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

https://floooh.github.io/tiny8bit-preview/ext/visual6502remix.webp

So you want to learn physics (second edition, 2021)

A self-study physics guide created to help non-traditional learners has aided over 600,000 people, offering a structured curriculum from undergraduate to graduate levels. It emphasizes problem-solving, accessible resources, and addresses gaps in formal education, inspiring self-directed exploration of physics through comprehensive textbooks and practical advice.

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

https://systima.ai/images/claude-code-vs-opencode-banner.png
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.

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

https://storage.googleapis.com/ployai/d21bf4ad-2458-43ee-9561-54c28ab0e85f/user/98bfdea9-ai-generated-1783640379759.webp
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

https://image.theregister.com/5269616.jpg?imageId=5269616&panox=0.00&panoy=0.00&panow=100.00&panoh=100.00&heightx=0.00&heighty=0.00&heightw=100.00&heighth=100.00&width=960&height=432&format=webp&format=jpg
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.

Old and new apps, via modern coding agents

https://terrytao.wordpress.com/wp-content/uploads/2026/07/image.png?w=613
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.

Show HN: Adaptive Recall, persistent memory for AI assistants over MCP

https://www.adaptiverecall.com/images/selflearninghero.jpg
Adaptive Recall is a memory system that improves over time using machine learning and cognitive science, with four parallel search strategies and dynamic memory management. It ranks results via ACT-R activation modeling, extracts entities for knowledge graphs, and offers eight tools for interaction via HTTP or CLI.

Mechanistic interpretability researchers applying causality theory to LLMs

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.

Kode Dot Programmable pocket device for makers, pentesters and geeks

https://cdn.shopify.com/s/files/1/1033/7779/7462/files/kode-dot-front-back.png?v=1782403366&width=1152
ESP32-P4 + C5, an AMOLED touchscreen, wireless, sensors and real I/O in something that fits in your hand. You write the code, and it becomes whatever you need. Most projects die in the setup: a screen, buttons, power and sensors to wire up before you can even begin. Kode Dot hands you a finished platform, so you start with your idea instead of rebuilding the basics. Dual MCU (ESP32 P4 + C5), ...

I Learned to Read Again

https://substackcdn.com/image/fetch/$s_!3AdV!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23985988-01ea-4d7b-a4f5-446c2a4f0a0b_1600x900.jpeg
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.

Why write code in 2026

https://softwaredoug.com/assets/media/2026/cheat-at-search-social.png
Building a software factory requires agents for automation and humans to maintain architectural integrity through active code engagement. Writing code fosters ownership, precision, and system resilience, preventing fragility amplified by over-reliance on AI-generated solutions.

Automation Without Understanding

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
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.

LARP – Revenue infrastructure for serious founders

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.

I love LLMs, I hate hype

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.

Against Usefulness

https://substackcdn.com/image/fetch/$s_!PChk!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F568f9825-5d39-466d-919c-45f7811bf475_1536x2048.jpeg
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.

The One-Step Trap (In AI Research)

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.

Show HN: Agent Draw: An agent draws while you talk, built on TLDraw

https://techstackups.com/img/articles/tldraw-agent-draw/cover.jpg
The user built a tool called Agent Draw that uses an AI agent to draw on a shared canvas while a user presents, utilizing the tldraw infinite-canvas SDK for React and an official Agent starter kit. The tool captures audio, transcribes it, and uses the transcription to draw on the canvas, with the agent finishing the entire drawing in one call and the user able to queue up multiple captures.

The State of MCP Security [pdf]

Deir El-Medina Strikes

https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Deir_el-Medina_2016-03-23c.jpg/250px-Deir_el-Medina_2016-03-23c.jpg
The Deir el-Medina strikes (c. 1158 BC) were Egypt's earliest recorded labor protests, driven by unpaid grain rations under Ramesses III, with artisans demanding supplies from the vizier. The skilled, literate workforce, organized into roles like scribes and deputies, leveraged their royal tomb-building role to negotiate, but ongoing grain shortages linked to Sea Peoples' invasions and ...

Don't you mean extinct?

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.

How to read more books

https://scotto.me/assets/img/umberto_eco.jpg
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.

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

https://nanduruganesh.github.io/flash-msa/plot.png
Several frontier models [1, 2, 3, 4, 5] use sparse attention to greatly speedup their inference, though no one has posted code to train it efficiently. Today I introduce the world's first performant open-source training kernels for Minimax Sparse Attention in CuTeDSL for Hopper and Blackwell GPUs. I did all of the dev work on Spheron H100 and B200 rentals and with the help of referencing ...

The shingles vaccine may reduce the risk of dementia

https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20260711_LDD501.jpg
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.

The Seed Beneath the Snow

The text critiques legible systems' coercive replacement of values in software companies, arguing informal mutual aid networks—like Yiddish anarchist traditions and Le Guin’s Anarres—are vital, human-centered alternatives. It advocates protecting these "illegible" relationships as the foundation of care and productivity, not just resistance, emphasizing joy and daily mutual aid over rigid processes.

Why study Diophantine equations?

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.

Ghostel.el: Terminal emulator powered by libghostty

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.

Defining new Jax types with hijax

https://docs.jax.dev/en/latest/_static/jax_logo_250px.png
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

Neocities: Create your own free website

https://neocities.org/site_screenshots/15/56/hillhouse/index.html.540x405.webp
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.

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

https://raw.githubusercontent.com/cabeen/zen-mode/main/screenshots/demo.gif
A small tool to reclaim my attention - providing a global focus mode across macOS apps. My screen is always full of things asking for it: other windows, notification badges, the Menu Bar clock, the Dock, a scenic wallpaper. Zen Mode is one hotkey that silences all of it. The window I'm working in glides to the center of the screen and stretches to full height, and everything else — Menu ...