Pre-2022 Books

https://notes.lorenzogravina.com/musings/pre-2022-books-og-image.webp
You prefer books published before 2022 due to the manual effort involved in their creation, giving them more weight and credibility. This preference stems from valuing the human touch and effort that went into producing these works.

Unauthorized alert sent to cell phones across Brazil

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Unauthorized alert with "misantropi4" message sent to cell phones in Brazil, suspected to be a hacker attack. Brazilian government is investigating the incident and restoring the National Civil Defense's warning platform.

SMPTE Makes Its Standards Freely Accessible

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SMPTE has made its entire Standards catalog freely available to the global media technology community. This move aims to accelerate adoption and implementation, strengthen interoperability, and drive innovation in the industry.

A Love Story

https://pudding.cool/2026/06/love-story/assets/love_charts/dynamics.svg
A Stanford University study found that couples in excellent relationships were more likely to have their relationships improve during the pandemic, with mutual agreement on safety measures being a key factor. The study suggests that modern relationships require too much from partners, leading to tension and isolation, but also highlights the importance of shared meaning and mutual support in ...

Alice is impatient

You're measuring time in requests or outages, but users like Alice and Alex experience time in seconds and minutes, leading to a discrepancy in perceived wait times. This is due to the inspection paradox, where users experience a time-weighted version of the latency distribution, resulting in a higher mean time to recovery than the actual MTTR.

UHF X11: X11 Built for VisionOS and Apple Vision Pro

https://www.lispm.net/apps/uhf-x11/screenshot_1.jpeg
visionOS receives X11 calls from clients and vintage machines, opening each top-level window separately. X authority cookies are generated on device and copied to clients for secure connections.

PostgresBench: A Reproducible Benchmark for Postgres Services

https://clickhouse.com/uploads/Clean_Shot_2026_04_02_at_12_04_50_54c3552a58.png
A benchmark was created to compare Postgres performance across various services, including AWS RDS, Aurora, and others, using a TPC-B-like workload. The results show that Postgres managed by ClickHouse outperforms others due to its NVMe-backed storage and architecture.

DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots

The F-15 Strike Eagle 2 reconstruction project has made significant progress, with all C code rewritten and data moved from assembly to C. The project is now open for testing and bug reporting, with the latest release v0.9.1 available for download.

CSSQuake

https://cssquake.com/assets/cssquake-social.webp
Play Quake in your browser with no install. cssQuake renders the game as inspectable HTML and CSS powered by PolyCSS.

Turns Out, There Is a Cabal of Elite Crazies Trying to Control the World

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Dialog, a secret group led by Peter Thiel, has a 2026 retreat with 222 attendees including high-ranking officials and business leaders. The group's focus is on AI, longevity, and the near future, with some predicting societal degeneration and mass labor displacement.

Inference cost at scale with napkin math

To estimate the cost of serving AI models, we calculate the dollar cost-per-user based on GPU cluster scale, model architecture, and inference math. With a 32B model on a B200 GPU, we can serve 300 users comfortably, with a lifetime cost of $133 per user or $0.013 per user per hour.

The Wholesale Plagiarism of Obscure Sorrows

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A marketing agency, Qontour, created an unauthorized website for The Dictionary of Obscure Sorrows, using AI-generated content and monetizing it with affiliate links. The site outranks the official site in search results, causing confusion over its authorship and potentially damaging the book's reputation.

Not just books: renting a sewing machine from the library can improve democracy

https://ichef.bbci.co.uk/images/ic/480xn/p0nssr23.jpg.webp
Finland's libraries are increasingly being valued not by how many books they lend, but how they help societies function. On a freezing January morning in Helsinki, around 20 people gather outside Oodi, the city's central library, waiting for the doors to open. "I have tears in my eyes when I see people almost run into the building at 08:00, heading straight to their favourite ...

Show HN: StartupWiki – A Free Alternative to Crunchbase

StartupWiki is a community-driven AI-powered research directory of global startup ventures. Explore AI, Biotech, CleanTech, FinTech and more.

Show HN: Make PDFs look scanned (CLI or in the browser via WASM)

https://private-user-images.githubusercontent.com/98480250/610801884-9653fd3b-3abe-4427-ad82-03a78d4429b5.jpg?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.WxNJR48ZCYJSbvXj5iJ3mPwK7zk3Kkegj1CJA4TuQME
make-look-scanned is a CLI and browser tool that degrades PDFs to look like physical scans. It uses Go and a C toolchain for the CLI and PDF.js for the browser build, both with AGPL-3.0 licenses.

Tesla allegedly in autopilot mode crashes into Texas house, woman killed

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A Tesla driver in self-driving mode crashed into a Texas house, killing a woman inside. The driver, Michael Butler, was injured but showed no signs of intoxication and is cooperating with investigators.

Bun has an open PR adding shared-memory threads to JavaScriptCore

https://opengraph.githubassets.com/7f905d915e01398962324a4ff1a6bc9365bc7bf50f9fc7b84d05a365c338aae7/oven-sh/WebKit/pull/249
What this is Shared-memory threads for JavaScriptCore. new Thread(fn) runs fn on another thread, in the same heap, with the same objects. No structured clone, no message passing, no SharedArrayBuff...

The rise of South Korea’s weapons business

South Korea's defense industry has grown rapidly, becoming the 9th-largest arms exporter in the world, with a projected combined revenue of $37 billion in 2026. The country's emphasis on speed, affordability, and technology transfer has made it a reliable alternative supplier to European NATO members.

Supermarket giant Tesco sues VMware for breach of contract

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Tesco sued Broadcom for breach of contract over VMware licenses, claiming it must pay excessive prices for software updates. Tesco warns that lack of support may impact its ability to supply groceries in the UK and Ireland.

Semiconductor Lifeline Keeps Fighter Jets in the Air

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When the U.S. Navy’s fleet of F/A-18F Super Hornet fighter jets is headed for the scrap heap because an essential chip is unavailable, what do they do? They turn to Ryan Hatcher, the CEO and founder of Phoenix Semiconductor. Hatcher repackages off-the-shelf semiconductors into devices that are virtually identical to the phased-out chips. “You’re not going to park a US $100 million aircraft, ...

Temporary Cloudflare accounts for AI agents

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Cloudflare updated Wrangler to allow agents to deploy code without signing up for an account. Agents can now use the --temporary flag to deploy code instantly, with a 60-minute claim window to make the account permanent.

Show HN: We post-trained a model that pen tests instead of refusing

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Argusred is a free security scanner that runs locally on your machine, scanning your code for vulnerabilities and attempting safe reproductions of findings with exploit verification. It offers a free trial with 2M tokens, and scans can be run in two modes: Security Scan and Pen Test, with the latter requiring booking and authorisation.

Why has the pointe shoe been so resistant to change?

https://dancemagazine.com/wp-content/uploads/2026/04/Laubacher_Headshot-150x150.jpg
Pointe shoes have evolved over the past few decades with small adjustments and some manufacturers incorporating 21st-century technologies. Despite innovation, traditional aesthetics and limited financial resources hinder widespread adoption of new designs.

Linux Eliminates the Strncpy API After Six Years of Work, 360 Patches

Linux 7.2 has eliminated the deprecated strncpy API due to bugs and performance issues. It has been replaced with alternative functions like strscpy() and memcpy().

Show HN: Tiny – An interpeted dynamic langauge with inline Go native functions

https://raw.githubusercontent.com/confh/Tiny/master/examples/tiny.png
Tiny is a concurrent language with a runtime system that compiles to bytecode and runs on a virtual machine. It features a multi-tiered execution model, direct OS-level parallel threading, and a built-in Language Server.

Systemd 261 released with systemd-sysinstall, IMDSD, and storagectl

Systemd 261 is released with new features including IMDS, storagectl, and systemd-sysinstall. It also adds support for Live Update Orchestrator and Kernel Handover.

Show HN: My Windows XP portfolio with working Game Boy and iPod

https://mitchivin.com/assets/gui/bgs/bliss.webp
Skip to desktop applications Skip to start menu After you log on, the system's yours to explore. Every detail has been designed with a purpose. Tap on the user icon to begin

Coding a Brick Tower [video]

Show HN: Microcrad – Micrograd Reimplemented in C

https://opengraph.githubassets.com/d12347522051a7e67c32c233e25ff61babe13309f9a48a9d5f7103883113153e/oraziorillo/microcrad
microcrad is a C re-implementation of Andrej Karpathy's micrograd, providing a tiny scalar-valued automatic differentiation engine with a small neural network implementation. It uses reference counting for memory management and supports a feed-forward network with a ReLU activation function.

AMD will reinstate memory encryption on Ryzen 9000 CPUs via BIOS update in July

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AMD is reinstating Transparent Secure Memory Encryption (TSME) on desktop Ryzen 9000 processors in July due to community feedback. TSME is a firmware-level encryption feature protecting against cold boot attacks with physical access.