal Community · 4h old · via Show HN
- 32
- 33
- 34Show HN: Willow Voice – Free AI Dictationwillowvoice.comLive Signal Community · 5h old · via Show HN
- 35War Atlas: An interactive cartography of every named war in human historywaratlas.orgLive Signal Community · 5h old · via Hacker News front
- 36Bun vs. Deno vs. Node.js 2026: Real Benchmarks Misleadbyteiota.comLive Signal Community · 5h old · via Hacker News front
- 37The Human Substitution Test as a Sanity Check for AI Evaluationslesswrong.comLive Signal Community · 5h old · via LessWrong
- 38What Every Python Developer Should Know About the CPython ABIlabs.quansight.orgLive Signal Community · 5h old · via Lobsters
- 39Show HN: GenUI, native SwiftUI interfaces generated by AI agentsgithub.comLive Signal Community · 5h old · via Show HN
- 40Show HN: Veritas – 94 recurring truths found across cultureschestergrant.comLive Signal Community · 5h old · via Show HN
How Radar works
The gradient. Stories travel through the AI ecosystem in a rough sequence: they appear first in papers (arXiv, Hugging Face) or repos (GitHub), then surface in community discussion (Hacker News, Lobsters, LessWrong), then get interpreted in analysis (operator newsletters and essays). Radar ranks by where a story sits on that gradient. The earlier it is caught, the more lead time you have before it reaches consensus. The spectrum at the top of the page shows the last 24 hours of that flow — every story that entered the watched feeds, counted at the station where it first appeared.
The score. Each story gets a recency-decayed signal score. Every source tier carries a weight and a half-life, so live signal moves fast and fades fast while analysis sources move slowly and stay relevant longer. A story scores higher when two or more independent source families carry it — corroboration, not popularity, which is why five feeds of the same site count once. A small bonus applies when a story has visibly climbed the gradient. Stories past their tier's maximum age expire from the board.
Heating and lead time. A story is heating when it has surfaced in two or more independent source families. When the same story is observed first at an earlier stage and later at a higher one, Radar records the gap in hours — for example, seen on arXiv fourteen hours before it reached the Hacker News front page. That gap is the reader's lead time, and it is a measured span, never an estimate.
The honesty rule. Every value on this page is an observed fact from the feed log — which source carried a story, when, and how many. Radar makes no claim about what a story means; that is the newsletter's job. When a reading does not exist yet — no stories heating, nothing upstream — the page says so rather than inventing one.
- The spectrum band
- A filled flame tick is an early, lead-time-rich stage; a hollow tick is a later stage; a hollow ring on an empty span is a station with nothing on it yet.
- Signal class
- The tier chip: Live Signal moves fast and decays fast; analysis sources stay relevant longer. The ranker weights each accordingly.
- heating
- The same story in two or more independent source families — not two feeds of one site.
- seen in / via
- How many families carried it, or the single source that did.
Once a week, the operator read on what actually changed and the move it calls for. No digest, no hype.
Read the newsletter →