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What people in AI, tech and science are talking about today.

20 October 2026 · Top 10

Ranked by how fast each item is picking up attention on X, Hacker News, GitHub and Hugging Face, with a short note on why it matters.

  1. MiniMax M3.1 Flash is free on Ollama Cloud for three days

    MiniMax's new Flash reasoning model scores 42 on the Artificial Analysis Intelligence Index, 13 points above MiniMax-M3 at under half the cost per task. Ollama is hosting it free for three days with a 1M-token context, and it plugs straight into Claude Code.

    Source: X · @ollama · @ollama · @ArtificialAnlysLink · Post on X · LinkedIn ·
    ▲ +98 eng/h339 likes · 15 reposts
    LLMs

  2. Supabase's CEO jokes he “reverse-engineered” Supabase with 12 Claude agents

    Paul Copplestone posted that 12 Claude agents ran in parallel for six hours to “reverse engineer” Supabase, and the company account played along. Supabase was already open source, so the joke lands on the wave of people cloning SaaS products with coding agents.

    Source: X · @supabaseLink · Post on X · LinkedIn ·
    ▲▲ +719 eng/h2,731 likes · 93 reposts
    LLMs

  3. WhatsApp’s help pages hid AI instructions not to recommend regulators

    Redact found 102 hidden blocks on 80 WhatsApp help pages, including orders telling its support chatbot not to point users to data protection authorities or cite GDPR once a lawyer came up. WhatsApp told WIRED it was a bug and removed the text, a sharp example of how hidden prompts can steer what an AI tells you.

    Source: Hacker News · discussionLink · Post on X · LinkedIn ·
    ▲▲ +38 pts/h235 points · 43 comments
    LLMs

  4. Vercel open-sources a fast HTML artifact builder on its durable libfx runtime

    Guillermo Rauch says making v0 survive server crashes, flaky LLMs and function limits was painful, so Vercel built libfx to make agents durable. The free ‘mini v0’ demo turns prompts into pure HTML using 200+ models via the AI Gateway, and you can fork it.

    Source: X · @rauchgLink · Post on X · LinkedIn ·
    ▲▲ +238 eng/h1,608 likes · 97 reposts
    AI & Agents

  5. free-my-tv: an ad-free Google TV home screen built with Claude Code

    This open-source launcher swaps Google TV’s ad-heavy home screen for a fast, clean one, with one button to undo. It picked up 540 GitHub stars in a day and is another small, useful app built mostly by a coding agent.

    Source: GitHubLink · Post on X · LinkedIn ·
    ▲▲ +50 stars/h540 stars in 1d
    AI & Agents

  6. Arch Linux on NVIDIA’s RTX Spark laptop, no Microsoft account needed

    Arch package maintainer Josephine Pfeiffer got Arch Linux ARM running on the 128 GB ASUS ProArt P16, which is officially Windows-only. On Linux the full 116 GiB pool is shared by CPU and CUDA, and a local Qwen model ran at about 30 tokens/s, the same as on Windows.

    Source: Hacker News · discussionLink · Post on X · LinkedIn ·
    ▲ +29 pts/h213 points · 104 comments
    Dev Tools

  7. Tom Scott on why clocks are more interesting than you’d think

    A new Tom Scott video on the surprisingly deep story of how clocks work and keep time. It’s one of the most-watched science uploads today.

    Source: YouTube · Tom ScottLink · Post on X · LinkedIn ·
    ▲▲ +36,100 views/h541,000 views
    Science

  8. Inception’s Mercury 3 shows diffusion LLMs can scale

    Mercury 3 is a diffusion-based language model that Inception says matches GPT-6 Luna and Claude Haiku 5.5 while running at over 1,000 tokens per second, with a 1M-token context. It’s live on OpenRouter, Baseten and Vercel at $0.20/$0.70 per million tokens, and half price at launch.

    Source: Hacker News · discussionLink · Post on X · LinkedIn ·
    ▲ +22 pts/h235 points · 85 comments
    Gen-Media

  9. Astronomers find a green star that shouldn’t exist

    Sabine Hossenfelder covers astronomers’ report of a star that appears green, something standard models of starlight say shouldn’t happen. A quick, skeptical take on a strange observation.

    Source: YouTube · Sabine HossenfelderLink · Post on X · LinkedIn ·
    ▲▲ +17,747 views/h266,000 views
    Science

  10. Plastic is fusing with corals and forming strange new minerals

    Anton Petrov covers findings that plastic waste is bonding with coral reefs and creating new mineral-like materials. It’s a vivid sign of how deeply plastic is entering the geological record.

    Source: YouTube · Anton PetrovLink · Post on X · LinkedIn ·
    ▲ +11,642 views/h93,000 views
    Science

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How this works

Signals today: 35 from X, 13 from Hacker News, 30 from arXiv, 17 from GitHub, 50 from HF Papers, 27 from YouTube. Scores combine how fast an item is picking up attention, how recent it is, and how many places it shows up. Each note is short, factual and links to the original. YouTube comes from public channel feeds of about fifty channels.