Erdos 281 solved with ChatGPT 5.2 Pro

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Lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­karab

https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Aristofanes.jpg/250px-Aristofanes.jpg
Lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­karabo­melito­katakechy­meno­kichl­epi­kossypho­phatto­perister­alektryon­opto­kephallio­kigklo­peleio­lagoio­siraio­baphe­tragano­pterygon is a 391 BC fictional dish from Aristophanes' comedy Assemblywomen. It's a fricassée with 16 sweet and sour ingredients including fish, fowl, and sauces.

No knives, only cook knives

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The author, a co-founder of Bernal Cutlery, shares their experience buying and selling vintage knives at flea markets, initially finding good deals but later seeing a surge in popularity of lower-quality knives like Forgecraft. They initially dismissed Forgecraft knives but later reevaluated their value after noticing a trend.

How scientists are using Claude to accelerate research and discovery

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Scientists are using AI to accelerate progress in various research areas, including life sciences, by automating tasks and making discoveries. AI-powered systems like Claude and Biomni are helping researchers interpret data, identify patterns, and make new discoveries.

ASCII characters are not pixels: a deep dive into ASCII rendering

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The user built an image-to-ASCII renderer that utilizes shape to achieve sharp, high-quality ASCII rendering by picking characters based on their shape and applying contrast enhancement effects. The renderer uses a 6D shape vector to capture the shape of ASCII characters and a directional contrast enhancement technique to eliminate staircasing effects and improve readability.

Kip: A programming language based on grammatical cases of Turkish

https://opengraph.githubassets.com/7effbc0dcd3000022c0aecb85376fdc4254876af733225ccd909781522db1378/kip-dili/kip
Kip is an experimental programming language that uses Turkish grammatical cases in its type system. It integrates natural language morphology into programming language design for research and educational purposes.

Computer Systems Security 6.566 / Spring 2024

The course covers lectures on security topics such as threat models, OS and VM isolation, data center infrastructure, buffer overflow defenses, supply chain security, user authentication, messaging security, anonymous communication, and cybersecurity policy. The course includes labs and a final exam.

Profession by Isaac Asimov

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Isaac Asimov’s Profession is an allegorical description of the manner in which education currently functions in our primitive western societies — abelard [1] Profession, copyright ©1957 by Street and Smith Publications, Inc., from ISAAC ASIMOV: THE COMPLETE STORIES OF VOL. 1 by Isaac Asimov. Used by permission of Doubleday, a division of Random House, Inc. For on-line information about other ...

The recurring dream of replacing developers

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Business leaders and developers are stuck in a 50-year cycle where new tools promise to make software development simpler, but ultimately, specialized knowledge and intense focus remain essential. The recurring pattern reveals that software development is constrained by intellectual complexity, not mechanical tasks.

We put Claude Code in Rollercoaster Tycoon

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Ramp built Claude Code, an AI agent, to manage a park in RollerCoaster Tycoon, demonstrating its strengths and weaknesses in automating tasks. The project highlights the importance of environment legibility and feedback loops in agent design, showcasing the potential and limitations of coding agents in real-world applications.

Xous Operating System

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Xous is a microkernel OS for medium embedded systems with user-space implementation and message passing. It's funded by the NGI0 PET Fund, a European Commission initiative.

If you put Apple icons in reverse it looks like someone getting good at design

Users discuss Apple's icon design, criticizing the new style as confusing and lacking in contrast, and preferring the original inkwell icon. They argue that icons should be functional, consistent, and predictable, rather than trying to be "art" or illustrations.

The life of a playboy publisher who shaped 20th-century literature

Raising money fucked me up

The author quit their job to start their own business with a co-founder, Pedrique, after realizing they had enough signal to determine he was someone they wanted to start a business with. They initially wanted to work on their idea without raising VC funding, but due to Pedrique's financial constraints, they decided to raise money from angels and an early-stage fund.

Dark Mode vs. Light Mode: Which Is Better?

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10 Recently, spurred by the introduction of dark mode in IOS 13, a reporter asked me to comment on the usability of dark mode and its popularity as a design trend. It’s a question that I also got several times from attendees to our UX Conference. I must say upfront that NN/g has not done its own research on dark mode. However, these questions prompted me to do a review of the academic ...

Why Object of Arrays beat interleaved arrays: a JavaScript performance issue

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The user compared Array of Structures (AoS) and Structure of Arrays (SoA) patterns in JavaScript for summing 3D points and found a 4x performance difference, attributing it to contiguous memory allocation and cache behavior rather than TypedArrays. The optimal memory layout depends on access patterns, with SoA shining when processing one component at a time and interleaved layout working ...

The Olivetti Company

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Camillo Olivetti, a Jewish-Italian engineer, founded Olivetti in 1908, producing high-quality typewriters and office equipment, and his son Adriano expanded the company into computers, developing the ELEA 9003, a mainframe computer, in the 1950s. Adriano's vision for a more democratic and participatory society led him to become mayor of Ivrea and a member of the Italian parliament, while his ...

Show HN: ChunkHound, a local-first tool for understanding large codebases

https://opengraph.githubassets.com/9674a04808e5c437a8707fa8ad6b01c28d9d453cd498aa49ab7eaa2512bcb321/chunkhound/chunkhound
ChunkHound extracts codebase knowledge and integrates via MCP, supporting 30 languages with structured parsing. It can be installed with uv tool and used with LLMs like Claude or Codex without API keys.

The relentless rule of my fitness tracker

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At a time when we’re all blaming digital devices for ruining our attention spans, our children’s mental health and even the future of democracy itself, let’s give credit where it’s due: my cheap fitness watch has changed my life. Three and a half years ago I started running at my local Parkrun, taking more than half an hour to limp around the 5k course for the first few weeks. After a few ...

Podcasting Could Use a Good Asteroid

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The industry is worth 40 billion dollars, 158 million Americans tune in monthly, and the medium has finally achieved the kind of cultural ubiquity previously reserved for terrestrial radio or the evening news. But if you actually spend time (literally, any time at all) scrolling through the "New & Noteworthy" or the top-tier recommendations, you'll find that podcasting feels ...

Light Mode InFFFFFFlation

The author analyzed MacOS screenshots from 2009 to 2025 and found that the brightness of the UI has increased steadily over the years, with light mode becoming significantly brighter. The author prefers dark mode to avoid eye strain and suggests a medium grey UI as a compromise.

How London cracked mobile phone coverage on the Underground

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Boldyn Networks has built a "neutral network" in London's Underground, providing phone coverage and emergency services network, with 800km of cabling and 9 "hotels" of computer equipment. The network is expected to be completed by the end of this year, with most of the London Underground covered, and will allow mobile networks to share equipment and reduce costs.

Below the Surface: Archeological Finds from the Amsterdam Noord/Zuid Metro Line

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IRISC: An ARMv7 assembly interpreter and computer architecture simulator

iRISC is an interactive web app introducing RISC computer architecture and ARMv7 assembly language. It provides a simple tutorial on assembly basics and computer architecture with optional demo files for exploration.

An Elizabethan mansion's secrets for staying warm

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Hardwick Hall's design, built during the Little Ice Age, uses clever techniques to keep warm, such as orientation and thermal mass, which can be applied to modern homes. These Elizabethan building secrets can help reduce our reliance on fossil fuels and create more efficient heating and cooling systems.

U.S. Court Order Against Anna's Archive Spells More Trouble for the Site

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Anna's Archive is facing domain troubles and a federal court injunction after scraping WorldCat data without permission. The permanent injunction prohibits the site's operator and third parties from scraping or distributing the data.

The thing that brought me joy

User has spent 20 years in the terminal, but feels their knowledge narrowed and wants to learn fundamentals. They're hesitant to rely on AI coding agents despite their improvement, fearing loss of personal satisfaction and skill.

M8SBC-486 (Homebrew 486 computer)

https://maniek86.xyz/cmsesus/uploads/image/projects/m8sbc486/img_20251019_031401_c.jpg
The M8SBC-486 is a 486 homebrew computer motherboard made from scratch with compatibility to run Linux, DOOM, and other older x86 PC software. It has a PGA-168 socket for 5V 486 CPUs and a 24 MHz FSB, making it compatible with DX2 CPUs.

Show HN: Speed Miners – A tiny RTS resource mini-game

Counterfactual evaluation for recommendation systems

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The author discusses the limitations of offline evaluation in recommendation systems, treating recommendations as observational problems when they are actually interventional problems.