Paper Apps

https://gladdendesign.com/cdn/shop/files/3D-pill_110x.png?v=1715700675
Delightfully simple and simply delightful, Paper Apps™ are a fun, smart alternative to screen time. Check out our solo games like DUNGEON, GALAXY and GOLF, as well as gamified tools like TO•DO and NUTRI•TRACK. For the full experience, we recommend grabbing a couple of Pencil Dice as well!

Hotline for modern Apple systems

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A modern Swift and SwiftUI client for Hotline is being recreated to connect to and participate on Hotline servers. The project aims to resurrect the classic Hotline brand and make it available on modern Apple systems.

Programming SDF animations of Rick and Morty

https://danielchasehooper.com/images/rick-banner.jpg
The user created an animation of Rick from Rick and Morty using 240 lines of code in a live coding editor, showcasing techniques for making animations and graphical effects. The animation was created using OpenGL Shading Language (GLSL) and signed distance fields, with various techniques used to achieve a realistic look.

Understanding Reasoning LLMs

This article describes the four main approaches to building reasoning models, or how we can enhance LLMs with reasoning capabilities. I hope this provides valuable insights and helps you navigate the rapidly evolving literature and hype surrounding this topic. In 2024, the LLM field saw increasing specialization. Beyond pre-training and fine-tuning, we witnessed the rise of specialized ...

Simulating water over terrain

If you don't want a long an boring introduction, skip directly to the virtual pipes method description.I will get a little bit sad if you do this, though x) I'm somewhat obsessed with terrain generation, grid-based games, simulations, and stuff like that. And this stuff often involves water, — or at least it seems natural for water to be there. Say, you're generating a map for a ...

Linux Running in a PDF

OpenWrt 24.10.0 – First Stable Release

OpenWrt 24.10 is a stable release with over 5400 commits, supporting over 1970 devices and activating POSIX Access Control Lists. It uses OPKG only, with APK packages not supported, and has several known issues including 5GHz WiFi non-functionality on certain devices.

Show HN: SQLite disk page explorer

https://raw.githubusercontent.com/QuadrupleA/sqlite-page-explorer/github_media/github_media/top_view.png
A GUI app called SQLite Page Explorer lets you view SQLite databases page by page. It's built with redbean and Lua, and available as a single executable that runs on multiple platforms.

I believe 6502 instruction set is a good first assembly language

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The author recommends learning 6502 assembly programming as a starting point due to its simplicity and limited instruction set. This allows for a clear understanding of basic assembly concepts before moving to more complex CPUs.

Microplastics in the human brain

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Researchers found microplastics in human brains, with levels increasing by 50% between 2016 and 2024. The presence of microplastics in the brain may be linked to dementia, but a causal relationship has not been established.

Aluminum batteries outlive lithium-ion with a pinch of salt

https://spectrum.ieee.org/media-library/ends-of-batteries-neatly-stacked-together-with-one-battery-sticking-out.jpg?id=56186170&width=1200&height=900
Scientists in Beijing have developed a new aluminum-ion battery that's safer, more sustainable, and longer lasting than lithium-ion batteries. The battery uses a solid-state electrolyte and can retain 99% of its original capacity after 10,000 charge/discharge cycles.

America's Dangerous Movement Toward Oligarchy, Authoritarianism and Kleptocracy

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The Trump administration is moving the US towards an oligarchic and authoritarian society where billionaires hold power, undermining the Constitution and rule of law. This is evident in Trump's actions, including suspending federal grants, firing inspectors general, and intimidating the media, which is a threat to democracy and freedom of speech.

U.S. Government Disclosed 39 Zero-Day Vulnerabilities in 2023, First-Ever Report

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The US government disclosed 39 zero-day software vulnerabilities in 2023, but the number it kept secret is unknown. The government's Vulnerabilities Equities Process (VEP) may favor exploitation over disclosure under the Trump administration.

Why LLMs still have problems with OCR

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The user's team initially thought that using large language models (LLMs) could solve the data extraction problem, but they found that LLMs are not suitable for complex OCR tasks due to their probabilistic nature and tendency to make subtle substitutions. The team has now shifted to building a custom solution integrating traditional computer vision algorithms with vision transformers to ...

GitHub Copilot: The Agent Awakens

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GitHub Copilot is upgraded with agent mode and Copilot Edits, allowing developers to work more efficiently. The new features enable AI-driven tasks and inline code changes, freeing developers to focus on higher-value work.

Show HN: An API that takes a URL and returns a file with browser screenshots

https://opengraph.githubassets.com/744211d8178c795b8cb108932bf65ac51ed3ef9f4e7786d2b94db871f068fb66/US-Artificial-Intelligence/scraper
A web scraper API, created by Gordon Kamer, uses Playwright to scrape websites and returns data and screenshots. It can be accessed at http://localhost:5006 and requires an API key set in a .env file.

Frank Lloyd Wright's mile high skyscraper proposal (2021)

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Frank Lloyd Wright was an anti-density architect who designed a mile-high skyscraper called The Illinois, which contradicts his views on cities. Wright's design may have been a way to acknowledge humanity's need for verticality, even if it conflicted with his suburban ideals.

What does it mean that MP3 is free?

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MP3 format is now free due to expired licensing and patents. Its significance has faded as technology has changed, with streaming and cloud-based solutions making file size less critical.

Scala 3 Migration: Report from the field

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The user successfully migrated their 4-year-old multiplayer mobile game server from Scala 2.13 to Scala 3 after a year-long struggle, overcoming issues with dropped features, merge conflicts, and IDE performance. The migration required workarounds for macro annotations, type projections, and other features, but ultimately resulted in a cleaner and more maintainable codebase with the help of ...

Subway crime plummets as ridership jumps significantly in congestion pricing era

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NYC subway crime dropped 36% in the first month of 2025 with 147 reported crimes, despite increased ridership. Crime and traffic fatalities are down citywide, with officials crediting increased NYPD presence and congestion pricing.

Show HN: An homage to Tom Dowdy's 1991 screensaver, "Kaos"

Pre-Trained Large Language Models Use Fourier Features for Addition (2024)

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Pre-trained LLMs use Fourier features to compute basic arithmetic, with MLP layers approximating magnitude and attention layers performing modular addition. Pre-training is crucial for this mechanism, as models trained from scratch only exploit low-frequency features.

US Cloud soon illegal in EU? US punches first hole in EU-US Data Deal

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US President removed Democratic members from the Privacy and Civil Liberties Oversight Board, a key US oversight authority, potentially undermining the independence of executive redress bodies. This move threatens the EU-US Data Transfer System, which relies on the PCLOB to ensure adequate protection of personal data.

The inevitability of the borrow checker

Inko's type system is being improved with the addition of stack allocated/inline types, which can contain both heap allocated types and other inline types, but have limitations such as not allowing field assignments and being subject to copy semantics when borrowing. The developer is considering various approaches to improve the type system, including escape analysis, unique types, and ...

Cloudflare R2 Global Outage

Cloudflare offers system status updates via email and text for incidents like R2 Availability Issues and Billing Subscription Updates. Users can track performance and security issues on Cloudflare's intelligent global network through the Cloudflare Status API.

Implementing a Game Boy emulator in Ruby

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The user created a Game Boy emulator in Ruby called Ruby Boy, released it as a gem, and optimized its performance using various techniques such as YJIT, reducing GC occurrences, and caching frame data. The emulator was also ported to run in the browser using WebAssembly, and the user shared their experience and knowledge gained from implementing the emulator, including tips for optimization ...

The superconductivity of layered graphene

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Physicists Abhishek Banerjee and Kin Chung Fong studied graphene to understand why it superconducts at low temperatures. Their experiments suggest graphene's quantum geometry may be key to its superconducting properties.

Mystery brain disease patients in New Brunswick say they welcome investigation

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The New Brunswick government has reopened an investigation into a mystery brain disease that seems to mostly affect people living in the Acadian Peninsula and Moncton areas.

Origami by Meenakshi

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A colorful Game of Life

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AI by Hand Exercises in Excel

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Contribute to ImagineAILab/ai-by-hand-excel development by creating an account on GitHub.

Deep Reinforcement Learning: Pong from Pixels (2016)

This is a long overdue blog post on Reinforcement Learning (RL). RL is hot! You may have noticed that computers can now automatically learn to play ATARI games (from raw game pixels!), they are beating world champions at Go, simulated quadrupeds are learning to run and leap, and robots are learning how to perform complex manipulation tasks that defy explicit programming. It turns out that all ...

R1 Computer Use

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R1-Computer-Use is an experimental project using Reinforcement Learning to train an agent to interact with a computer environment. It replaces hard-coded verifiers with a neural reward model that reasons about correctness.

Markdown's Big Brother: Say Hello to AsciiDoc

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AsciiDoc is a structured alternative to Markdown for complex documentation. It handles tables, footnotes, and custom formatting without relying on extensions, making it easier to maintain and export.

TKey – Security for the New World

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TKey is an open source USB security token with unique key material for each application, ensuring secure authentication. It supports various use cases like SSH login, Ed25519 signing, and FIDO2.

Sand trafficking in Latin America

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Luis Antonio da Silva Braga, alias "Zinho," led a powerful militia in Rio de Janeiro that made a fortune from illegal sand extraction, which is a profitable and low-risk activity in Latin America. The crime causes environmental damage and is difficult to police, with some estimates suggesting that up to half of the sand used in Colombia may be mined illegally.

From hours to 360ms: over-engineering a puzzle solution

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The user solved a Sudoku puzzle with a unique constraint where each row, column, and 3x3 box must contain the same set of 9 unique digits. They optimized their solution using Z3 and SIMD to find the 9-digit number formed by the middle row in the completed grid in 360ms.

Five coding hats

The author used to believe in a single "right" way of coding, but now thinks different approaches are needed for different situations. They propose using "coding hats" like the captain's hat for safety, the scrappy hat for speed, the MacGyver hat for results, the chef's hat for presentation, and the teacher's hat for communication.

Microsoft Go 1.24 FIPS changes

Microsoft Go 1.24 supports FIPS 140-3 compliance through system libraries on Linux and CNG on Windows, but uses the new Go FIPS module is not aligned with Microsoft's internal cryptography strategy.

Ask HN: Is Godaddy Running a Scam?

The user claims GoDaddy is running a scam by acting as both broker and seller of domains, rejecting bids to get higher prices. They suggest using alternative registrars like Porkbun and transferring domains out of GoDaddy's system.

It is time to standardize principles and practices for software memory safety

For many decades, endemic memory-safety vulnerabilities in software trusted computing bases (TCBs) have enabled the spread of malware and devastating targeted attacks on critical infrastructure, national-security targets, companies, and individuals around the world. During the last two years, the information-technology industry has seen increasing calls for the adoption of memory-safety ...

Disney+ loses 700k subscribers following price increase

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Disney+ lost 700,000 subscribers due to price increases and password sharing restrictions, now having 124.6 million subscribers. Disney's overall revenue grew 4.8 percent in Q1 2025, thanks to Moana 2's success.

Science of Microwave Ovens (2016)

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Microwaves work by emitting electromagnetic waves that vibrate food molecules, causing heat, but their uneven distribution creates hot and cold spots. To cook evenly, food must be thinner than the penetration depth, and its electrical properties and temperature affect how it absorbs microwaves.

In the trenches: on being an Engineering Manager

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As an engineering manager, your role is to enable your team to thrive by understanding their unique personalities and aligning their goals with the organization's mission. You should also take calculated risks, select the right technology, and cultivate a culture of respect, independence, and innovation to achieve incredible results.

AI-generated Answers experiment on Stack Exchange sites

Answer Assistant is an experiment in which AI-generated answers are verified, edited, and curated by the community before becoming publicly visible. We want to test if this feature could help improve the answer experience and encourage knowledge sharing by helping users get unstuck or get a jump-start on content curation while maintaining quality. As we kick off the experiment, we want the ...

Show HN: Heap Explorer

https://opengraph.githubassets.com/a8e161f8ac3f086b3097eca8547bcf8b04d0c122781671c5f27c3fa5964a2d78/heap-exploitation/heap-explorer
The library libheap_explorer.so allows users to interact with a program's heap through a REPL, performing actions like freeing and mallocing chunks. It's designed for use with Arch's glibc package version 2.41+r2+g0a7c7a3e283a-1.

Apple Robot Research

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Researchers designed a lamp-like robot to explore the interplay between functional and expressive objectives in movement design, enhancing user engagement and perceived robot qualities. A framework called EMOTION was proposed for generating expressive motion sequences in humanoid robots.

I wrote a screenplay for a programming language introduction

I’ve posted a short introduction to the Origami language in the form of a motion comic you can play in your browser: This comic builds on last month’s experiment to automate the generation of the audio and video for a screencast in which I was searching for a better way to create video content for the Web Origami project and the Origami language. A little bad: Writing a keyboard macro to ...

Periodic Cooking of Eggs

Versioning versus Coordination

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We're building a database system with multiple shards, replicas, and concurrent queries, and we're using multi-versioning to avoid coordination and improve scalability, throughput, and performance consistency. The system uses physical clocks to pick versions and ties versions to physical time to avoid coordination, allowing it to maintain strong consistency and prevent dirty reads and read skew.

Transfinite NIM (the game, not the programming language)

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You proposed a game of transfinite Nim where players remove blocks from piles of ordinal heights. The winning strategy is to balance the position by making moves that leave an even number of each power of two in the binary representation of the piles.

Cameras of 1930s Era

In the 1930s, camera design underwent significant changes despite the Great Depression, with a shift towards chrome plating and die cast metal bodies. The introduction of 35mm cameras and the Leica's adoption of the 135 cartridge set a style trend that influenced camera design for decades to come.

How to GIF (2025 Edition)

https://fullystacked.net/animated/dancingbaby.webp
AVIF and AV1 are modern image and video formats offering better compression and features than GIF, PNG, and WebP, but AVIF has performance issues and AV1 requires extra effort for fallbacks. AV1 is the best codec for video on the web, delivering equivalent quality at 30% lower bitrates, but its use is limited by browser support and export limitations.

Douglas McIlroy responds to Unix spell article with new implementation details

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Douglas subscribed to the spell article and responded to it after reading, fixing a mistake he pointed out. He had a similar challenge in the 1970s implementing a Unix spell checker with limited RAM.

OpenAI Sales Agent Demo

https://pbs.twimg.com/media/GjDILR2bIAAyO5C?format=jpg&name=small
Don’t miss what’s happening People on X are the first to know.

Google scraps diversity 'aspirations,' citing role as federal contractor

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Google is scrapping its diversity goals following similar announcements at other big companies. The move comes due to new federal requirements and a shift in the company's approach to hiring and promotions.

FDIC has released 175 internal documents on "Operation Chokepoint 2.0"

Pages 2 through 280 (64 records) consist of FDIC correspondence with the 24 banks that received “pause letters” as detailed in the FDIC OIG’s report entitled “FDIC Strategies Related to Crypto-Asset Risks” (FDIC OIG EVAL-24-01 Oct. 2023). Pages 2 through 280 (64 records) consist of FDIC correspondence with the 24 banks that received “pause letters” as detailed in the FDIC OIG’s report ...

Perpetual stew

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A perpetual stew is a continuously cooked pot of food that can last for decades with replenished ingredients. It's a common element in medieval cuisine and remains prevalent in South and East Asian countries.

Explorable Flexagons: Learn to create and flex flexagons (2020)

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The user discusses hexaflexagons, a type of folded paper with multiple sides, and various techniques for exploring and creating them. They also describe tools for simulating and creating new flexagons, including a flexagon simulator and explorer.

Who Does That Server Serve? (2010)

The Sad Math of Ads

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Advertising causes waste, reduces wellbeing, and divides attention, leading to unhappiness and materialism. To reclaim control, limit exposure to ads, use adblock, and support public media, while advocating for collective solutions like taxing advertising and limiting billboards.

Gumroad CEO is no longer hiring junior/mid-level software engineers due to AI

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Company no longer hiring junior/mid-level software engineers due to AI advancements. AI will write code for lower-tier projects by end of 2026, replacing human developers.

Tesla's sales plummet across Europe

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The FT offers a digital subscription for R$1775 in the first year, then R$375 monthly, with a 20% discount for paying upfront. The offer includes complete digital access to quality journalism, but excludes access to ft.com and the FT App.

HTML Kaleidoscope

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codepen.io needs to review the security of your connection before proceeding.

CERN's open source heritage: Building blocks to share

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CERN is partnering with Software Heritage to measure its impact on the global open-source community by analyzing code produced by its researchers. The project aims to identify CERN-related projects, track their evolution, and quantify their influence on scientific research and technology.

Cell-Based Architecture Explained, with Zombies

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Cell-based Architecture is like isolating neighborhoods in a city to prevent Zombies from spreading, where each neighborhood is a self-sufficient cell with its own services and supplies. This design improves system resilience by containing failures within each cell, reducing the impact of a single failure on the entire system.

Researchers created an open rival to OpenAI's o1 'reasoning' model for under $50

https://techcrunch.com/wp-content/uploads/2023/06/GettyImages-1168836247-1.jpg?w=1024
Researchers created AI model s1 by fine-tuning an off-the-shelf model with a small dataset, achieving strong performance on math and coding tests. This raises questions about AI model commoditization and the feasibility of replicating expensive models with relatively low costs.

Antimony Atoms Function as Error-Resistant Qubits

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Researchers in Australia have developed a method to encode quantum information in a way that makes errors less impactful, allowing for error detection and correction. They embedded an antimony atom in a silicon device to create a qubit with eight possible nuclear spin states, giving it a "seven lives" tolerance for errors before its value changes.

A better (than Optional) maybe for Java

https://opengraph.githubassets.com/5c61ed469ff94bda9d1e7cbab65acd3265266f6437be4b485322b450bc291c4c/andrewcmyers/maybe
An inplementation of the Option pattern for Java, improving on the builtin Optional class in various ways. The exception that is raised when an empty Maybe is used is a checked exception so you don't forget to handle it. It is also a fast exception so it doesn't create much performance overhead.

Show HN: I built a tool to create polls on Bluesky

https://blueskypolls.xyz/og-image.png
🔑 For security reasons, don't use the password of your Bluesky account, instead generate a Third Party App Password that you'll use only for this application. You can manage your third party app passwords by going to Settings > Privacy & Security > App Passwords

RustDesk – open-source alternative to TeamViewer

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RustDesk is a remote desktop software written in Rust that works out of the box with no configuration required and provides full control of user data with no security concerns. It can be built using Docker and has a GUI built with Flutter or Sciter, with a tutorial available for Sciter.

Thailand cuts power and internet to areas of Myanmar to disrupt scam gangs

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Thailand has cut power, internet, and gas supplies to five Myanmar towns near the border to combat brutal scam compounds. The move aims to disrupt national security threats and protect tourism, following reports of human trafficking and scam operations.

Some Terminal Frustrations

1600 people participated in a terminal survey, sharing frustrations with terminal usage, including difficulties with switching systems, keyboard shortcuts, and discovering useful tools. Common complaints included a steep learning curve, legacy cruft, and issues with window management, tmux, and terminal configuration.

"Torrenting from a corporate laptop doesn't feel right": Meta emails unsealed

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Meta allegedly illegally trained its AI models on pirated books from LibGen and other shadow libraries, downloading at least 162.3 terabytes of data. Authors claim Meta staff knew this was illegal and tried to conceal it, contradicting prior testimony.

LLMs Were Backdoored Years Ago

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Large Language Model developers can't control their own models due to "jailbreaking" by individuals like Pliny the Liberator. Invisible biases and watermarking in academic data make it difficult for LLMs to truly learn without embedded backdoors.

Grafana: Why observability needs FinOps, and vice versa

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Ben Schaechter is co-founder and CEO of Vantage, a cloud cost management platform that provides actionable insights for engineers. Vantage integrates with Grafana Cloud to help teams manage observability costs and bring FinOps principles to their practices.

iPhone apps found on App Store with malware that reads your screenshots for data

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Researchers at Kaspersky discovered malware in App Store apps that uses OCR to scan user photos for crypto wallet recovery phrases. The malware, dubbed 'SparkCat,' targets users in Asia and Europe through various apps, including food delivery services and AI chat apps.

US immigration is gaming Google to create a mirage of mass deportations

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An immigration lawyer discovered that Immigration and Customs Enforcement (Ice) press releases from years ago were appearing at the top of Google search results with a recent timestamp. This was found to be a deliberate attempt to mislead the public and create fear through search engine optimization.

Andreessen Horowitz Defends Hiring of Daniel Penny to Its Investors

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Andreessen Horowitz hired Daniel Penny, a Marine veteran acquitted of criminally negligent homicide, to build relationships with military and law enforcement. The firm believes Penny's experience will be helpful in their public safety and defense investments.

Pirates and Privateers – Superstitions and the Sea (2007)

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Sailors believed various sea creatures and omens could bring good or bad luck, influencing their voyages. Superstitions, such as killing an albatross or seeing a mermaid, were thought to have dire consequences.

Trump Sanctions International Criminal Court

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The International Criminal Court vows to continue its work despite US President Donald Trump's order to impose sanctions on its staff. The ICC condemns the order as an attempt to harm its independent and impartial work.

Show HN: Make your YC application stand out (Spring 2025 edition)

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Check again! Don't let stupid mistakes kill your YC dreams.

OpenEuroLLM, an 'open, compliant, diverse' series of foundation models

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OpenEuroLLM is a pan-European AI collaborative launched on February 3, 2025, to develop multilingual LLMs and promote European AI capabilities. It received EUR 37.4m from the European Commission for its pioneering AI project.

Trails of Wind (2019)

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Airports are designed according to landscape and natural conditions, with runways often aligned north-south to accommodate prevailing winds. This reflects the influence of nature on human path and architecture, making the invisible forces of wind patterns visible.

Hector Martin – [Patch] Maintainers: Remove Myself

Hector Martin is stepping down from kernel development and community management. He will continue to support Apple/ARM platform development downstream.

Public services are for users, not providers

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Donald Trump is waging war on the federal civil service, making careers undesirable and undermining the government's ability to provide public services. Democrats must be clear-eyed and prioritize users' interests over workforce or ideological projects to govern effectively.