Alvaro Lopez Ortega / 2026-04-18 Briefing

Created Sun, 19 Apr 2026 01:34:57 +0000 Modified Wed, 03 Jun 2026 19:57:49 +0000
5196 Words

Casely is recalling 430,000 MagSafe power banks following a fatal explosion and several injuries. In the crypto sector, an attacker drained approximately $292 million in rsETH from Kelp DAO’s LayerZero bridge, forcing a halt to all core contracts. Meanwhile, Elon Musk has proposed a “Universal HIGH INCOME” program to address potential mass unemployment caused by advancements in AI.

🤖 AI & Machine Learning

Musk calls UBI ‘best way’ to mitigate AI layoffs; OpenAI suggests Public Wealth Fund

Elon Musk has proposed a “Universal HIGH INCOME” program, funded by an increased money supply, to address potential mass unemployment caused by advancements in AI and robotics. This follows OpenAI’s proposal for a Public Wealth Fund and increased corporate taxes to manage the economic shifts brought about by superintelligence.

Anthropic’s Claude Mythos Launch Is Built on Misinformation

An investigation into Anthropic’s Claude Mythos launch claims that media coverage has relied on misinformation and exaggerated press materials rather than primary sources. While the model shows genuine capability in identifying long-standing security vulnerabilities, the article argues that its reported technological advantages and scale are significantly overstated.

Zero-Copy GPU Inference from WebAssembly on Apple Silicon

Leveraging Apple Silicon’s Unified Memory Architecture, a new method enables zero-copy GPU inference from WebAssembly by sharing linear memory directly with the GPU. By utilizing mmap for page-aligned memory and wrapping it in a Metal buffer, the CPU and GPU can operate on the same physical bytes without the need for costly serialization or intermediate copies.

College instructor turns to typewriters to curb AI-written work

To combat the use of generative AI and online translation tools, Cornell University instructor Grit Matthias Phelps is using manual typewriters for periodic “analog” assignments. These exercises require students to write without digital aids like spellcheck, aiming to encourage more intentional thinking and reduce distractions.

In the AI propaganda war, Iran is winning

Iran is gaining an advantage in the AI-driven propaganda war by leveraging sophisticated technology to produce more witty and persuasive content. This modern approach contrasts sharply with the unconvincing and demonstrably false messaging employed by previous Middle Eastern regimes.

Headless Everything for Personal AI

To support personal AI agents, apps and services must transition from traditional graphical user interfaces to “headless” models using APIs and command-line interfaces (CLIs). This shift allows AI to execute complex, composable tasks more efficiently and reliably by interacting directly with structured tools rather than navigating visual interfaces.

I Stumbled Across My Boyfriend’s ChatGPT and It Ended Our Relationship

A woman ended her relationship after discovering her boyfriend’s ChatGPT history, which revealed his private doubts regarding their compatibility. The logs showed him using the AI to process his uncertainty, with the AI ultimately suggesting that he end the relationship.

Respect to the Man Chasing AI Immortality, While Freeloading Off Our Platform

An automated system using GitHub Actions mass-registered over 2,000 accounts on the MuleRun platform to exploit free compute credits. The security investigation traced the activity to a young man from the Philippines who inadvertently exposed sensitive credentials in an unauthenticated Firebase database.

Graph RAG finds what’s similar. We should aim for what’s relevant

M-flow is a retrieval system that uses a knowledge graph as its primary scoring engine, prioritizing path-based reasoning over traditional vector similarity. By tracing chains of evidence through semantically weighted edges, the system can accurately retrieve relevant information even when queries and results lack direct keyword overlap.

Claude Code Opus 4.7 keeps checking on malware

A developer has reported that Claude Code Opus 4.7 is frequently triggering malware warnings and refusing to assist with legitimate tasks, such as HTML parsing and cookie automation. The author argues that these overly restrictive security guardrails are becoming intrusive and disruptive to professional development workflows.

Llama.cpp Tutorial 2026: Run GGUF Models Locally on CPU and GPU

This 2026 tutorial provides a comprehensive guide to running GGUF models locally on CPU and GPU using llama.cpp. It covers essential steps including installation, compilation with CUDA or Metal, tuning inference flags, and utilizing features like speculative decoding and the API server.

Generating Hierarchical JSON Representations of Scientific Sentences Using LLMs

Researchers have fine-tuned a lightweight LLM using a novel structural loss function to generate hierarchical JSON representations of scientific sentences. The study demonstrates that these structured formats effectively preserve the semantic and lexical information of the original text during reconstruction.

💻 Software & Engineering

PgQue: Zero-Bloat Postgres Queue

PgQue is a zero-bloat PostgreSQL queue implementation that utilizes pure PL/pgSQL and snapshot-based batching to prevent performance degradation caused by index bloat and dead tuples. Because it requires no C extensions or external daemons, it is fully compatible with all PostgreSQL 14+ environments, including managed services like RDS and Supabase.

Hello old new “Projects” directory

The 0.20 release of xdg-user-dirs now enables a “Projects” directory by default to provide a dedicated storage location for project-centric files like software engineering or CAD designs. This update also introduces support for the Meson build system and improves security by replacing the utility’s shell script with a C binary.

Optimizing Ruby Path Methods

To enhance the performance and cost-efficiency of Intercom’s parallel CI, developers focused on reducing application boot time by optimizing Ruby’s file loading mechanism. The project addressed the inefficiencies of the require method, which performs an expensive linear search through the load path as the number of gems increases.

SQLite prefixes its temp files with etilqs_

SQLite uses the etilqs_ prefix for its temporary files to prevent developers from receiving unnecessary complaints. This change was implemented after McAfee’s anti-virus software used the “sqlite_” prefix, causing users to mistake temporary files for standard databases and contact the developers.

Native IPv6 Kubernetes for true edge routing

This article discusses using IPv6’s large address space to implement native routing in Kubernetes via Global Unicast Addresses (GUA). This approach enables a flat network architecture where pods can communicate directly with the internet without the need for NAT or proxies.

Kdenlive Development Updates

Kdenlive’s 2025 development focused on improving stability, performance, and user experience through features like automatic masking, a redesigned audio mixer, and a new docking system. The team also achieved significant progress in audio waveform generation, overhauled project organization tools, and successfully relaunched the project’s website.

How (and why) we rewrote our production C++ frontend infrastructure in Rust

The authors have successfully rewritten their mission-critical nfsncore frontend infrastructure from C++ to Rust to enhance safety and maintainability. This core component handles essential tasks such as routing and access control, and the Rust version has now fully replaced the original C++ codebase in production.

Unicode Variation Selectors (2007)

The article discusses the debate over using Unicode variation selectors to encode stylistic glyph variants in historic scripts. The author argues that while these selectors are useful for contextual glyph forms in complex scripts, aesthetic or epigraphic distinctions are better managed through markup or fonts.

Towards Trust in Emacs

The new trust-manager package for Emacs aims to reduce the usability friction caused by Emacs 30’s security feature that treats files as untrusted by default. It allows users to grant trust to entire projects just-in-time, helping to prevent the need for overly broad or insecure configurations.

How GitHub uses eBPF to improve deployment safety

GitHub is utilizing eBPF to prevent circular dependencies in its deployment processes that could block critical fixes during service outages. By leveraging eBPF and cGroups, the company can selectively monitor and block network egress from deployment scripts to ensure they do not rely on the availability of GitHub.com or other internal services.

The Complete C Programming Roadmap for Beginners (2026) — From Zero to Confident Programmer

This guide provides a structured, step-by-step roadmap for beginners to master C programming, emphasizing its importance as a foundational language for understanding computer internals. The curriculum progresses through essential topics, ranging from basic syntax and control structures to advanced concepts like functions, arrays, and pointers.

PostgreSQL production incident caused by transaction ID wraparound

A PostgreSQL production incident recently caused a complete write outage due to transaction ID (XID) wraparound. The failure occurs when the database reaches a safety threshold without sufficient row freezing, forcing the system into read-only mode to prevent data corruption. This issue is particularly difficult to detect because it manifests silently over long periods of normal operation without traditional performance warnings.

Version 1.0 Released: WireGuard for Windows and WireGuardNT

Anubis uses a Proof-of-Work scheme to deter aggressive AI web scraping by making large-scale data collection more resource-intensive. This serves as a temporary measure while developers work on more advanced methods for identifying headless browsers.

Adobe Has Run Out of Allies

Adobe has transitioned from a user-centric company focused on the creative community to a corporate-driven organization prioritizing large business contracts. While the software’s quality remains high, this shift in corporate culture has reportedly alienated the individual artists the company once served.

Matt Mullenweg Says “The Wheels Have Fallen Off” in WordPress

WordPress co-founder Matt Mullenweg has criticized the WordPress project for a “self-inflicted decline” caused by inefficient release culture and excessive adherence to open-source norms. He argued that these internal processes are hindering development and producing mediocre results, rather than external competition driving the project’s stagnation.

Amazon won’t release Fire Sticks that support sideloading anymore

Amazon is transitioning future Fire TV Sticks to a new proprietary operating system called Vega OS, which will prevent most users from sideloading apps from outside the official Amazon Appstore. This change restricts software installations to Amazon-approved sources, though registered developers may still retain limited sideloading capabilities.

MDV – a Markdown superset for docs, dashboards, and slides with data

MDV is a Markdown superset designed for creating data-rich documents, dashboards, and slides featuring integrated charts, tables, and styled layouts. The tool extends CommonMark with features like YAML front-matter and fenced code blocks to produce self-contained HTML and PDF outputs.

Fuzix OS

Fuzix OS version 0.4 introduces a modular networking layer and unified binary formats for 8080-series processors, alongside a standardized a.out format for 32-bit binaries. The update also simplifies the build process with a new disk image target and establishes a formal distinction between the RC2014 product line and the RCbus standard.

GNOME GitLab Git traffic caching

GNOME has implemented a caching layer for GitLab Git traffic to reduce bandwidth costs and server load caused by redundant CI traffic. Utilizing OpenResty and Fastly’s CDN, the solution intercepts and caches Git fetch requests by processing their POST request bodies.

Category Theory Illustrated – Orders

Mathematically, an order consists of a set of elements paired with a binary relation that must satisfy specific laws, such as reflexivity, transitivity, antisymmetry, and totality. These rules ensure that the ordering remains consistent and unambiguous in both set theory and programming implementations.

It is incorrect to “normalize” // in HTTP URL paths

Collapsing double slashes (//) into a single slash (/) in HTTP URL paths is an invalid normalization practice. Because RFC 3986 and RFC 9110 permit empty path segments, removing the extra slash alters the syntactically valid structure of the URI.

A story about how I dug into the PostgreSQL sources to write my own WAL receiver

Driven by curiosity about the internal mechanics of the pg_receivewal utility, an author explored the PostgreSQL source code to understand its complex engineering. This deep dive ultimately led to the development of a custom WAL receiver implemented in the Go programming language.

Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG

A new command-line tool called sfsym allows users to export Apple SF Symbols as SVG, PDF, or PNG files. The tool leverages macOS’s internal symbol renderer to ensure precise vector paths and automatically stays updated with the latest system symbol library.

I made a calculator that works over disjoint sets of intervals

A new open-source TypeScript project features an interactive calculator that implements interval union arithmetic to improve precision in operations like division. By using disjoint unions of intervals, the tool overcomes the limitations of standard interval arithmetic when handling intervals containing zero.

Cloudflare can remember it for you wholesale

Cloudflare has introduced Agent Memory, a managed service designed to help AI agents overcome context window limitations by storing and retrieving conversational data on demand. The service provides persistent memory by offloading non-essential details and injecting relevant information, allowing AI models to retain useful context over long periods.

🛡️ Security & Privacy

US Supreme Court system hacker handed one year of probation

Nicholas Moore has been sentenced to one year of probation for hacking the US Supreme Court, AmeriCorps, and the Department of Veterans Affairs. Although he shared sensitive information from the breaches on social media, the Justice Department recommended probation because he took responsibility for his actions and poses no threat to the community.

Attacker drains ~$292M rsETH from Kelp DAO’s LayerZero bridge; all rsETH contracts paused

An attacker exploited Kelp DAO’s LayerZero-powered cross-chain bridge to drain approximately $292 million worth of rsETH. In response, Kelp DAO paused its core contracts to prevent further losses, while Aave froze its rsETH markets on the V3 and V4 platforms to mitigate potential bad debt.

Fake Claude site installs malware that gives attackers access to your computer

A fake website impersonating Anthropic’s Claude is distributing a trojanized installer designed to deploy PlugX malware via DLL sideloading. While the installer runs the legitimate Claude application, it secretly installs malicious components into the Windows Startup folder to grant attackers remote access to the system.

Researchers Stole $10k from MKBHD’s Locked iPhone

Cybersecurity researchers have demonstrated an exploit that uses specialized NFC hardware to steal funds from a locked iPhone by mimicking a mass transit terminal. The vulnerability stems from a specific Visa security loophole involving Express Transit Mode and requires physical access to the device. While Visa considers the real-world risk minimal, users can protect themselves by avoiding the use of Visa cards for transit payments on iPhones.

🔌 Hardware & Computing

430,000 Casely power banks recalled after woman dies in charger explosion

Casely and the U.S. Consumer Product Safety Commission are recalling 430,000 MagSafe wireless power banks due to fire hazards that have caused several injuries and one death. Customers who purchased the affected model E33A between March 2022 and September 2024 should contact Casely for a replacement or store credit and dispose of the device through proper hazardous waste channels.

B-52 Bomber Star Tracker Technology

Before the advent of GPS, B-52 bombers utilized the Astro Compass, an automated celestial navigation system, to determine precise headings and positions. This system relied on an electromechanical Angle Computer that performed complex trigonometric calculations by physically modeling the celestial sphere.

The Secret Life of Circuits

“The Secret Life of Circuits” is an upcoming illustrated guide for electronics hobbyists, covering topics ranging from fundamental physics to production-grade design. Pre-orders currently offer a 25% discount and early access to the first ten chapters, with hardcover copies expected to ship in late September.

Running a Minecraft Server and more on a 1960s UNIVAC Computer

Developers have successfully run complex software, such as a Minecraft server and an NES emulator, on a 1960s UNIVAC 1219B computer. By creating a new Rust-based emulator and assembler, the team enabled C compilation on the machine’s highly constrained 18-bit architecture and 90KB of RAM.

Hardware Is Hard?

Seeking a creative outlet beyond AI-driven tasks, the author recounts their journey into learning robotics by building a simple remote-controlled car. The article uses a water-flow analogy to explain fundamental electrical concepts such as voltage, current, and resistance.

4-bit floating point FP4

Driven by the need to fit more parameters into memory, neural networks are increasingly utilizing reduced-precision floating-point formats like FP4. The article examines how various configurations of sign, exponent, and mantissa bits affect the numerical range and distribution of these 4-bit numbers.

Sidephone: A minimalist Android phone with swappable USB keypads

Sidephone is a minimalist Android device featuring a privacy-centric ecosystem of pre-installed applications, including the Proton suite and Signal. The hardware offers customizable settings and programmable keypad buttons, supporting a variety of third-party services for communication and productivity.

Amiga Graphics

Launched in 1985, the Commodore Amiga featured groundbreaking graphics capabilities powered by an intricate collection of custom chips. These components allowed the system to achieve visual tasks that were previously impossible on other personal computers.

🌍 Society & Politics

How to watch Amstel Gold Race 2026 for free on SBS On Demand

The Amstel Gold Race 2026 will be available for free on Australia’s SBS On Demand on April 19, 2026. International viewers can bypass regional geo-restrictions to access the live stream by using a VPN.

A US judge grants an injunction to makers of the banned “ICE Sightings - Chicagoland” Facebook gr…

A US judge has granted a preliminary injunction to the creators of the “Eyes Up” app and the “ICE Sightings - Chicagoland” Facebook group, preventing the government from coercing platforms to remove them. The plaintiffs allege that the Trump administration violated First Amendment rights by pressuring companies like Apple and Facebook to suppress their ICE-monitoring efforts.

Airbnb expands to boutique hotels in NYC and LA pilot to boost growth

Airbnb is piloting a new feature in cities including New York and Los Angeles that allows users to book boutique hotels alongside traditional private home rentals. The expansion aims to drive company growth, though analysts warn of significant competition in the accommodation market.

OpenTable CEO Debby Soo’s pivot to restaurants hits record 65K venues and 2B annual diners

OpenTable CEO Debby Soo has pivoted the company’s strategy from prioritizing diners to addressing the needs of its primary paying customers, the restaurants. This strategic shift has helped the platform regain major restaurant groups, now serving approximately 2 billion diners across 65,000 restaurants annually.

Young sons of U.S. marshal ride horseback from Oklahoma to New York (2018)

In 1910, brothers Louis “Bud” and Temple Abernathy completed a 2,000-mile horseback journey from Frederick, Oklahoma, to New York City. The trip was timed to coincide with President Theodore Roosevelt’s return from an African expedition, allowing the boys to join a celebratory parade in Manhattan.

America will come to regret its war on taxes

The United States is seeing a bipartisan trend toward significant tax cuts, exemplified by the deficit-funded “Big, Beautiful Bill.” The author warns that these unscrutinized, popular policies may ultimately lead to economic regret due to their reliance on massive deficit spending.

Apple TV’s Upcoming Cyberpunk Series Will Be the Matrix Meets Blade Runner

Apple TV+ is developing an upcoming cyberpunk series titled Neuromancer, based on the acclaimed novel by William Gibson. The adaptation aims to blend the immersive, dystopian setting of Blade Runner with the reality-bending narrative of The Matrix.

Berlin offers free entry for litter picking to make tourists do their bit

Berlin is launching the “BerlinPay” scheme in summer 2026, offering rewards such as vouchers and special experiences to individuals who engage in eco-friendly actions like litter picking. Inspired by a model from Copenhagen, the initiative aims to promote sustainable tourism and address the city’s growing waste problem through partnerships with local businesses and cultural institutions.

IMF says America’s $39T national debt is a global problem

The IMF warns that the U.S. national debt is part of a broader global trend, with global public debt projected to reach 99% of world GDP by 2028. To stabilize the U.S. debt trajectory, which could reach 142% of GDP by 2031, the Fund calls for significant fiscal tightening to address structural deficits caused by higher spending and lower revenues.

List of people imprisoned for editing Wikipedia

Eight Wikipedia editors have been imprisoned or executed for making contributions critical of government actions, political repression, or public morals. These documented cases have occurred primarily in Belarus, Saudi Arabia, and Syria.

White House probes wave of missing or dead American scientists

The White House is investigating the mysterious disappearance or death of at least 10 high-profile American scientists since mid-2024. Many of the affected individuals, including astrophysicists and nuclear researchers, held top security clearances, raising concerns about potential foreign espionage.

Georgia’s Voting Technology Blunder

Voting machine companies historically attempted to pass off existing, defective technology as a new industry standard through a deceptive process at the IEEE to secure federal funding. The article also details how Diebold utilized DMCA takedown notices to suppress leaked memos revealing significant malfunctions in their machines.

Sherry Turkle: “We’re losing the raw human part of being with each other” (2013)

MIT professor Sherry Turkle warns that delegating social interactions to technology and robotics risks undermining the complexity of human connection. Drawing on decades of research, she argues that as we increasingly expect more from machines and less from each other, we risk losing the essential, raw human elements of interpersonal relationships.

Trump deal with IRS could see him given $14B in taxpayer money

Donald Trump and his sons have requested a 90-day extension to resolve a $10 billion lawsuit against the IRS stemming from leaked tax information. The litigation has drawn criticism from ethics watchdogs and prompted Senator Elizabeth Warren to introduce legislation preventing presidents from profiting from lawsuits against their own agencies.

Takeaways from the Story of Trump’s Decision to Go to War with Iran

New details from a forthcoming book indicate that President Trump’s alignment with Prime Minister Benjamin Netanyahu and a lack of internal opposition led the U.S. toward a military campaign against Iran. During a Situation Room presentation, Netanyahu proposed a regime-change plan that U.S. intelligence officials dismissed as “farcical.”

Working hurts less than procrastinating, we fear the twinge of starting (2011)

The author proposes that self-criticism during procrastination may inadvertently reinforce the behavior by training the mind’s awareness of it through negative reinforcement. To counteract this, they suggest using positive reinforcement, such as celebrating the moment of self-awareness, to more effectively guide the brain toward productive actions.

Why Japan has such good railways

Japan’s world-leading railway system is characterized by high passenger usage and a network of profitable, private companies. Its success is driven by effective public policies and regulation rather than cultural traits, offering a replicable model for other nations.

The quiet disappearance of the free-range childhood

Vague child-neglect laws and a culture of constant supervision are increasingly enabling government intervention in ordinary parenting decisions. In response, several states are passing “reasonable childhood independence” laws to protect parents from neglect investigations when children engage in safe, unsupervised activities.

Two Magicians Warn the Supreme Court About Junk Science

Magicians Penn & Teller have filed a Supreme Court brief challenging the use of “investigative hypnosis” in the Texas death penalty case of Charles Don Flores. The filing argues that the technique can taint key evidence, with Penn Jillette leveraging his professional expertise in deception to highlight the potential for misleading witnesses.

The FBI Director Is MIA

FBI Director Kash Patel recently caused alarm within the bureau after a technical lockout led him to believe he had been fired by the White House. Multiple officials have described his tenure as erratic, alleging that his behavior, including unexplained absences and excessive drinking, poses a national security risk.

The Business Plot of 1933

The Business Plot was a 1933 conspiracy in which wealthy American businessmen allegedly planned to overthrow President Franklin D. Roosevelt and install Smedley Butler as a dictator. A congressional investigation concluded that although no individuals were prosecuted, a plan to use a fascist veterans’ organization for a coup was seriously discussed and prepared.

The Bureaucrats Won’t Be Toppled: Revolts No Longer Work

Political power in the Western world is increasingly shifting from elected legislators to appointed bureaucrats and judges. This trend is driven by advancements in weapons technology, which concentrate military force within state institutions and diminish the effectiveness of popular revolt as a check on government authority.

Reflecting on my own strange year at Uber

An Uber employee recounts receiving a “Final Warning” for sexual harassment without being provided with specific allegations or evidence. The author alleges that an opaque HR investigation and instructions to delete relevant communications resulted in a fundamental lack of due process.

How Australia Stopped the Boats

European nations are increasingly attempting to implement “offshore processing” for asylum seekers, modeling their strategies after Australia’s perceived success in curbing boat arrivals. However, the article argues that this approach misinterprets Australia’s actual policy, which primarily relied on intercepting and turning back boats at sea.

🔬 Science & Nature

NASA Shuts Off Instrument on Voyager 1 to Keep Spacecraft Operating

NASA engineers have shut down the Low-energy Charged Particles (LECP) instrument on Voyager 1 to conserve the spacecraft’s dwindling power levels and extend its mission life. Despite the loss of this instrument, Voyager 1 remains functional and continues to transmit scientific data using its remaining instruments.

Dad brains: How fatherhood rewires the male mind

Research indicates that becoming a father triggers significant biological and hormonal changes in men, mirroring the transformations experienced during motherhood. Studies show that increased involvement in childcare is linked to lower testosterone levels, suggesting that nurturing behavior is a deeply rooted biological trait.

The USDA’s gardening zones have shifted. (Interactive app and map)

The USDA has updated its plant hardiness map for the first time in 11 years, reflecting a 3.3°F increase in average minimum winter temperatures. Driven by a warming climate and improved data accuracy, this update helps gardeners more precisely predict the winter survival of perennial plants.

The Great Pyramid of Giza and the Speed of Light

The claim that the Great Pyramid of Giza’s latitude matches the speed of light is a numerical coincidence. While the digits align, the meter was not defined until thousands of years after the pyramid’s construction.

Why scientists are nervous about fungi

Scientists are warning of an increasing, under-the-radar threat from drug-resistant fungi, which often go undetected in regions with limited healthcare resources. The crisis is intensified by the widespread use of agricultural fungicides that create cross-resistance to essential medical antifungal treatments.

Stanford scientists discover “natural Ozempic” without side effects

Stanford researchers have identified a new 12-mer peptide, BRP, that reduces food intake and provides anti-obesity effects in mice and pigs. Unlike existing treatments, BRP operates through a unique biological mechanism that avoids common side effects such as nausea.