Markets are competitive if and only if P = NP

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
The author proves that competitive markets require computational intractability, but if P = NP, collusion becomes sustainable. Artificial intelligence is pushing markets toward the collusive regime, causing algorithmic collusion.

Half-Baked Product

https://weli.dev/images/social_card_bg_hu_2720064dc817e53c.webp
A founder builds an oven company with a flawed MVP that fails to deliver on its promises, despite raising millions of dollars in funding. The company struggles to execute its vision due to poor engineering, sales, and management decisions.

Claude, please stop trying to memorize random crap

https://substackcdn.com/image/fetch/$s_!p8M5!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F75caf207-0302-42e3-beba-2da2967864f8_1080x543.png
The author found no performance benefit from giving agents access to previous transcript sessions, and automatically trawling through sessions also didn't improve performance unless a human was in the loop.

The Life and Times of Maxis, Part 1: SimEverything

https://www.filfre.net/wp-content/uploads/2016/06/118655-simcity-macintosh-front-cover-239x300.jpg
The author praises gamers for preserving gaming history, but notes that their efforts can create a distorted view of the past. Games like SimCity and Myst are often overlooked in favor of more popular titles, but had significant influence on the gaming industry.

Jamesob's guide to running SOTA LLMs locally

https://raw.githubusercontent.com/jamesob/local-llm/master/images/rig.png
User has $2k to spend on local machine intelligence and $40k for top-of-the-line. They have 4x RTX Pro 6000s and built a DDR4 system to host them.

Give Smart People the Tools to Do Smart Things

https://superuserdone.com/og/og-background_hu_ca9a6aaf37d1ad9d.png
AI companies are capitalizing on hype, promising to replace humans, but actual value lies in tools that empower experts to work more effectively. The future of AI should complement human expertise, not threaten it, by providing better tools for professionals to do their jobs more efficiently.

Factories Are Just Rooms

https://interconnected.org/home/2026/07/03/factories.png?v=1
You spoke to a year group about manufacturing, sharing your experience making an AI clock and showing them various stages of design and production. You aim to normalize hands-on learning and inspire kids to become makers and inventors.

America, 1926: What a Forgotten 100-Year-Old Report Says About Who We Are

https://substackcdn.com/image/fetch/$s_!8pSA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5153aa56-b16d-41e2-a611-4f0bdcf075f6_1206x938.png
In 1926, America was a nation of contrasts, with rural areas stuck in the past and urban areas experiencing rapid change, technological advancements, and social upheaval. Despite progress in many areas, Americans were anxious about the future, fearing technological unemployment, the rise of the machine, and the decline of traditional values.

Hunting a 16-year-old SQLite WAL bug with TLA+

https://ubuntu.com/wp-content/uploads/f847/Isometric-One-logo-Dark.jpg
SQLite fixed a long-standing bug in WAL checkpointing that could lead to database corruption. The dqlite team used TLA+ to model SQLite's behavior and found that dqlite is not affected by the bug due to its stricter locking mechanism.

PostgreSQL and the OOM Killer: Why We Use Strict Memory Overcommit

https://cdn.prod.website-files.com/64f9d9b4e737e7b37d4e39a4/669a6467d686c690fa7e7ac6_Burak.jpg
Enabling strict memory overcommit in Linux protects PostgreSQL from catastrophic OOM kills by preventing shared memory corruption. A kernel bug in Linux 6.5 caused inflated committed memory, but a fix was applied, allowing strict overcommit to be safely enabled.

My Dad Helped Build North America's Oat Supply Chain: Can It Be Remade?

https://cdn.sanity.io/images/h6kk644c/production/584d29e29b5e6b3cf85af253dde8af6a6985f15c-2000x1050.jpg?w=3840&q=75&fit=clip&auto=format
The US oat market declined due to agricultural policies favoring corn and soybeans, leading to a shift to importing oats from Canada. A supply chain was built to import Canadian oats, which has proven resilient but may need to be remade to prioritize US soil health and Corn Belt communities.

International chess federation sanctions Kramnik

https://www.fide.com/wp-content/uploads/FIDE-Blue-3.png
The FIDE Ethics & Disciplinary Commission (EDC) has issued its decision in disciplinary proceedings involving former World Champion Vladimir Kramnik. The EDC is an independent judicial body within FIDE responsible for considering alleged violations of the FIDE Ethics Code and Disciplinary Code. It operates independently from the FIDE President, Management Board, and other elected bodies ...

Valve open source the Steam Machine e-ink screen so you can make your own

https://uploads.golmedia.net/uploads/articles/article_media/15354839511783064248gol2.webp
Valve has made the Steam Machine's e-ink display open source under the MIT license, allowing anyone to create their own "Inkterface". JSAUX plans to release pre-built versions of the display.

The Fall and Rise of Screwworm

https://substackcdn.com/image/fetch/$s_!mzFn!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc3a17cc0-112b-419e-bc6a-a3910c5f3208_953x525.png
Screwworms, a flesh-eating parasite, have returned to the US after decades of eradication. The parasite was previously eliminated through a program that dropped millions of sterile male flies in infested areas.

Wordgard: The new in-browser rich-text editor from the creator of ProseMirror

Wordgard is an open-source JavaScript library for in-browser rich-text editors with a powerful programming interface. It's customizable and free to use under the MIT license, but commercial users are expected to contribute to its maintenance.

Right to Local Intelligence

https://righttointelligence.org/beats/beat-01-local.png
Right to Intelligence advocates for open AI models, allowing users to download, own, and run them locally without needing a license. They provide state-specific call scripts to contact legislators about this issue.

Supersonic flight returning to US after half-century ban

https://imageio.forbes.com/specials-images/imageserve/6a4421163051221e5ebeea37/0x0.jpg?format=jpg&height=900&width=1600&fit=bounds
The FAA may repeal the 1970s ban on supersonic flight over US territory due to technological advances that minimize noise impacts. Companies like Boom Supersonic and Spike Aerospace are developing quieter supersonic aircraft for luxurious transatlantic flights.

CarPlay Is Additive

https://www.caseyliss.com/images/2026/no.gif
The author is disappointed that Rivian vehicles do not support CarPlay, a feature that allows phone interaction in cars. They believe Rivian should offer CarPlay as an option to attract more customers and increase sales.

Best Simple System for Now

https://dannorth.net/blog/best-simple-system-for-now/the_general_problem.png
The author proposes a middle path called the Best Simple System for Now (BSSN), which balances simplicity and robustness by focusing on the current needs of a product. This approach prioritizes simplicity over future-proofing and encourages iterative delivery to reduce risk and increase return on investment.

Anatomy of Persistent Memory's 3 Layers: Comparing ContextNest, Mem0 and Zep

https://promptowl.ai/_next/image/?url=%2FKey-Agent-Stale-Facts-Owl-Doodle-V4.png&w=3840&q=75&dpl=dpl_4Lr4YbD1dtD6q7tMvLwpjsUch9HM
Designing production-grade AI agents requires a three-tiered persistent memory stack: conversational session context, user personalization profiles, and governed corporate knowledge. ContextNest serves as the deterministic governance layer, ensuring the agent never acts on stale or unapproved facts.

How working with a blind client revealed invisible accessibility gaps

https://iinteractive.com/assets/logo/20171023_ii_logo_blue.png
The author learned about the challenges of building accessible software through a project with a client who had blind and deaf employees, discovering that Microsoft's tools had significant accessibility gaps. The author emphasizes the importance of prioritizing accessibility from the start and working around platform limitations to create a better experience for users with disabilities.

The Safari MCP server for web developers

https://webkit.org/wp-content/themes/webkit/images/preview-card.jpg
Safari MCP server is a new tool for web developers that makes debugging faster and more powerful by connecting agents to a Safari browser window. It enables agents to emulate user experiences, access DOM, network requests, and console output, reducing manual checks and improving productivity.

crustc: entirety of `rustc`, translated to C

https://opengraph.githubassets.com/36e1834876869cb9d9fedbc96ccbec266e59d764cc03fb7e06d3cdbcc1aa2db8/FractalFir/crustc
The user is working on a Rust to C compiler toolchain called cilly which can compile Rust code to C for arbitrary targets and is network transparent. The toolchain is still in development and not yet ready for public consumption due to some issues and the user's current busy schedule.

Program-as-Weights: A Programming Paradigm for Fuzzy Functions

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers propose fuzzy-function programming, compiling natural-language functions into compact neural artifacts. This approach, Program-as-Weights, uses a 4B compiler to produce efficient adapters for a lightweight interpreter.

Commodore 64 Basic for PostgreSQL

A new PostgreSQL extension, PL/CBMBASIC, brings Commodore 64 BASIC to PostgreSQL. It executes function bodies on Commodore 64 BASIC V2, with a 15-microsecond power cycle per call.

60% Fable cost cut by converting code to images and having the model OCR it

https://raw.githubusercontent.com/teamchong/pxpipe/main/docs/assets/example-render.png
pxpipe compresses Claude Code requests by rendering bulky context as images, reducing input tokens by ~25k to ~2.7k. This results in a ~59-70% lower end-to-end bill.

Reality has a surprising amount of detail (2017)

https://johnsalvatier.org/assets/stairs-diagram.jpg
The author reflects on their childhood experiences working with their father, a Colombian immigrant, and how it taught them about the importance of paying attention to details in reality, which is often overlooked. This realization has implications for various domains, including programming, physics, and personal growth, and the author argues that seeking out and noticing details is crucial ...

US residents angry datacenters 'shoved down our throats' are recalling officials

https://media.guim.co.uk/4933072e410c5b18df40be084aec6ac932ac8c99/0_0_12501_12500/500.jpg
Residents in Lenox Township, Michigan, and other US areas are opposing datacenter projects due to concerns over energy consumption, water usage, and property values. They are pushing for moratoriums and recalling officials who support such projects, showing unity across party lines.

Local Reasoning for Global Properties

The author believes that programming languages can help prevent bugs in AI-generated code by enforcing global properties, such as data race freedom, through local reasoning. The author uses Rust as an example of a language that enforces data race freedom through ownership types and traits, and suggests that this approach could be applied to other languages to improve code reliability and productivity.

Quake in 13 Kilobytes (2021)

https://play.js13kgames.com/q1k3/.c.jpg
The game has great graphics, music, and gameplay despite its small size of 13k. It features enemy AI with line of sight checks, dynamic lighting, and impressive graphics for its tiny size.