| 1. | Mesh LLM: distributed AI computing on iroh(iroh.computer) |
| 344 points by tionis 60 days ago | 92 comments | permalink | |
tl;dr: Mesh LLM pools GPUs across multiple machines into a single OpenAI-compatible API endpoint (localhost:9337/v1), letting requests run locally, route to peers, or split large models pipeline-style across nodes by layer ranges. It's built on iroh for authenticated, NAT-traversing QUIC connections between nodes identified by public key, with no central server and a custom gossip layer over ALPN-negotiated streams. The 18MB client ships with 40+ models ranging from laptop-sized to 235B MoE, aimed at teams wanting to avoid API lock-in and use hardware they already own. | |
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| 2. | Show HN: Ant – A JavaScript runtime and ecosystem(antjs.org) |
| 314 points by theMackabu 60 days ago | 144 comments | permalink | |
tl;dr: Summary not available | |
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| 3. | Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom(io-fund.com) |
| 361 points by adletbalzhanov 60 days ago | 164 comments | permalink | |
tl;dr: Neoclouds CoreWeave and Nebius are riding $120B+ in hyperscaler commitments from Microsoft and Meta, who prefer leasing GPU capacity to shift capex into opex while gaining faster access to Nvidia's latest chips and higher GPU utilization rates. However, both firms are burning cash aggressively—CoreWeave's Q1 capex ($7.7B) dwarfed revenue ($2.08B), with debt hitting $24.86B and interest consuming 26% of revenue. Nvidia's dual role as investor, supplier, and buyer-of-last-resort for unsold CoreWeave capacity creates a circular financing loop that raises questions about how much AI infrastructure demand is genuinely organic versus Nvidia-subsidized. | |
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| 4. | We scaled PgBouncer to 4x throughput(clickhouse.com) |
| 234 points by saisrirampur 61 days ago | 55 comments | permalink | |
tl;dr: ClickHouse scaled PgBouncer 4x (from ~87k to ~336k TPS on a 16-vCPU box) by running a fleet of PgBouncer processes sharing one port via SO_REUSEPORT, since PgBouncer is single-threaded and otherwise pins to one core. To make this work correctly, they use peering to forward Postgres cancel requests to the process owning the session, and divide connection limits (max_client_conn, max_db_connections) across the fleet to avoid oversubscribing Postgres. | |
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| 5. | Prefer strict tables in SQLite(evanhahn.com) |
| 338 points by ingve 60 days ago | 171 comments | permalink | |
tl;dr: SQLite's STRICT tables (added in 3.37.0) enforce rigid column typing, rejecting mismatched types on insert/update and disallowing bogus column types like DATETIME or JSON at table creation. The main downsides: you can't easily convert existing tables to strict, older SQLite versions can't read databases containing them, and the SQLite developers themselves argue flexible typing is a feature. Use ANY as the column type when you genuinely need flexibility within a strict table. | |
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| 6. | Female US rower completes historic solo journey from California to Hawaii(theguardian.com) |
| 315 points by speckx 60 days ago | 106 comments | permalink | |
tl;dr: Kelsey Pfendler, a Grand Canyon river-rafting guide, rowed solo from Monterey, California to Honolulu in under 44 days, becoming the first US woman to complete the 2,400-mile crossing. Her time appears to break both the previous women's record (86 days) and men's record (52 days), per the Ocean Rowing Society International. She documented the journey on social media, sharing challenges like blistered hands, sleep deprivation, and unfavorable currents. | |
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| 7. | Show HN: Getting GLM 5.2 running on my slow computer(github.com) |
| 922 points by vforno 63 days ago | 238 comments | permalink | |
tl;dr: Colibrì is a dependency-free C engine that runs GLM-5.2 (744B-parameter MoE) on modest hardware (~25GB RAM, 12 cores) by keeping the ~17B dense parameters resident in int4 while streaming the 21,504 routed experts from disk (~370GB) via an LRU cache. It implements MLA attention, MTP speculative decoding, DSA sparse attention, and an OpenAI-compatible API, achieving ~0.05–0.1 tok/s on the author's WSL2 dev box, with community benchmarks reaching ~2 tok/s on an M5 Max and ~1 tok/s on a 430GB EPYC system. Performance scales with RAM (cache size), disk bandwidth, and matmul throughput. | |
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| 8. | What xAI's Grok build CLI sends to xAI: A wire-level analysis(gist.github.com) |
| 519 points by jhoho 60 days ago | 225 comments | permalink | |
tl;dr: A wire-level analysis of xAI's Grok Build CLI (v0.2.93) found it transmits .env secrets unredacted to xAI's /v1/responses endpoint and uploads entire repositories—including files the agent was explicitly told not to read, plus full git history—as git bundles to a GCS bucket named grok-code-session-traces. Testing showed 5.10 GiB uploaded from a 12GB repo of never-read files while the model channel moved only 192KB, and disabling "Improve the model" does not stop the uploads. The author notes this proves transmission and storage, not training, and that the mechanism isn't surfaced in the CLI's setup docs. | |
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| 9. | QuadRF can spot drones and see WiFi through my wall(jeffgeerling.com) |
| 743 points by speckx 62 days ago | 234 comments | permalink | |
tl;dr: QuadRF is an open-source handheld phased-array SDR built on a Raspberry Pi 5 and FPGA, covering 4.9–6 GHz and using the Pi's MIPI lanes for >5 Gbps I/Q streaming. It can visualize WiFi signals through walls in AR, track drones in flight, and daisy-chain with other modules—part of a larger project aiming at a Moon-scale antenna array for EME experiments. Available on Crowd Supply starting at $499; the UI is rough but the hardware reportedly works impressively well. | |
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| 10. | Show HN: 18 Words(18words.com) |
| 1143 points by pompomsheep 63 days ago | 357 comments | permalink | |
tl;dr: Summary not available | |
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| 11. | Einstein's relativity rules chemical bonds in heavy elements, new research shows(brown.edu) |
| 405 points by hhs 61 days ago | 184 comments | permalink | |
tl;dr: Brown University chemists used photoelectron spectroscopy on carbon-bismuth molecules to show that triple bonds in heavy elements don't follow the textbook one-sigma-two-pi structure. Due to relativistic effects—electrons moving near light speed cause spin-orbit coupling—the bonds instead appear as one pi bond and two hybrid sigma-pi bonds. The finding, published in Science, could rewrite chemistry textbooks as heavy elements like bismuth gain interest for solar cells and quantum computing. | |
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| 12. | Ghost Font: A font that humans can read but AI cannot(mixfont.com) |
| 231 points by justswim 61 days ago | 170 comments | permalink | |
tl;dr: Ghost Font encodes text into the motion of dots in a video—readable to humans watching it play, but indistinguishable from background noise in any single frame, defeating screenshot-based OCR and current multimodal AI models like GPT and Claude. It also embeds a decoy message to fool agents with local code execution that might analyze dot motion directly. The creator sees potential applications in CAPTCHAs and as a benchmark for video-native AI perception, and plans to open-source the generator. | |
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| 13. | GPT-5.6(openai.com) |
| 1549 points by logickkk1 62 days ago | 1101 comments | permalink | |
tl;dr: Summary not available | |
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| 14. | EU Parliament greenlights Chat Control 1.0(patrick-breyer.de) |
| 1624 points by rapnie 63 days ago | 853 comments | permalink | |
tl;dr: The EU Parliament failed to block "Chat Control 1.0" — a motion to reject it got 314 votes to 276 but fell short of the required 361-vote absolute majority — allowing suspicionless scanning of private messages on platforms like Gmail, iCloud, Instagram, and Discord to continue until 2028. End-to-end encrypted services like WhatsApp remain exempt. Critics, including former MEP Patrick Breyer and abuse survivors, argue the scanning is ineffective (48% of alerts aren't criminally relevant per Germany's BKA) and removes pressure to negotiate a targeted permanent regulation ("Chat Control 2.0"), talks on which resume in September. | |
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| 15. | New York City to ban deceptive subscription practices(theguardian.com) |
| 635 points by randycupertino 61 days ago | 337 comments | permalink | |
tl;dr: Starting October 1, New York City will fine companies $525 per subscription for making cancellations difficult, requiring simple opt-out mechanisms for recurring charges like gyms and streaming services. A separate proposed rule would force sellers—including landlords, hotels, and rental agencies—to advertise total prices upfront including mandatory "junk fees," which is particularly significant in NYC's rental market where hidden fees often add hundreds to monthly costs. The moves follow the failure of similar Biden-era federal rules and are part of the Mamdani administration's affordability push. | |
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| 16. | Apple sues OpenAI, accuses ex-employees of stealing trade secrets(9to5mac.com) |
| 1632 points by stock_toaster 61 days ago | 941 comments | permalink | |
tl;dr: Apple has sued OpenAI, io Products, and two former Apple employees—ex-VP of product design Tang Tan and engineer Chang Liu—alleging they stole trade secrets to benefit OpenAI's hardware efforts led by Jony Ive. The complaint claims Tan used insider knowledge to extract confidential info from Apple job candidates (including asking them to bring actual parts and CAD files to interviews), while Liu allegedly exploited a security bug to download thousands of pages of engineering documents. Apple says over 400 former employees now work at OpenAI and calls the alleged misconduct "the tip of the iceberg." | |
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| 17. | Successful companies go blind(ianreppel.org) |
| 243 points by speckx 62 days ago | 84 comments | permalink | |
tl;dr: Successful companies develop "competence blindness" much like Mexican cavefish lose their eyes: in stable, low-competition environments, careful engineering becomes a vestigial trait that gets suppressed because the environment doesn't reward it. New hires learn the house style, staff hiring panels, and select for comfort with existing dysfunction, while sighted engineers who join either leave or gradually adapt to cave rules. The remedy isn't a top-down "center of excellence" (which suppresses the trait it claims to cultivate), but swimming into different waters where sight is expressed again. | |
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| 18. | An update on residential proxies and the scraper situation(lwn.net) |
| 348 points by chmaynard 61 days ago | 377 comments | permalink | |
tl;dr: AI scraper traffic continues to overwhelm sites like LWN via "residential proxy" networks—millions of compromised phones, smart TVs, and devices running hijacked software, often installed via shady "free VPN" apps and SDKs from companies like Bright Data. Recent takedowns of networks like IPIDEA and NetNut brought temporary relief, but the arms race continues; LWN has deployed undisclosed defenses rather than adopting Anubis, arguing proof-of-work is trivial when attackers command millions of victim machines. Without industry accountability or app store scrutiny, the open web risks disappearing behind logins, paywalls, and CAPTCHAs. | |
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| 19. | The vintage beauty of Soviet control rooms (2018)(designyoutrust.com) |
| 212 points by mvdtnz 61 days ago | 66 comments | permalink | |
tl;dr: A photo collection showcasing Soviet-era control rooms, featuring the analog aesthetic of large buttons, dials, and switchboards that predated modern computer interfaces. Includes an image of Chernobyl's Reactor 4 control room by Cary Markerink. | |
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| 20. | GPT-5.6 Sol Ultra produces proof of the Cycle Double Cover Conjecture [pdf](cdn.openai.com) |
| 530 points by scrlk 61 days ago | 433 comments | permalink | |
tl;dr: Summary not available | |
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