Female US rower completes historic solo journey from California to Hawaii

257 speckx 2026-07-11 17:03:23 UTC theguardian.com Qwen Share 87

Kelsey Pfendler became the first US woman, youngest, and fastest to solo row 2,400 miles from California to Hawaii in under 44 days, breaking both women's and men's records. She documented her journey, highlighting challenges and inspiring others to pursue their "big, hard, scary" goals.

Prefer strict tables in SQLite

221 ingve 2026-07-11 17:33:55 UTC evanhahn.com Qwen Share 110

SQLite's strict tables enforce rigid typing to prevent data type errors, require valid column definitions, and allow 'ANY' for flexibility. Introduced in 3.37.0, they improve data integrity but require upfront setup and may conflict with older versions or flexible use cases.

Networking and the Internet, from First Principles

195 faza 2026-07-11 12:30:40 UTC fazamhd.com Qwen Share 65

The internet uses packet-switching, routing data via decentralized protocols like TCP/IP, enabling scalable, reliable global communication. Rooted in ARPANET, it evolved from telegraph principles to a protocol-driven network with DNS and TLS for addressing and security, operating without central control.

Ghost Font: A font that humans can read but AI cannot

194 justswim 2026-07-11 09:36:53 UTC mixfont.com Qwen Share 146

Ghost Font uses motion and decoy messages in videos to create human-readable text invisible to AI models, unlike the now-obsolete ZXX font. It explores AI perception limits and potential applications like CAPTCHA, though encryption remains the most secure method.

The vintage beauty of Soviet control rooms (2018)

193 mvdtnz 2026-07-11 05:19:41 UTC designyoutrust.com Full Share 65

Just for the pleasure, a selection of vintage control rooms dating back to the Soviet era! A beautiful collection of control rooms filled with large buttons and analog dials, long before the democratization of computers and screens. If you want more awesome content, subscribe to Design You Trust Facebook page.

Show HN: Ant – A JavaScript runtime and ecosystem

182 theMackabu 2026-07-11 20:07:18 UTC antjs.org Qwen Share 79

Ant uses Hono for isolated module initialization without an HTTP server, enabling 40x faster package installation and secure execution via VM sandbox. It leverages ants.land registry with npm protocol support, offering ESM compatibility and cross-manager package management.

AI 2040 and the cult of intelligence

181 rvz 2026-07-11 18:04:01 UTC geohot.github.io Qwen Share 217

The author critiques overestimated AI takeoff potential, highlighting real-world engineering complexities and intelligence's limits. They advocate for user-aligned, local AI to preserve freedom against corporate control and dystopian alignment narratives.

We scaled PgBouncer to 4x throughput

181 saisrirampur 2026-07-11 15:28:02 UTC clickhouse.com Qwen Share 36

Using multiple PgBouncer processes with SO_REUSEPORT and peering leverages all CPU cores, achieving 4x throughput vs. a single process. This setup avoids pooler bottlenecks, maximizing resource use under high concurrency.

Leaded gas was a known poison the day it was invented (2016)

174 downbad_ 2026-07-11 17:27:55 UTC smithsonianmag.com Qwen Share 118

In 1921, Thomas Midgley Jr. introduced leaded gasoline to solve engine knocking, despite its known toxicity, causing decades of health and environmental harm. Though phased out by the 1970s, lead's legacy persists in contaminated environments and ongoing health issues, particularly in children.

Modern decor may be straining people's brains

170 downwithdisease 2026-07-11 16:28:48 UTC studyfinds.com Qwen Share 185

Striped floors and flickering LEDs may overload the brain, causing headaches or nausea by triggering excessive neural activity, particularly affecting neurodivergent individuals. The study suggests design adjustments like reducing contrast and using tinted lenses could alleviate discomfort by addressing visual stress.

Stop Telling Me to Ask an LLM

162 theorchid 2026-07-11 22:28:48 UTC blog.yaelwrites.com Qwen Share 88

The author prefers texting/emailing over calls but seeks human expertise for complex questions, frustrated by being redirected to AI/LLM solutions. They argue that while AI answers many queries, nuanced problems require human judgment and lived experience, which models can't replicate.

Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom

160 adletbalzhanov 2026-07-11 17:21:49 UTC io-fund.com Qwen Share 57

Neoclouds like CoreWeave and Nebius grow via hyperscaler demand for AI infrastructure, leveraging Nvidia GPUs and optimizing compute utilization. However, rapid expansion relies on high debt and circular financing with Nvidia, risking sustainability amid cash flow gaps and macroeconomic pressures.

Show HN: Learn by rebuilding Redis, Git, a database from scratch

129 acley 2026-07-11 13:40:27 UTC shipthatcode.com Full Share 35

Pick a system. Build it from scratch. Every lesson is choose → write → run, until it clicks. Each card opens a structured Fundamentals → Intermediate → Advanced track. Tap the > chevron to reveal all 37 languages. “You can’t cheat — you either solve the problem or you don’t. It’s the first platform where I actually understand what I’m writing.”

Your code is fast – if you're lucky

124 chrka 2026-07-11 10:50:10 UTC tiki.li Qwen Share 83

Modern compilers like Clang optimize Quicksort with branchless code (csel/cmov), achieving ~6x speedup over original and nearly double std::sort's performance on macOS/M1. GCC generates slower branch-based code for equivalent logic, highlighting compiler-specific optimizations.

FCC approves test of space mirror to light night sky

117 reaperducer 2026-07-11 12:12:34 UTC theconversation.com Qwen Share 142

The FCC approved Reflect Orbital's solar-reflecting satellite, sparking health, safety, and environmental concerns, while SpaceX's massive satellite plans and unregulated "weird space stuff" threaten orbital sustainability and atmospheric integrity. Unchecked satellite expansion, including AI data centers and debris, risks collisions, ozone depletion, and greenwashing, highlighting the need ...

Weightlifting beats running for blood sugar control, researchers find (2025)

109 sublinear 2026-07-11 22:49:42 UTC news.vt.edu Qwen Share 61

Virginia Tech researchers found resistance training outperforms running in reducing obesity and diabetes risk in mice, improving fat loss and insulin sensitivity more effectively. The study highlights weightlifting as a viable alternative for those unable to engage in endurance exercise.

How to hide from killer drones

106 pseudolus 2026-07-11 18:22:02 UTC economist.com Qwen Share 132

Russian military lorries in Ukraine use bold black-and-white stripes to disrupt Ukrainian drone vision systems, not human observers. This anti-machine camouflage tactic was highlighted in The Economist's "Hiding in plain sight" article.

Why it's so difficult to produce American-made medical gloves

105 helsinkiandrew 2026-07-11 09:16:10 UTC bloomberg.com Full Share 142

Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. For more information you can review our and .

UPI: Anatomy of a Payment Transaction

103 prtk25 2026-07-11 16:33:42 UTC timeseriesofindia.com Qwen Share 35

UPI payments involve apps, sponsor banks, and NPCI's central switch, with money debited before crediting, ensuring reliability despite hidden complexity. Over 2,272 crore transactions in June 2026 highlight its scale, with failures mostly due to user errors, not system flaws.

Reverse centaurs are the answer to the AI paradox (2025)

93 jason_s 2026-07-11 17:23:52 UTC pluralistic.net Qwen Share 52

The "reverse centaur" paradox reveals AI's dual role: empowering users as collaborative tools ("centaurs") or exploiting workers as unchecked systems ("reverse centaurs"), while the AI investment bubble risks societal harm before leaving fragmented benefits. The author critiques AI's labor displacement and corporate control, advocating for ethical critique in their upcoming book.

Mesh LLM: distributed AI computing on iroh

92 tionis 2026-07-11 22:38:57 UTC iroh.computer Qwen Share 24

Mesh LLM enables distributed GPU pooling for OpenAI-compatible APIs, offering control, cost efficiency, and peer-to-peer networking via iroh, avoiding centralized cloud lock-in. It splits models across devices, supports private/public deployment, and uses decentralized QUIC connections for seamless, scalable inference.

The early History of the Singular Value Decomposition (1993) [pdf]

90 wolfi1 2026-07-11 15:26:12 UTC math.ucdavis.edu Full Share 55

Speculations Concerning the First Ultraintelligent Machine (1965) [pdf]

89 zetalyrae 2026-07-11 13:33:17 UTC languagelog.ldc.upenn.edu Qwen Share 47

Designing ultraintelligent machines demands understanding brain-like subassemblies and semantics for efficient memory and meaning. These machines, leveraging parallel processing, could surpass human intelligence, necessitating control to manage their transformative impact.

USAA closed 51% of home insurance claims without making a payment in 2025

72 gscott 2026-07-11 14:46:38 UTC expressnews.com Full Share 50

A required part of this site couldn’t load. This may be due to a browser extension, network issues, or browser settings. Please check your connection, disable any ad blockers, or try using a different browser.

The Chinese Voice Actor Forced to Prove He's Human

71 homarp 2026-07-11 19:46:00 UTC sixthtone.com Qwen Share 11

Voice actor Shen Anyu fights AI clones of his voice, which platforms flag as synthetic, costing him income and requiring legal battles. China's short-video and audiobook industries face job erosion as AI replaces human performers, with companies using cheaper synthetic voices.

Who manages the agents?

70 GavCo 2026-07-11 18:02:33 UTC off-policy.com Qwen Share 84

A small AI "clergy" controls frontier systems, predicts job displacement, and restricts access under safety claims, while critics warn this creates a two-tiered system. They advocate democratizing AI to empower the median user, prioritizing human agency over concentrated control.

Count Binface, Nigel Farage's space-warrior foe

69 tagawa 2026-07-11 00:03:00 UTC economist.com Full Share 29

Nigel Farage, the leader of Reform , has a habit of quitting but sticking around. In the past decade he has twice stepped down as the leader of populist-right parties, only to return to front-line politics. Now, amid a scandal over whether he should have declared a £5m ($6.7m) gift from a crypto entrepreneur, he has given up his parliamentary seat in order to try to win it again.

Doctors die. It's not like the rest of us, but it should be (2016)

64 downbad_ 2026-07-11 23:15:06 UTC archive.cancerworld.net Qwen Share 36

Doctors often reject aggressive end-of-life treatments for themselves, prioritizing comfort and dignity, yet they frequently administer such care to others due to patient/family pressure, systemic incentives, and fear of litigation, highlighting a stark contrast between medical practice and personal choice.

RISCBoy is an open-source portable games console, designed from scratch

60 mariuz 2026-07-11 21:58:00 UTC github.com/wren6991 Qwen Share 16

A Gameboy Advance-inspired RISC-V processor in Verilog for iCE40-HX8k FPGA, supporting RV32IMC and compliance tests. Requires RISC-V toolchain setup, simulation with ISIM, and PCBs for prototyping.

Show HN: Orbit – AR satellite tracker, watch 15k+ objects

59 lukas9 2026-07-11 16:39:02 UTC nagylukas.github.io Qwen Share 16

Orbit uses your device's camera and sensors for real-time AR sky tracking without storing/transmitting data. It collects anonymous diagnostics for improvements and includes an optional Google-powered chatbot, with no personal info required or tracked.

ZeroFS vs. Amazon S3 Files

58 cbrewster 2026-07-11 18:15:35 UTC zerofs.net Qwen Share 16

Amazon S3 Files maintains a direct one-to-one mapping between mounted files and S3 objects, enabling standard S3 ecosystem integration, while ZeroFS optimizes storage with compressed, encrypted segments and an LSM tree, prioritizing performance and privacy over direct S3 visibility. S3 Files suits use cases requiring immediate S3 compatibility, whereas ZeroFS trades S3 accessibility for ...

Show HN: Richest people in the world by wealth creation instead of ownership

56 sakshyampatro 2026-07-11 09:54:14 UTC anti-forbes-list.vercel.app Qwen Share 53

Measures company wealth creation beyond T-bill returns (Bessembinder baseline + live market delta), adjusted by founding stake minus founder's net worth. Negative values indicate destroyed shareholder wealth post-IPO; data covers public companies using methodology v1.2.0.

Meta pulls new AI image feature after days of backlash

56 cdrnsf 2026-07-11 00:40:36 UTC bbc.com Qwen Share 21

Meta abruptly removed an AI image tool from Instagram after privacy backlash, which let users generate fake images from public content without consent. The move followed criticism from Hollywood unions and privacy groups over unauthorized likeness use.

Tropical forests facing increasing risks of exposure to critical temp thresholds

53 littlexsparkee 2026-07-11 15:38:46 UTC pnas.org Qwen Share 25

Tropical forests globally face declining thermal safety margins (TSM), with 4–10% of studied areas exceeding critical photosynthetic temperatures, risking biodiversity and carbon cycle disruptions. Projections under high-emission scenarios predict 83 Mha at risk by 2050, emphasizing urgent climate impacts.

FreeCAD in the Browser

49 cui 2026-07-11 00:44:00 UTC magik.net Qwen Share 36

FreeCAD, a parametric 3D CAD platform, was compiled to WebAssembly using Qt, JSPI, and static dependencies, enabling browser-based operation with Python, OpenCASCADE, and VTK. The port overcame OpenGL emulation, Python integration, and complex module linking, resulting in a 196 MB WebAssembly module.

BLISS

44 tosh 2026-07-11 17:30:01 UTC en.wikipedia.org Qwen Share 8

BLISS, developed at CMU in the 1970s, was a typeless, expression-based system programming language with features like exception handling and macros, later used by DEC for OpenVMS but overshadowed by C. It emphasized address-based variables, lacked I/O facilities, and was optimized for system software, though it never gained widespread popularity.

Companies are scrambling to curtail soaring AI costs

44 nlpnerd 2026-07-11 08:29:43 UTC economist.com Qwen Share 28

An executive warns AI agents, consuming vast processing power, are driving escalating costs for businesses. Proliferation across hundreds of software programs risks spiraling expenses beyond traditional corporate governance.

What's the best way to do authentication in modern applications

44 freediver 2026-07-11 06:09:33 UTC neciudan.dev Qwen Share 15

Storing login tokens in localStorage risks XSS theft, while HTTP-only cookies with CSRF protections (like SameSite and tokens) are more secure. The Backend for Frontend (BFF) pattern enhances security by keeping tokens server-side, using a session cookie as a key, and mitigating XSS/CSRF risks through server-managed tokens.

I used to love Claude, but the latest models are slowly ruining it

43 Brajeshwar 2026-07-11 20:21:25 UTC androidauthority.com Qwen Share 55

User finds Claude increasingly sensitive and inconsistent in handling creative/hypothetical topics, leading to frequent refusals despite clarifications. While appreciating Claude's depth when functional, they prefer Gemini's consistency, noting newer models like Sonnet 5 exacerbate the issues.

Ask HN: Why isn't Google indexing information about the AT Protocol?

42 iameli 2026-07-11 17:44:40 UTC news.ycombinator.com Qwen Share 29

The user highlights that basic queries about atproto, like "list of public atproto relays," yield minimal search results despite active ecosystem growth, noting irony in an open-web-focused community being poorly indexed.

Show HN: Reame – a CPU inference server that gets faster as it runs

40 targetbridge 2026-07-11 16:27:44 UTC github.com/swellweb Qwen Share 12

Reame is a CPU-optimized LLM inference server for low-cost hardware, leveraging disk-based caching, speculative decoding, and consensus-based accuracy to efficiently handle repetitive tasks over private data. It prioritizes cost-effective, persistent workflows on existing infrastructure, avoiding GPU reliance while offering OpenAI-compatible APIs and self-regulating performance tuning.

Show HN: Earth Game – An offline CLI for turning life goals into quests

32 modinfo 2026-07-11 16:37:02 UTC github.com/skorotkiewicz Qwen Share 9

Earth Game is a private, offline quest manager using Python/SQLite, with CLI/web UI for tracking tasks, loops, and reviews—no accounts, AI, or external requests. Local-only operation via http://127.0.0.1:8765, private data storage, and commands like quest add/start/done for task management and progress tracking.

Earendel (Astronomical Object)

31 brainlessdev 2026-07-11 17:24:15 UTC en.wikipedia.org Qwen Share 6

Earendel, a star or cluster 28 billion light-years away, was discovered in 2022 via Hubble's gravitational lensing, named after a Tolkien character. JWST observations suggest it may be a star cluster, challenging its initial classification as the farthest single star.

The fine print that follows you out the door: non-compete clauses are spreading

26 hhs 2026-07-11 22:48:00 UTC oecdecoscope.blog Qwen Share 47

Non-compete clauses, affecting 20-30% of OECD workers, restrict job mobility and lower productivity by 1.9% per 10% increase, often without fair compensation. OECD findings urge stricter regulation to counter their overuse, impacting even low-skilled workers and stifling economic dynamism.

OpenAI Forked Git on GitHub

22 rahlokzero 2026-07-11 20:49:14 UTC github.com/openai Qwen Share 17

Git is a fast, distributed version control system under GPLv2, created by Linus Torvalds, offering rich commands and full access to internals. It provides extensive documentation, community support via mailing lists, and resources for learning and contributing at git-scm.com.

pgrust passes 100% of the Postgres regression tests

20 tosh 2026-07-11 11:14:18 UTC malisper.me Qwen Share 9

pgrust is a Rust-based Postgres 18.3-compatible rewrite by the author and Jason Seibel, passing key tests and booting from existing Postgres data, aiming to simplify internal modifications via Rust and AI-assisted programming. It's not yet production-ready but offers a browser demo and open-source code for experimentation and collaboration.

Alex Karp Is Saying What Every Angry CEO Is Thinking About AI

15 Brajeshwar 2026-07-11 17:37:30 UTC wsj.com Full Share 11

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I've been building this alone for months. Roast it before I lose any more time

15 GroguMaster 2026-07-11 00:53:48 UTC peakd.io Full Share 32

Skip to content Peakd — Community-powered rankings for everything © 2026 Peakd Labs Ltd · Company No. 17331702 · Registered in England & Wales

Show HN: Sqlsure – deterministic semantic checks for AI-generated SQL

14 tejusarora 2026-07-11 20:03:42 UTC github.com/sqlsure Qwen Share 1

sqlsure detects silent SQL errors like double-counting or schema defects using dbt tests and schema introspection, offering deterministic, actionable fixes without new languages or models. It integrates with text-to-SQL tools, enforces semantic rules via existing metadata, and audits queries against declared facts for reliable validation.

Choosing the Right AI Agent Memory Strategy: A Decision-Tree Approach

14 eigenBasis 2026-07-11 00:43:39 UTC machinelearningmastery.com Qwen Share 0

The article outlines four AI agent memory types—working, semantic, episodic, and procedural—and a five-question decision tree to classify information needs, ensuring tailored memory architectures. Effective design requires matching each category’s persistence, retrieval, and utility to avoid common pitfalls like mismatched storage.

Semantic/Hybrid Search in the Browser

13 bartdegoede 2026-07-11 13:04:35 UTC bart.degoe.de Qwen Share 7

Author implemented browser-based semantic search using a 4 MB model2vec lookup table, achieving transformer-level accuracy at 50x speed and 1/5 size, fused with keyword search via Reciprocal Rank Fusion for improved robustness.

Odyssey Linux

12 Gualdrapo 2026-07-11 23:54:22 UTC odysseylinux.org Full Share 14

unix for human beings. $_features $_about $_download $_security $_wiki $_community