Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k

701 systima 2026-07-12 18:25:51 UTC systima.ai Qwen Share 395

Claude Code incurs ~33,000-token overhead per request (vs OpenCode’s ~7,000) due to extensive system prompts, tools, and mid-session rewrites, while OpenCode’s stable, cached prefixes minimize costs. Subagent workflows amplify Claude Code’s token usage 54x vs OpenCode’s lean design, with configuration files and MCP servers further inflating baseline costs.

How to read more books

569 silcoon 2026-07-12 15:47:16 UTC scotto.me Qwen Share 295

Replace screen time with reading, use an e-reader, read in daily moments, mix genres, and avoid distractions. Set goals, build a library, track progress, and avoid speed reading/summaries to deepen understanding.

What xAI's Grok build CLI sends to xAI: A wire-level analysis

537 jhoho 2026-07-12 01:09:50 UTC gist.github.com Embed Share 229

I love LLMs, I hate hype

496 therepanic 2026-07-12 18:31:56 UTC geohot.github.io Qwen Share 322

The author is enthusiastic about AI progress, including LLMs and coding agents, but criticizes fear-mongering narratives of AI dominance. They argue that value creation, driven by Moore's law, isn't captured by closed labs, advocating for open-source solutions.

Old and new apps, via modern coding agents

453 subset 2026-07-12 11:09:42 UTC terrytao.wordpress.com Qwen Share 133

A mathematician successfully migrated 1999 Java applets to JavaScript via AI, reviving tools like honeycomb and Besicovitch set visualizers with minimal bugs. They also created new interactive visualizations for special relativity and the Gilbreath conjecture using AI, finding the process efficient and low-risk for supplementary educational tools.

Since Chromium 148, Math.tanh is now fingerprintable to link underlying OS

430 joahnn_s 2026-07-12 21:12:11 UTC scrapfly.dev Qwen Share 220

Chrome 148+ uses OS-specific math libraries for functions like Math.tanh, creating OS fingerprints. Scrapfly replicates exact OS math behaviors (e.g., libsystem_m on macOS) to spoof browsers indistinguishably, matching host libm, CSS trig, and Web Audio down to bit-level precision.

Tiny Emulators

346 naves 2026-07-12 20:23:05 UTC floooh.github.io Full Share 33

LARP – Revenue infrastructure for serious founders

323 BerislavLopac 2026-07-12 16:56:41 UTC larp.website Qwen Share 80

LARP is a satirical platform mocking legal circular revenue deals where companies mutualize revenue without cash movement, critiquing financial reporting's focus on numbers over real economic value. It highlights how accounting rules allow such practices, blurring lines between legitimate growth and illusion.

Ghostel.el: Terminal emulator powered by libghostty

306 signa11 2026-07-12 08:52:59 UTC dakra.github.io Qwen Share 67

Ghostel is an Emacs terminal emulator using libghostty-vt, offering modern VT features like Kitty protocols, rich underlines, and OSC 8 hyperlinks. It integrates with Emacs via Elisp and a Zig-native module, supporting shell commands, password prompts, and TRAMP remote terminals.

Cyberpunk Comics, Manga and Graphic Novels

304 zdw 2026-07-12 22:45:31 UTC shellzine.net Qwen Share 159

A curated list of cyberpunk works (1975–2016) spans Western comics, manga, and graphic novels, featuring *Akira*, *Blade Runner*, and *Ghost in the Shell*, exploring dystopia, tech, and societal critique. Themes include virtual reality, AI, and post-apocalyptic settings, with entries like *The Long Tomorrow* and *Transmetropolitan* highlighting genre evolution and speculative futures.

Ask HN: What Are You Working On? (July 2026)

284 david927 2026-07-12 21:26:41 UTC news.ycombinator.com Qwen Share 1108

Working on iOS app improvements and multiplatform C projects with X11/wasm. LLM coding diminished coding's joy, sparking thoughts of a new hobby.

Show HN: Juggler – an open-source GUI coding agent, by the creator of JUCE

277 julesrms 2026-07-12 18:28:15 UTC github.com/juggler-ai Qwen Share 118

Juggler offers a GUI workbench for visual, interactive control of LLM codebase workflows via branching session trees, plugins, and editable context. It supports cross-platform collaboration, local/remote access, and integrates with major models like Claude, OpenAI, and Gemini.

The shingles vaccine may reduce the risk of dementia

277 saikatsg 2026-07-12 15:23:59 UTC economist.com Qwen Share 215

Alzheimer’s, a feared dementia, erodes identity and self-trust, as described by Terry Pratchett, who likened it to "unwinding" and isolation. The government’s inadequate response fails to address its devastating impact.

Migrating a production AI agent to GPT-5.6: 2.2x faster, 27% cheaper

258 brryant 2026-07-12 17:13:07 UTC ploy.ai Qwen Share 131

Ploy upgraded to GPT-5.6 Sol, outperforming Claude Opus with 2.2× faster builds, 27% lower costs, and cleaner code, but required fixing tool-call handling, caching, and reasoning replay to address model-specific behaviors and ensure fair evaluation.

Irish datacenters now guzzle 23% of the country's electricity

247 Bender 2026-07-12 20:16:12 UTC theregister.com Qwen Share 309

Ireland's datacenters consumed 23% of electricity in 2025, up 10% from 2024, despite a Dublin moratorium on new grid connections. New regulations now require backup power systems, as protests grow over energy use and environmental impacts.

Teardown: A Generic 7-Port USB 3.0 Hub That Wasn't

224 speckx 2026-07-12 17:57:58 UTC goughlui.com Qwen Share 102

Purchased a low-cost USB 3.0 hub that's mostly USB 2.0 with flimsy build and safety risks, leading to buyer's remorse due to deceptive ads and return complications.

Don't you mean extinct?

218 zdw 2026-07-12 15:17:20 UTC fabiensanglard.net Qwen Share 135

Technological shifts, like CGI in the 90s and AI today, disrupt industries but offer growth through adaptation. Programmers must evolve by mastering tools like LLMs, leveraging resources such as Karpathy's tutorials and Raschka's book, to stay relevant amid automation and code review advancements.

Under federal rule, colleges must leave grads better off or lose financial aid

198 nradov 2026-07-12 04:00:14 UTC npr.org Qwen Share 547

The U.S. Department of Education's new "do no harm" test links federal student loans to graduate earnings, risking funding for programs where graduates don't outearn non-graduates. Critics argue it overlooks arts and creative fields' cultural value and long-term career impacts, despite most programs passing initial thresholds.

I Learned to Read Again

188 georgex7 2026-07-12 18:22:15 UTC substack.magazinenongrata.com Qwen Share 77

Sam Kahn traces his declining reading habit due to social media, work, and shifting cultural values, battling digital addiction and societal pressures. He revives reading through disciplined strategies, stressing its role in sustaining deep thought and cultural continuity amid modern distractions.

Death of the Status Update: Why 55% of Americans Stopped Posting on Social Media

174 thunderbong 2026-07-12 10:14:40 UTC ca.pcmag.com Qwen Share 192

A Boomer's struggle with social media's clutter mirrors a broader trend: a 2026 Incogni study reveals 50%+ Americans post less, citing privacy concerns, political toxicity, and mental strain, with younger generations most affected.

How we can reduce traffic congestion

172 raahelb 2026-07-12 15:35:36 UTC research.google Qwen Share 351

Google's study shows rerouting 2% of trips via navigation apps in 10 US cities improved traffic speeds by 2% and reduced emissions, demonstrating scalable, low-cost congestion relief. The experiment establishes a framework for network-level traffic optimization using connected systems.

Command Line Interface Guidelines

167 subset 2026-07-12 13:28:31 UTC clig.dev Qwen Share 53

This open-source guide modernizes UNIX principles for CLI design, focusing on human-centric usability, composability, and clear documentation. It provides actionable best practices for intuitive interfaces, error handling, and output formatting to improve accessibility and efficiency.

Why Vanilla JavaScript

166 guseyn 2026-07-12 22:53:51 UTC guseyn.com Qwen Share 165

Developed a complex music education web app using vanilla JavaScript and Web Components, avoiding frameworks like React/Angular to bypass artificial complexity. Criticizes modern frameworks for adding unnecessary build steps and abstractions, advocating native HTML/CSS/JS with custom tools (EHTML, e-ui) for scalable, maintainable solutions.

Designing and assembling my first PCB

165 tadasv 2026-07-12 22:56:56 UTC vilkeliskis.com Qwen Share 93

The user designed and assembled a custom BME280 sensor PCB using KiCad, successfully replicating its I2C interface and achieving plug-and-play functionality after soldering. This hands-on experience with PCB design, assembly, and testing boosted their confidence to tackle more complex hardware projects like integrating an ESP32, LCD, and sensors on a single board.

Understanding the Odin programming language

163 AlexeyBrin 2026-07-12 12:08:07 UTC odinbook.com Qwen Share 150

Understanding the Odin Programming Language teaches basic to advanced Odin concepts, emphasizing design rationale and practical examples, endorsed by Odin's creator and praised for clarity. Karl Zylinski, an experienced game developer and educator, updates the book with language changes and offers insights into low-level programming.

Woman in Brazil enslaved for 55 years by 3 generations of the same family

163 RetroTechie 2026-07-12 11:18:32 UTC english.elpais.com Qwen Share 247

Maria, 62, was rescued after 55 years of unpaid domestic servitude in Brazil, exploited by three generations of a family, now to receive $40k in compensation. Case highlights persistent domestic slavery, often affecting poor Black women, with victims unaware of their rights.

Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase

162 cosmtrek 2026-07-12 05:51:32 UTC github.com/cosmtrek Qwen Share 63

Mindwalk visualizes coding sessions as interactive night maps, showing agent activity via glowing file interactions (read/edit) in Tree/Terrain views. A local Go tool parses logs, installs securely, and serves a UI with playback, touch states, and session analysis.

AI boosts research careers but narrow the span of ideas explored: study

154 zaikunzhang 2026-07-12 13:26:13 UTC spectrum.ieee.org Qwen Share 106

AI enhances individual scientists' productivity and career progression but narrows research diversity, risking homogeneity. Balancing personal incentives with collective scientific exploration is vital to prevent stifling innovation.

Today I Rescued 7,234 Old GIFs

147 birdculture 2026-07-12 19:00:49 UTC danq.me Qwen Share 24

GlitchyZorua and I automated archiving Ibiblio's 1990s GIF icons by calculating server-side imagemap coordinates for bulk downloads, bypassing manual clicks. We built a searchable static site (ibiblio-icon-archive.danq.dev) to preserve and share the collection.

Automation Without Understanding

141 root-parent 2026-07-12 16:54:47 UTC arxiv.org Qwen Share 58

The essay warns that AI's mathematical advancements paired with U.S. declining math education risk strategic failure by eroding critical infrastructure. It proposes treating math capacity as a strategic asset and requiring formal, auditable AI reasoning.

Autopsy Study Finds Replicating SARS-CoV-2 in the Hearts of Long Covid

134 thenerdhead 2026-07-12 00:38:02 UTC my.uscap.org Qwen Share 47

Study finds SARS-CoV-2 reverse strand in hearts of Long COVID patients correlates with higher cardiac symptoms and structural changes. Viral persistence alters gene expression, suggesting a role in driving Long COVID pathology and informing new treatments.

Kode Dot Programmable pocket device for makers, pentesters and geeks

131 iNic 2026-07-12 21:27:29 UTC kode.diy Qwen Share 35

Kode Dot is a handheld, all-in-one platform with dual ESP32-P4/C5 MCUs, AMOLED touchscreen, sensors, wireless, and 16 programmable pins for instant prototyping. It supports Wi-Fi, Bluetooth, NFC, and community-developed apps, born from a 16,000-backer Kickstarter success.

A pure scheme web programming tool

131 guenchi 2026-07-12 00:57:18 UTC goeteia.dev Qwen Share 22

The Scheme compiler is self-hosted, using unboxed fixnums, GC structs, and hygiene via renaming, with fast variadic calls and Wasm-based continuations. It integrates web APIs (HTML, WebGL, JS FFI) and reactive systems, enabling RPC with exact s-expression data and efficient rendering.

Against Usefulness

128 supo 2026-07-12 17:47:07 UTC motivenotes.ai Qwen Share 40

The essay explores how foundational, often "useless" research fuels future innovations, exemplified by Folk Computer, an open-source physical computing system. It calls for independent thinkers and patrons to support paradigm-shifting work, bridging the gap between institutional legacy and grassroots creativity.

Why are US consumers so angry? It's not just high prices

124 dilawar 2026-07-12 03:10:08 UTC theguardian.com Qwen Share 174

American consumers face rising frustration over corporate overcharges, shoddy service, and hidden fees, costing $165bn annually. Weakened federal oversight and media scrutiny, alongside corporate power consolidation, fuel a toxic cycle, but advocacy groups and citizen journalism seek accountability.

Mechanistic interpretability researchers applying causality theory to LLMs

117 adunk 2026-07-12 18:04:41 UTC cacm.acm.org Qwen Share 86

Your action triggered a security block, possibly due to specific phrases, SQL commands, or malformed data. Contact the site owner with your activity details and the Cloudflare Ray ID for resolution.

Yt-Dlp Sequence Diagrams

105 billyp-rva 2026-07-12 11:49:38 UTC app.ilograph.com Qwen Share 32

The Ilograph diagrams document AWS serverless back-end and Stack Overflow's on-prem architecture. They enable team collaboration with permissions, password policies, and bug reporting via [email protected].

Making Crash Bandicoot (2011)

104 alexpls 2026-07-12 13:18:36 UTC all-things-andy-gavin.com Qwen Share 1

Naughty Dog, in 1994, developed a 3D character action game (CAG) for PlayStation, inspired by Mario and Sonic, to fill a market gap by avoiding direct competition with Nintendo and Sega. They overcame 3D camera challenges, leveraging PlayStation's potential, creating Crash Bandicoot amid uncertain odds.

Vagal cholinergic denervation of the gastric mucosa in Long-COVID-19

104 thenerdhead 2026-07-12 00:35:08 UTC ijidonline.com Qwen Share 78

A study on Long-COVID-19 patients found reduced gastric mucosal cholinergic nerve density and impaired autonomic function via HRV analysis, linking vagal dysfunction to persistent symptoms and systemic inflammation. Histological and physiological data suggest structural autonomic damage, correlating with elevated cardiovascular biomarkers and procoagulative states.

Neocities: Create your own free website

103 Tomte 2026-07-12 19:49:53 UTC neocities.org Qwen Share 35

Neocities empowers users to build and share websites with an easy HTML editor, drag-and-drop uploads, and community features like tags and social interaction, all without ads or data sales. Funded by supporters, it offers fast, reliable static hosting with open-source tools, prioritizing user control and creativity.

Unexpected Solidlike Fracture in Simple Liquids

99 Anon84 2026-07-12 02:13:46 UTC quantamagazine.org Qwen Share 61

Thamires Lima discovered a nonelastic fluid can fracture like brittle solids, defying theories that elasticity causes fluid cracking. This challenges assumptions about stress-induced fluid failure, with potential impacts on engineering, medicine, and material science.

A dock that wakes up reliably

98 ingve 2026-07-12 00:48:10 UTC fabiensanglard.net Qwen Share 65

User struggled with unreliable laptop wake-up from sleep via Thunderbolt docks, even with Thunderbolt 4. Switching to an ASUS ROG Swift monitor in 2025 resolved the issue, though the cause remains unclear.

A Erlang style pure Scheme Webserver and further

96 guenchi 2026-07-12 01:03:29 UTC igropyr.com Qwen Share 8

Igropyr is a Chez Scheme HTTP server using libuv, featuring fault-tolerant worker pools, hot code swapping, green processes for concurrency, and structured error handling. It ensures zero-downtime updates, preemptive scheduling, and OTP-inspired supervision for high reliability.

Martha Lillard, last US polio patient using iron lung, dies at 78 in Oklahoma

96 daniel_iversen 2026-07-12 00:32:15 UTC abcnews.com Qwen Share 35

Martha Lillard, the last U.S. polio patient using an iron lung, died at 78 in Oklahoma from long-haul COVID-19 and pulmonary issues. She lived independently, pursued education, and connected globally via internet before her 2026 death.

Old Icons

94 zdw 2026-07-12 00:24:24 UTC leancrew.com Qwen Share 29

The early Mac app icons, with 32x32 black/white pixels, tilted rectangles, and hands, distinguished apps and influenced other publishers. Modern "squircle jail" debates reflect nostalgia for these lost design elements.

Fable extended until 19 July

93 protoman3000 2026-07-12 17:14:34 UTC twitter.com/claudeai Full Share 50

We're extending Claude Fable 5 access on all paid plans, as well as keeping Claude Code’s weekly rate limits 50% higher, through July 19.

Show HN: Shirei, cross-platform GUI framework in native Go

89 hsn915 2026-07-12 16:55:42 UTC github.com/hasenj Qwen Share 57

Shirei is a cross-platform Go GUI framework enabling self-contained apps for macOS, Windows, and Linux with a React-like immediate mode API, eliminating widget state management. It supports international text, flexible layouts, and offers a simple API with built-in examples for quick development.

Unauthenticated RCE in Motorola's MR2600 Router

84 MrBruh 2026-07-12 11:52:21 UTC mrbruh.com Qwen Share 28

The author discovered an unauthenticated Remote Code Execution (RCE) vulnerability in Motorola's MR2600 router, exploiting a flawed firmware validation process and authentication bypass in its CGI/SOAP handlers. Despite public disclosure due to Motorola's lack of response, the vulnerability impacts exposed devices, underscoring risks from outdated firmware and inadequate security checks.

Datacentres drive up big tech's carbon emissions to a third of those of France

84 YeGoblynQueenne 2026-07-12 10:23:25 UTC theguardian.com Qwen Share 115

Microsoft, Amazon, and Google's carbon emissions surged 19% in 2024 due to AI-driven datacenter construction, yet they maintain net-zero pledges. Rising cloud demand and scarce carbon credits challenge offset efforts as global datacenter projects consume 1.3% of projected global electricity by 2030.

A Beautiful Theory Falls to Ugly Data

80 paulpauper 2026-07-12 19:52:16 UTC marginalrevolution.com Qwen Share 67

The study rejects Coase's conjecture by showing e-book prices don't fall to marginal cost, with sales persisting over time. Authors propose commitment to pricing or consumer outside options as alternative explanations.

Theo de Raadt: "You've been smoking something mind altering" (2007)

78 turrini 2026-07-12 16:05:29 UTC marc.info Qwen Share 88

Theo de Raadt criticizes x86 virtualization for adding a bug-prone kernel layer over an insecure architecture, undermining claimed security benefits. He dismisses the idea that engineers can reliably create secure virtualization layers after repeatedly failing to produce secure OSes.

Why study Diophantine equations?

78 mb1699 2026-07-12 15:53:53 UTC hidden-phenomena.com Qwen Share 34

Diophantine equations explore integer solutions, revealing structures like divisibility and prime factorization. The Langlands program studies advanced Diophantine equations to uncover profound connections in number theory.

Storm clouds gather over America's financial supremacy

70 pseudolus 2026-07-12 21:04:13 UTC economist.com Qwen Share 24

US trade official L Jamieson Greer criticized Brazil's Pix system for disadvantaging US firms, prompting a 25% tariff threat. Brazil's President Lula and rival Bolsonaro reject US pressure, with Bolsonaro proposing a compromise to avoid linking Pix to competing cross-border systems.

Billion Dollar PDFs

67 rafaepta 2026-07-12 23:45:35 UTC billiondollarpdf.com Full Share 26

A Billion-Dollar PDF is a memo, white paper, essay or deck that introduced a new mental model, and changed how billions of dollars of capital flowed. The term is Jeremy Giffon’s. This is an open index of the ones people keep citing — browse it below, expand any entry for the story, and follow the link to read the original.

Why Write Code in 2026

65 zdw 2026-07-12 04:15:27 UTC softwaredoug.com Qwen Share 1

Building a software factory with AI agents demands human hands-on coding to ensure quality and architectural clarity, as writing code fosters ownership, precision, and proactive system improvement beyond automated processes.

Faster binary search: from compiled code to mechanical sympathy

58 enz 2026-07-12 07:00:24 UTC pythonspeed.com Qwen Share 12

The article demonstrates optimizing Python code by reducing branch mispredictions via branchless algorithms, precomputing values, and using SIMD instructions, achieving a 6x speedup in a binary search implementation for scikit-learn's gradient boosting.

The One-Step Trap (In AI Research)

53 jxmorris12 2026-07-12 18:41:15 UTC incompleteideas.net Qwen Share 10

The one-step trap assumes AI can accurately predict long-term outcomes by iterating one-step models, but errors compound and computational complexity grows exponentially, making it unreliable. Temporally abstract models like options and GVFs offer a better solution for long-term predictions.

Neverclick: Desktop application for performing mouse actions with your keyboard

53 thunderbong 2026-07-12 01:32:53 UTC github.com/lazovelko Qwen Share 63

Neverclick uses computer vision for UI automation, offering tools like Grid mode, Text Highlighting, and Path selection, with keyboard controls for positioning and multi-select. It runs offline, requires no continuous CPU usage, and is developed primarily by the creator with some AI assistance, featuring custom artwork and a low-resource footprint.

GC shape stenciling in Go generics

52 ingve 2026-07-12 00:27:52 UTC rednafi.com Qwen Share 13

Go implements generics via GC shape stenciling, grouping types by memory layout (size, alignment, pointers) to share compiled code, reducing bloat compared to full monomorphization. It uses hidden dictionaries to retain type-specific runtime info for operations needing exact types, balancing efficiency and flexibility.

TK, or the secret to effortless writing (2024)

51 Tomte 2026-07-12 15:58:42 UTC atthis.link Qwen Share 24

Using 'TK' as a placeholder maintains writing momentum and acts as a built-in checklist, preferred over alternatives like 'TODO' or 'TC' due to its distinctiveness and minimal false positives."

Croc: Securely transfer files and folders between two computers

51 gregsadetsky 2026-07-12 15:44:13 UTC github.com/schollz Qwen Share 27

croc is a secure CLI tool for transferring files between computers using Docker and password-authenticated encryption, supporting port customization and cross-platform use on Linux/macOS. It ensures end-to-end encryption via PAKE and requires environment variables for secret sharing on non-Windows systems.

Profiling the "Abundance" housing bottleneck with real data

47 laxmena 2026-07-12 21:45:28 UTC laxmena.com Qwen Share 52

The book "Abundance" argues regulatory bottlenecks ("chosen scarcity") hinder progress in housing and energy, but the user's analysis of cities like Austin and San Francisco shows mixed results. Vienna's success with public housing reveals alternative solutions, emphasizing the need to verify claims with data and consider multiple approaches.

Mystery behind Moana: After 1,700 years, why did Polynesians suddenly sail east?

47 pseudolus 2026-07-12 12:17:26 UTC theconversation.com Qwen Share 25

The "long pause" in Polynesian migration ended around 900-1100 AD as severe droughts, population growth, and improved sailing tech spurred eastward voyages to Hawaii, New Zealand, and Easter Island. Climate shifts and resource pressures likely drove ancestral Polynesians to explore, mirroring themes in *Moana*.

IT administrators are "fed up" with Microsoft's "useless" apps and Windows 11

46 01-_- 2026-07-12 11:22:42 UTC neowin.net Qwen Share 27

Microsoft's recent Windows 11 updates and policies, including a major bug fix, face mixed reactions, with professionals and sysadmins criticizing buggy patches, complex tools, and flawed app management, as highlighted by strongly upvoted Reddit complaints.

Claude Code May–July 2026 weekly limits promotion

45 alvis 2026-07-12 18:01:29 UTC support.claude.com Qwen Share 66

Claude Code offers a 50% increased weekly usage limit from May 13–July 19, 2026, for Pro, Max, Team plans, and legacy Enterprise seat-based users. The promotion excludes Free plans, consumption-based Enterprise seats, and 5-hour limits, with no action required and no impact on billing.

In Praise of Exhaustive Destructuring

44 avandecreme 2026-07-12 08:58:15 UTC antoine.vandecreme.net Qwen Share 7

Rust's struct destructuring initially frustrated the user but later improved safety by forcing explicit field handling, preventing oversight during struct evolution. This practice aids maintenance in layered apps and highlights refactoring needs, unlike Haskell's current lack of such a feature.

What's the story behind the names of Cloudflare's name servers? (2013)

42 aragonite 2026-07-12 20:42:20 UTC blog.cloudflare.com Qwen Share 55

CloudFlare assigns unique names like Bob and Lola to DNS servers to resolve conflicts when multiple users register the same domain, ensuring accurate DNS verification. A 101st name, Woz, was added after a ninja drawing resembled Steve Wozniak, expanding combinations to 2,550.

Flash-MSA: Accelerating Million-Token Training with Sparse Attention Kernels

41 rawsh 2026-07-12 20:46:43 UTC nanduruganesh.github.io Qwen Share 5

The author introduces the first open-source training kernels for Minimax Sparse Attention (MSA) in CuTeDSL, optimizing block-based selection with max-pooling, GQA groups, and efficient caching for Hopper/Blackwell GPUs. Key innovations include fused backward passes, reduced register usage, and scalable CP strategies, though challenges like low occupancy and tensor-pipe bottlenecks remain.

Cottage Computer Programming (1984)

40 lioeters 2026-07-12 04:29:43 UTC atariarchives.org Qwen Share 9

Paul Lutus, the "Oregon Hermit," left NASA to live in a remote cabin, where he developed Apple Writer, a groundbreaking word processor, and championed individual creativity in programming over teamwork. His self-sufficient "electronic cottage" lifestyle and the program's resilience during a lightning strike exemplify his belief in solitary innovation's power.

Firefox 12.58% for Desktop Browser Market Share in North America June 2026

39 speckx 2026-07-12 01:05:04 UTC gs.statcounter.com Full Share 22

View all regions... View all years... View fewer years... See why over 1,000,000 bloggers, web designers, marketing and SEO professionals and small business owners use Statcounter to grow their business. Learn More

The State of MCP Security [pdf]

38 mavzer 2026-07-12 20:49:46 UTC canopii.dev Full Share 4

Panel meter calculator with floating point

36 surprisetalk 2026-07-12 20:15:08 UTC lcamtuf.substack.com Qwen Share 9

A DIY calculator project uses electromechanical displays with acrylic panels, voltmeters, and a custom keypad, driven by an AVR128DA28 MCU for fixed-point arithmetic. The design combines vintage components, CNC-milled enclosures, and tactile switches, emphasizing practicality over analog complexity.

Autoresearch, Claude and Constrained Optimization

33 gmays 2026-07-12 14:32:00 UTC elliotcsmith.com Qwen Share 5

The user tested AI agents optimizing file compression via autonomous iterations, achieving measurable improvements but highlighting challenges like metric focus and cost. Results suggest AI-driven optimization potential, though real-world applications require careful metric selection and trade-off management.

Architecture Description Languages [pdf]

32 ascent817 2026-07-12 22:54:07 UTC ics.uci.edu Qwen Share 3

The paper addresses the lack of consensus on architecture description languages (ADLs) by defining and classifying them. It compares existing ADLs, highlighting their strengths and deficiencies to guide future research.

Show HN: Zen Mode – a global focus mode for macOS

30 cafebeen 2026-07-12 20:52:04 UTC github.com/cabeen Qwen Share 12

Zen Mode is a macOS Hammerspoon script that activates a global focus mode via a hotkey, centering the active window, hiding distractions like the Menu Bar and Dock, and fading everything else to black for undivided attention across all apps. Unlike app-specific or native full-screen modes, it maintains the window's natural width, uses a dark overlay for visual isolation, and restores the ...

The Energetic Costs of Cellular Computation (2012)

30 lioeters 2026-07-12 01:59:35 UTC arxiv.org Qwen Share 3

Cells expend energy to compute ligand concentrations using noisy two-component networks, with greater learning requiring higher energy costs. This energy constraint impacts resource-poor systems like bacterial spore germination networks.

Show HN: Codebase Posters – turn any Git repo into generative poster art

29 unable0 2026-07-12 22:26:14 UTC github.com/unable12 Qwen Share 5

A tool generates 18 visual posters from a Git repo's commit history, showing code additions/deletions as storms, calendars, and 2AM constellations. It creates high-res prints and MP4 animations locally, with no uploads, dependencies, or telemetry.

Show HN: Capn-hook for coding agents – don't grep the same mystery twice

29 knrz 2026-07-12 21:17:27 UTC github.com/cyrusnuevodia Qwen Share 6

Capn saves coding agents' discovered codebase answers, auto-deleting outdated entries, reducing token use by 77% and rework. It integrates with Claude Code/Codex, enabling fast, accurate recall via local, disposable memory.

Gina Gallery of International Naive Art

29 o4c 2026-07-12 13:18:34 UTC ginagallery.com Qwen Share 15

GINA Gallery, founded in 2003, is the world's largest international institution dedicated to Naïve Art, featuring over 100 artists from 30+ countries. Its diverse collection showcases the genre's global expressions through cultural traditions and individual artistic styles.

Small Inventors Are Being Squeezed by a Convoluted Patent Process

27 petethomas 2026-07-12 02:25:25 UTC nationalreview.com Qwen Share 8

The USPTO proposed PTAB reforms in 2025 to curb duplicate patent challenges by large firms, aiming to protect small inventors from costly legal battles. Over a year later, no action has been taken, raising concerns about delayed implementation of critical changes.

The European Oligarchy

24 gidellav 2026-07-12 16:23:19 UTC rocketup.pages.dev Qwen Share 3

European institutions are accused of functioning as an oligarchy, manipulating democratic processes by repeatedly bending rules to enforce decisions despite public rejection, mirroring tactics criticized in foreign powers like Russia. This hypocrisy undermines true democracy, replacing citizen sovereignty with strategic rule-bending to serve elite interests.

Vinod Khosla to Buy Seattle Seahawks for $9.6B

23 kpw94 2026-07-12 05:48:59 UTC sportico.com Qwen Share 10

Tech billionaire Vinod Khosla's family agreed to buy the Seattle Seahawks for $9.6B, a record valuation nearing the $10B LA Lakers deal. His wife Neeru will lead the team, with the deal adhering to NFL's strict financing rules amid rare sales and a $6.59B team valuation.

In defense of not understanding your codebase

21 saikatsg 2026-07-12 17:19:47 UTC seangoedecke.com Qwen Share 13

The author contrasts small-team full-codebase understanding with large-team partial understanding, defending the latter as necessary for complex systems. They argue Peter Naur's theory-building approach is impractical for large systems, emphasizing partial understanding and iterative improvements over complete rewrites.

Show HN: Kurvengefahr – browser CAD/CAM for pen plotters

20 tibordp 2026-07-12 14:09:23 UTC kurvengefahr.org Full Share 6

Browser CAM for pen plotters — handwriting, text, shapes, generative art, SVG/DXF/STL import; preview the exact toolpath and plot as G-code or live over USB.

Lindsey Graham has died

20 josefrichter 2026-07-12 07:52:23 UTC nytimes.com Qwen Share 9

Lindsey Graham, a Republican senator from South Carolina, died at 71 from aortic dissection. A Trump ally and advocate for interventionist foreign policy, he recently won re-election and received condolences from Trump.

A Speed Limit for Computers

19 zdw 2026-07-12 22:29:46 UTC caolan.uk Qwen Share 29

Ivan Illich argued that excessive energy use harms equity, a principle reflected in e-bikes' legal speed limits (25 km/h) that balance access and fairness. In contrast, computing's unchecked power growth, unlike e-bikes' restrained design, exacerbates inequality and autonomy loss.

The Trade in Looted Antiquities Endures for One Reason: Demand

19 derbOac 2026-07-12 17:00:29 UTC news.artnet.com Qwen Share 10

In 1997, Cambodian statues were looted and sold globally, exposing a thriving illicit art market; despite repatriation efforts, ongoing conflicts in Iraq, Syria, and Ukraine reveal persistent looting, demanding stricter enforcement and reduced demand for stolen artifacts.

Noto: A Typeface for the World

18 geox 2026-07-12 16:51:48 UTC fonts.google.com Qwen Share 1

Noto is a comprehensive font collection supporting over 1,000 languages and 150 scripts, designed to eliminate missing characters ("tofu") with harmonious, authentic styles. Developed by Google and partners, it uses Unicode/OpenType standards and is open-source under the Open Font License for global, multilingual use.

Show HN: Skillscript – A declarative, sandboxed language for tool orchestration

18 sshwarts 2026-07-12 13:34:00 UTC github.com/sshwarts Qwen Share 32

AI agents repeatedly re-derive tasks via costly frontier inference, causing inefficiency and inconsistency. Skillscript addresses this by enabling agents to author reusable, auditable workflows as declarative code, ensuring safe, efficient execution with static validation and structured orchestration.

The Lunduke Computer Operating System

17 worldofmatthew 2026-07-12 14:15:13 UTC github.com/bryanlunduke Qwen Share 7

LCOS is a Devuan-based OS avoiding Systemd, featuring curated software like Brave Origin, and governed centrally by "The King" to prevent activist control. User interaction occurs via a subscriber-only forum, excluding public access.

Circular Obstacle Pathfinding (2017)

16 andsoitis 2026-07-12 23:42:41 UTC redblobgames.github.io Qwen Share 2

The A* algorithm efficiently finds optimal paths in grids and graphs, including environments with circular obstacles by generating surfing and hugging edges. It uses bitangents for surfing edges, checks line-of-sight, handles overlapping obstacles, and optimizes by filtering non-optimal cusp paths.

Nuclear war survival guide reveals seven everyday items if disaster strikes

14 Bender 2026-07-12 21:34:38 UTC dailymail.com Qwen Share 23

The US-Iran peace deal collapse reignites nuclear war fears, prompting renewed attention to Cresson Kearny's updated 2022 survival guide, which outlines seven essentials—shelter, water, food, light, clothing, documents, and radiation measurement—using everyday materials for ordinary families. Kearny emphasizes improvisation, like trench shelters and homemade radiation detectors, stressing ...

Defining new Jax types with hijax

14 fhchl 2026-07-12 19:54:30 UTC docs.jax.dev GoogleT5 Share 4

A quantized array is sharded along its leading axes only. to cross that boundary, it needs one more piece of code : qrows.partition_map )) and jnp.device_put(('(i, 3))).shape == (2, 3), where x is the number of rows i see in each cell - this is how we quant

An explanation of our search results

14 abj908 2026-07-12 16:04:19 UTC web.archive.org Qwen Share 3

Google's search for "Jew" yields disturbing results due to the term's sensitive, often anti-Semitic context, with algorithms prioritizing relevance. They clarify results aren't endorsed, can't be influenced by petitions, and suggest alternative terms for better outcomes.

How to build a circular LCD clock

12 zdw 2026-07-12 22:41:01 UTC blinry.org Qwen Share 5

Built a 7-inch LCD wall clock with Raspberry Pi 3B+, featuring multi-touch, custom clock faces, and software-controlled brightness. Used HDMI/USB for connectivity, resolved power issues with official Pi supply, and added Swiss railway clock functionality with automatic day/night dimming.

I trained a 113M-parameter earthquake LLM from absolute scratch

12 jzsfg 2026-07-12 21:58:38 UTC github.com/jiazhe868 GoogleT5 Share 5

Gqa_gpt.py trains a small gpt for earthquake science. code is based on unpaywall, which maps dois to legal open-access copies of papers - and it is what it ships with. the code uses np.encode_batch to encode the corpus and writes one flat array of token ids per split, documents separated by the eot uint16

Dense Arena Interning: The Engine of Compiler Performance

12 g0xA52A2A 2026-07-12 18:48:41 UTC aikoschurmann.com Qwen Share 4

Compilers repeatedly check identifiers across phases, slowing performance. A Dense Arena Interner converts strings to unique dense IDs upfront via a hash map and arena allocator, enabling O(1) array indexing and pointer comparisons for fast, memory-efficient symbol resolution in later stages.