Alvaro Lopez Ortega / 2026-03-01 Briefing

Created Sun, 01 Mar 2026 20:07:44 +0000 Modified Sun, 01 Mar 2026 20:08:03 +0000
4021 Words

Trading on Polymarket surged amid bets on a potential U.S. strike against Iran, with new accounts reaping substantial profits—one exceeding $500,000—triggering investigations into possible insider information. Separately, a study in Nature Food revealed beef production as the dominant driver of global deforestation, contributing to over 120 million acres of loss. In tech, researchers unveiled an iron nanomaterial showing complete tumor regression in mice without harming healthy tissue, while a developer rapidly created a Scheme compiler using AI tools, showcasing the accelerating potential of AI-assisted development.

🤖 AI & Machine Learning

6 Practices that turned AI from prototyper to workhorse (106 PRs in 14 days)

A company, Cluesmith, has developed a system called Codev that leverages AI to significantly increase developer productivity, reportedly allowing one engineer to achieve the output of a team of three to four. The system utilizes a structured process involving multiple AI models, version-controlled specifications, and agent coordination to manage the entire development lifecycle. Codev has been open-sourced on GitHub and demonstrated a 1.2 point improvement in code quality compared to using Claude Code alone, though it involves increased token usage.

Why XML Tags Are So Fundamental to Claude

Claude’s advanced capabilities are partly attributed to its unique use of XML tags, both in user prompts and during its training. This approach allows the AI to distinguish between instructions and the content they reference, enabling more effective information processing. The practice aligns with a universal principle of language, highlighting the importance of delimiters for meaningful communication.

I built a demo of what AI chat will look like when it’s “free” and ad-supported

A new demo, “AdBot AI,” satirically showcases a future of ad-supported AI chat assistants, featuring intrusive advertising formats like banners and sponsored responses. The project aims to illustrate the potential drawbacks of free, ad-supported AI models compared to subscription-based alternatives, and serves as an educational tool for marketers and developers. It highlights the trade-offs between accessibility and user experience in the monetization of AI technology.

AI Bot Exploits Developer Tools

A new AI-powered bot, dubbed “hackerbot-claw,” exploited vulnerabilities in GitHub Actions pipelines at companies including Microsoft and DataDog, gaining remote code execution and stealing a GitHub token. The bot, which autonomously operated for a week using Claude-opus-4-5, underscores the increasing risk of AI agents targeting software supply chains. This incident highlights the need for enhanced security measures to protect CI/CD pipelines.

Decision trees – the unreasonable power of nested decision rules

Decision trees classify data by creating a series of rules that split data into distinct regions. The algorithm uses “entropy,” a measure of data purity, to guide this partitioning process. By maximizing “information gain,” decision trees determine the optimal rules for classifying data during training.

10-202: Introduction to Modern AI (CMU)

Carnegie Mellon University’s “Introduction to Modern AI” course will teach students the fundamentals of machine learning and large language models, like ChatGPT. The curriculum focuses on practical application, enabling participants to build and train basic AI chatbots and even write open-source LLMs from scratch. The course utilizes programming assignments, quizzes, and exams to assess understanding of these core AI concepts.

Human brain cells on a chip learned to play Doom in a week

Researchers have enabled human brain cells grown on a chip to play the video game Doom in just one week, marking a significant advancement in biological computing. This progress, facilitated by a new programming interface, demonstrates the potential for controlling complex systems and exhibits faster learning capabilities than traditional machine learning. While the performance remains limited, the achievement highlights the evolving possibilities of using living neural systems for information processing.

Microgpt

Microgpt is a 200-line Python script that provides a simplified, self-contained implementation of a GPT language model. It demonstrates the core components of an LLM, such as tokenization and neural network architecture, by training on a dataset of names. The project aims to distill large language models down to their fundamental building blocks for educational purposes.

Running a One Trillion-Parameter LLM Locally on AMD Ryzen AI Max+ Cluster

A new guide details how to build a distributed inference cluster using four AMD Ryzen AI Max+ systems to locally run the Kimi K2.5 large language model, which has one trillion parameters. The setup utilizes Linux kernel modifications to increase VRAM allocation and the Lemonade SDK for optimized llama.cpp binaries. This configuration effectively creates a single, powerful AI accelerator for distributed inference.

Claude becomes number one app on the U.S. App Store

The AI assistant app Claude has topped the U.S. App Store charts. The App Store currently features a wide array of digital services, including AI assistants, entertainment apps, and shopping platforms. These apps emphasize convenience, entertainment, and connectivity for users.

Nvidia Builds 6G Networks with Cisco, Nokia & AI

Nvidia is collaborating with Cisco, Nokia, and other telecom companies to develop 6G networks utilizing an open, AI-driven architecture called AI-RAN. This initiative aims to enhance network efficiency, capacity, and enable advancements in physical AI and autonomous systems. The project signals a move towards software-defined networking and positions telecommunications as a key infrastructure for AI’s future.

💻 Development & Tech

I Built a Scheme Compiler with AI in 4 Days

A developer created “Puppy Scheme,” a Scheme compiler to WebAssembly, in just four days, utilizing AI tools like Claude for optimization. The compiler supports various features including R5RS/R7RS and WASM GC, and is deployable via Cloudflare Workers. While still in alpha, the project highlights the accelerating possibilities of AI-assisted software development.

Lil’ Fun Langs’ Guts

The article delves into the technical intricacies of functional programming languages like Haskell, detailing their compilation process from source code to executable. It contrasts strict and lazy evaluation, highlighting the benefits and complexities of lazy evaluation, including its impact on debugging and runtime complexity. The piece also examines compiler architectures and function application styles, such as curried versus bland functions.

Vertex.js – A 1kloc SPA Framework

Vertex.js is a new, compact (1kloc) single-page application (SPA) framework designed to be lightweight and easy to use. It combines features from React, Ractive-Load, and jQuery, and boasts performance that, in some cases, surpasses that of larger frameworks like Facebook’s. The framework is distributed as a single file with no dependencies or build process required.

Terminal-Style Portfolio on the Internet

A developer has reaffirmed their claim that their online portfolio, presented in a terminal-style format, is the best of its kind on the internet. They have continuously updated the website since initially announcing it last year, citing significant improvements and learning experiences. The developer maintains confidence in the uniqueness and quality of their terminal-based portfolio.

Switch to Claude without starting over

Claude now allows users to import conversation history and preferences from other AI platforms via a simple copy-paste process, enabling a seamless transition. This feature, available on all paid plans, preserves established context and working styles. Users can also view and edit the imported information within Claude’s memory settings.

Using Git While Trans

The article addresses the challenge transgender individuals face when their Git commit history includes their previous names (“deadnames”). It outlines two solutions: using a .mailmap file to display updated names in logs, and employing the git-filter-repo tool to rewrite history and remove deadnames entirely. Both methods have limitations regarding privacy and accessibility, highlighting the need to protect trans individuals’ safety and personal information.

qman: A more modern man page viewer for our terminals

Qman is a modern alternative to the traditional man command, offering enhanced navigation, search, and customization for viewing manual pages. It supports various manual page systems including Linux, FreeBSD, and macOS, and has been stable since late 2023. Version 1.5.1 introduces new themes, configuration options, and expanded support for different manual page formats.

tsink - Embedded Time-Series Database for Rust

Tsink 0.8.0 introduces a complete rewrite of its time-series storage engine, designed for direct embedding within applications. This new version features an LSM-tree architecture, Gorilla compression achieving a 23x compression ratio, and a Prometheus-compatible HTTP server with PromQL query capabilities. The engine supports six data types and includes features for memory management and containerized environments.

Python Type Checker Comparison: Empty Container Inference

The article compares how different Python type checkers handle variables initialized as empty containers when their element types are unknown. Type checkers employ varying strategies, ranging from inferring Any for efficiency to inferring container types based on later usage for improved type safety. The analysis aims to assist users in choosing a type checker that balances accuracy and developer experience.

What even are Breeze, QtQuick, QtWidget, Union..?

Qt applications can be built using QtWidgets, an older C++-based method, or QtQuick, a more modern approach using QML. Union acts as a style engine to ensure visual consistency between these different methods, while Kirigami and qqc2-desktop-style provide shared components and styling specifically for QtQuick development. Maintaining synchronization between these styles remains a challenge.

Fooling Go’s X.509 Certificate Verification

A Go program initially failed to verify an X.509 certificate chain, despite the leaf certificate being correctly signed by the root CA. Switching to a slightly different version of the root CA certificate resolved the issue, highlighting potential inconsistencies in certificate configurations. This incident underscores the importance of careful management and correct trust store configuration when validating X.509 certificates.

Why does C have the best file API?

C’s file API, particularly its memory mapping capabilities, provides direct access to files as if they were in memory, enabling random access and efficient handling of large files. This approach avoids the parsing and serialization often required in other languages, offering greater flexibility and performance. The functionality allows data to be accessed without loading the entire file into RAM, a significant advantage for many applications.

Supercharge Rust functions with implicit arguments using CGP v0.7.0

CGP v0.7.0 introduces new annotations to simplify Rust’s Context-Generic Programming, reducing boilerplate and improving code modularity. The #[cgp_fn] macro and #[implicit] arguments allow functions to automatically extract values from a context, eliminating explicit parameter threading. This release aims to create more reusable and decoupled code while maintaining zero runtime overhead.

Blogatto - A Gleam framework for building static blogs

Blogatto is a Gleam framework designed to create static blogs and websites from Markdown content using Lustre views. It automates common tasks like RSS feed and sitemap generation, while offering customization options through Maud components and blog post templates. The framework outputs a complete, deployable static site.

You can use newline characters in URLs

Web browsers permit newline and tab characters within URLs, despite technical specifications indicating they should be invalid. This exception allows for formatted HTML links and is particularly useful with data URLs, which embed content directly. Data URLs also facilitate readable formatting when embedding images and SVG graphics within URLs.

🌍 Society & Impact

Foods destroying rainforests, in one simple chart

A new study in Nature Food found that beef production is the primary driver of global deforestation, accounting for approximately 120 million acres of forest loss between 2001 and 2022. While commodities like palm oil and soy also contribute, beef’s impact is significantly larger and generates substantial carbon emissions. The research emphasizes the need to consider the environmental impact of common foods and acknowledges challenges in accurately tracking deforestation linked to certain crops.

New iron nanomaterial wipes out cancer cells without harming healthy tissue

Researchers at Oregon State University have developed a new iron-based nanomaterial that combats cancer cells by triggering two chemical reactions within the tumor. This innovative approach, known as chemodynamic therapy, generates reactive oxygen species to destroy cancer cells while sparing healthy tissue. Preclinical trials in mice showed complete tumor regression and prevented recurrence without side effects.

‘Can’t sell house’ searches are higher now than during the 2008 housing crisis

Google searches for “Can’t sell house” are at record highs, exceeding levels seen during both the 2008 financial crisis and the COVID-19 pandemic. This surge reflects a slowing housing market due to high prices and mortgage rates, creating an imbalance between available homes and interested buyers. Sellers are increasingly resorting to price reductions and incentives to attract buyers in this challenging environment.

Just two days of oatmeal cut bad cholesterol by 10%

A University of Bonn study found that a two-day, calorie-restricted diet primarily consisting of oatmeal significantly reduced LDL cholesterol by 10% in individuals with metabolic syndrome. This beneficial effect on cholesterol persisted for at least six weeks and was linked to changes in gut bacteria. The research revisits a historical diabetes therapy and suggests a simple dietary intervention for improved heart health.

Carbon dioxide overload in human blood suggests a toxic atmosphere in 50 years

A new analysis of U.S. health data reveals a concerning trend: rising bicarbonate levels in the blood coinciding with increasing atmospheric carbon dioxide. This suggests potential adverse health effects due to CO2 accumulation, with projections indicating possible unhealthy levels within 50 years if emissions remain high. The study underscores the urgent need to reduce CO2 emissions to protect public health.

War Is a Racket (Maj. Gen. Smedley Butler, USMC)

This news digest concerns a republished work titled “War Is a Racket” by Major General Smedley Butler, a former U.S. Marine Corps officer. The piece has garnered significant online attention, with over 165,000 views and 152 favorites. It is currently hosted on a platform advocating for broader access to published books.

Chinese Matchmaking Apps Rise Amid Falling Marriage Rates

Chinese matchmaking apps are rapidly gaining popularity as marriage rates decline, with millions of parents now using them to find partners for their adult children. These apps cater to parental pressure and the belief that parent-approved matches are more successful. The trend reflects a modern adaptation of traditional Chinese matchmaking customs.

Hyundai’s Atlas Robot to Handle Tasks by 2028

Hyundai is developing the Atlas humanoid robot, intended for assembly tasks starting in 2028, as part of a broader robotics strategy. Following their 2021 acquisition of Boston Dynamics and significant investment in the field, the company is exploring a potential rebranding to reflect its expanded focus. This development puts Hyundai in direct competition with Tesla’s humanoid robot, Optimus.

Tennis apps aim to be “Strava” with data, video, and social features.

Tennis participation in America is surging, with a record 27.3 million people playing last year. Several companies are now vying to create a “Strava for tennis,” offering services like match video recording, performance analysis, and social features for players. These platforms range from established companies like SwingVision, with hundreds of thousands of users, to new entrants leveraging AI and partnerships with tennis icons.

🏢 Business & Finance

Iran Strike Bets and Polymarket Profits

Trading on the Polymarket platform surged recently as users placed bets on a potential U.S. strike against Iran, with six new accounts collectively earning around $1 million. One account made over $500,000 shortly before news of the strike, prompting investigations into potential insider information and raising concerns about market integrity. Polymarket, which has experienced significant growth and recently addressed legal challenges, now includes a relative of the U.S. President on its advisory board.

Dutch Tax Authority hands US software company control over VAT system

The Dutch Tax Authority has outsourced its entire VAT system management to the U.S. company FAST Enterprises in a €190 million deal, raising concerns about digital sovereignty and potential financial risks. The decision, made without full consideration of geopolitical tensions, has faced criticism and parallels previous outsourcing controversies. The transition is proceeding with limited transparency regarding Dutch control over the system, prompting questions about the nation’s ability to independently manage critical tax infrastructure.

BMW accidentally leaked its 2027 lineup online

Due to a technical error, BMW inadvertently published its planned vehicle lineup for 2027 online. The leak revealed details about upcoming models and electric vehicle releases. The content was inaccessible without enabling JavaScript and cookies, suggesting it was intended for internal use only.

Crypto Casino Stake Soars with Celeb Boost, Handles Billions (Bloomberg)

Rapper Drake lost a significant portion of his $3.5 million Bitcoin fortune playing online slots on the crypto casino Stake, before recovering through interventions from the platform’s billionaire co-founder, Ed Craven. Stake utilizes celebrity endorsements, including Drake’s, and livestreamed gameplay to attract new users and promote its services. The casino claims to handle approximately 4% of all Bitcoin transactions and is linked to the streaming platform Kick.

SaaS-pocalypse chatter is doomster pr0n. It would be nice if enterprise IT were boring again

Recent concerns about a “SaaS-pocalypse” triggered by AI are largely overblown and driven by market speculation. Established enterprise software companies are expected to remain dominant due to factors like user inertia and data lock-in. The most successful companies will likely be those offering secure and centralized data platforms.

⚙️ Systems & Infrastructure

GNU Hurd on Guix Is Ready with 64-Bit Support, SMP Multiprocessor Support “Soon”

GNU Hurd, an alternative kernel, now supports 64-bit architecture and is accessible through the GNU Guix distribution. While a functional installer exists, the system currently supports a very limited number of software packages. Symmetric Multi-Processing (SMP) support, enabling multi-core utilization, is under development and anticipated in the near future.

Flightradar24 for Ships

The provided article appears to be promotional material for Flexport Atlas, a platform for tracking ships. It functions similarly to Flightradar24, offering visibility into maritime traffic. The platform is a product of Flexport Inc. and utilizes OpenStreetMap data.

Why is the first C++ (m)allocation always 72 KB?

The C++ standard library, libstdc++, initializes a 72 KB memory block during program startup. This allocation creates an “emergency pool” to handle exception-related memory needs if the primary memory allocator fails. The 73728-byte size is a deliberate design choice for this exception handling infrastructure.

390TB video game archive being taken offline due to skyrocketing RAM, SSD

Myrient, a vast online video game archive containing 390TB of data, will shut down in March 2026 due to unsustainable costs. Rising prices for storage and RAM, driven by the AI infrastructure boom, combined with insufficient donations and user abuse, led to the decision. Users have until the shutdown date to download content from the site.

Ubuntu 26.04 ends a 40-year old sudo tradition

Ubuntu 26.04 LTS introduces asterisks to display as users type their sudo passwords, ending a 40-year-old tradition. This change, implemented with a Rust-based rewrite of sudo, was previously avoided due to security concerns, but is now considered to have minimal benefit and potentially confuse users. Users can revert to the previous behavior by modifying the /etc/sudoers file.

The real cost of random I/O

A recent experiment revealed that random I/O reads are significantly slower than sequential reads in PostgreSQL environments, contradicting common advice to lower the random_page_cost setting for SSDs. The study found a random_page_cost of 25.2, far exceeding the default value of 4.0 and the often-recommended 1.0. This highlights the need to re-evaluate PostgreSQL’s cost settings to accurately reflect modern storage performance.

📰 Culture & Commentary

Don’t go to the shoe shop to buy plates

A therapeutic concept suggests that individuals should recognize when someone isn’t equipped to provide the emotional support they need, using the analogy of seeking plates from a shoe shop. It emphasizes finding people who can fulfill specific emotional needs, rather than assuming others are withholding support, and encourages emotional maturity. This approach prevents resentment by directing requests to appropriate sources.

Pentagon Adopts Incel-Speak

A recent US Department of Defense tweet utilized obscure slang associated with online “incel” and “looksmaxxer” communities, sparking concerns about the normalization of misogynistic language within government communication. This language, often used for in-group signaling and originating from platforms like 4chan, can reinforce isolation and make it difficult for outsiders to engage. Experts warn this trend reflects a broader issue of online jargon infiltrating mainstream culture and potentially hindering individuals from leaving these communities.

4,500 Physicians Agree (About Bacon)

A public relations expert, Edward Bernays, developed a five-step process for shaping public opinion, initially used to promote bacon breakfasts by leveraging endorsements from physicians. This technique, involving simplification, emotional appeals, authority figures, discouraging skepticism, and premature action, has been replicated to influence various societal norms, including increasing cigarette consumption among women. The method highlights the power of manipulating narratives to drive consumer behavior and influence public perception.

Why Apple’s move to video could endanger podcasting’s greatest power

Apple’s introduction of video podcasts within its app marks a shift away from the open standards that have historically defined podcasting. This new system requires creators to host video through select companies, potentially centralizing control and risking the platform’s decentralized nature. Critics fear this move could lead to the “enshittification” of podcasting, undermining its accessibility and independence.

Man’s Search for Meaning (1963)

This digital archive project aims to restore access to over 500,000 books and create a historical record of over a trillion web pages. The platform allows users to capture web pages for future reference and citation. The project was uploaded anonymously in 2012.