Top Gun's Carrier Landing: Exposed

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To land on the aircraft carrier in Top Gun for the NES, altitude must be 100-299 and speed 238-337, with lateral aim at the carrier. The game suggests aiming for Alt. 200 / Speed 288, with focus on speed and heading due to tight ranges.

Avoid UUIDv4 Primary Keys

https://andyatkinson.com/assets/images/aapsql-book-cover-small.jpg
Avoid using UUID Version 4 as primary keys due to poor performance and excessive IO, and consider using integers or UUID Version 7 instead, which is more efficient and has better characteristics for database indexes. For new databases, use integers or UUID Version 7, and for existing databases with UUID Version 4, consider migrating to a more efficient primary key data type or using UUID ...

Adafruit: Arduino’s Rules Are ‘Incompatible With Open Source’

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Arduino's new Terms and Conditions following Qualcomm's acquisition have sparked debate over open principles, with Adafruit criticizing restrictions on reverse engineering and user data handling. Arduino defends its changes, saying they only apply to cloud applications and do not affect open source hardware.

DNA Learning Center: Mechanism of Replication 3D Animation

DNA replication occurs through a multi-enzyme complex at the replication fork, copying the double helix into new DNA strands. The first step involves helicase unraveling the DNA, followed by DNA polymerases synthesizing new strands, the lagging strand requiring Okazaki fragments.

Roomba maker goes bankrupt, Chinese owner emerges

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iRobot Corp filed for Chapter 11 bankruptcy, handing control to Shenzhen PICEA and Santrum Hong Kong. The restructuring wipes out iRobot's common stock and gives PICEA full equity stake.

Unscii

http://viznut.fi/unscii/xz-dvn.png
Unscii is a Unicode font set based on classic system fonts, supporting character cell art and terminal use. It includes variants like unscii-8 and unscii-16, with additional styles and a full variant incorporating missing Unicode glyphs.

Invader: Where to Spot the 8-Bit Street Art in London

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Invader's mosaic tile street art, featuring 8-bit video game characters, has been a part of London's streetscape since 2007. Over 166 of his works, including the latest 4, can be found across London with a map available online.

If AI replaces workers, should it also pay taxes?

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Big Tech is investing heavily in AI, but workforce reductions and automation threaten tax revenues. Experts debate whether AI should be taxed, with some suggesting a tax on robots to maintain social benefits.

Arborium: Tree-sitter code highlighting with Native and WASM targets

arborium is a syntax highlighting library for Rust that integrates with tree-sitter and supports 96 languages. It enables WASM DOM patching and zero-reload live updates with Sass/SCSS, image processing, and font subsetting.

Largest U.S. recycling project to extend landfill life for Virginia residents

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The Southeastern Public Service Authority of Virginia signed a 20-year contract with AMP to process municipal solid waste, boost recycling, and landfill diversion rates in South Hampton Roads. AMP's AI-based sorting technology will help the region recycle 20% of its waste, divert half of the waste to landfill, and create approximately 100 jobs in the local workforce.

Ask HN: What Are You Working On? (December 2025)

The user is working on multiple projects including a webapp for local history, a meta framework for building full-stack libraries, and a research project called Next Arc Research that uses AI to analyze companies and predict market trends. They are also developing their own static site generator, a USCIS form-filling tool, and a daily puzzles website, among other projects.

It seems that OpenAI is scraping [certificate transparency] logs

https://benjojo.co.uk/a?a=https%3A%2F%2Fbenjojo.co.uk%2Fu%2Fbenjojo
lol. I minted a new TLS cert and it seems that OpenAI is scraping CT logs for what I assume are things to scrape from, based on the near instant response from ...

$5 whale listening hydrophone making workshop

https://exclav.es/2025/08/03/dinacon-2025-passive-acoustic-listening/images/image9_hu9dd93f801a096aae49265870fea8cf79_425095_1800x1800_fit_q75_box.jpg
The author built a hydrophone to collect underwater sounds and created a user interface, the Dinacon Hydrophone Explorer, to analyze and share the recordings. The tool allows users to listen to and annotate the audio, helping to understand ocean ecosystems through soundscapes.

Rob Reiner has died

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Rob Reiner, a 78-year-old director and actor, died along with his 70-year-old wife Michele in their Brentwood home. Their son Nick, 32, is suspected of being the killer, who had a history of drug addiction and homelessness.

The Whole App is a Blob

https://drobinin.com/assets/lexie_meet_lexie.png
The author built a language learning app called Lexie, a blob-like interface that drills specific skills like numbers and forms, and provides a calm, non-judgmental experience. The app's design focuses on minimalism, simplicity, and a human-like interaction, without gamification or punishment.

SoundCloud has banned VPN access

User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. Alternatively, try resetting to default User-Agent or file a ticket for assistance.

AI agents are starting to eat SaaS

https://martinalderson.com/img/og/ai-agents-are-starting-to-eat-saas.png
Software agents are changing the SaaS landscape by making it easier for companies to build internal tools, reducing demand for simpler SaaS tools. This shift could lead to a decline in SaaS valuations and profitability.

John Varley has died

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John Varley a renowned science fiction writer has passed away on December 10, 2025. He created a burst of innovative ideas in the 1970s with the Eight Worlds series but struggled to remain relevant after returning from a long absence.

The Java Ring: A Wearable Computer (1998)

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The Java Ring is a wearable computer with 6 kilobytes of RAM, enough to store personal data and perform tasks like unlocking doors. It's a demo device that will evolve with more memory and applications, making computing more accessible and portable.

Show HN: I wrote a book – Debugging TypeScript Applications (in beta)

https://pragprog.com/titles/aodjs/debugging-typescript-applications/aodjs-beta-250.jpg
This book teaches debugging techniques and code structuring to make web development easier. It covers Chrome developer tools, logging, and error monitoring to improve software quality.

The Problem of Teaching Physics in Latin America (1963)

Richard Feynman gave a keynote speech at the First Inter-American Conference on Physics Education in Rio de Janeiro in 1963. He discussed the problem of teaching physics in Latin America, which is part of a wider problem of teaching physics anywhere.

We are not here to make code

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in practice “let code die” often means “let someone from the ingroup kill your code”. if someone’s new at strudel/hydra and does something weird/unexpected/“wrong” it’ll get deleted by someone more experienced and they’re sitting there thinking “aww i was just playing around and now I can’t”. it comes across as “bad code only. no not like that” i think a common misconception of #pastagang is ...

The History of Xerox

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Haloid Company, founded in 1906, developed into Xerox after Chester Carlson invented electrophotography in 1938, which led to the creation of the first xerographic copier, the Xerox Model 914. Xerox continued to innovate, establishing the Palo Alto Research Center (PARC) in 1970, where researchers developed the Alto computer, Ethernet, and other groundbreaking technologies that shaped the ...

How well do you know C++ auto type deduction?

The auto keyword in C++ deduces types based on the expression it is used with, considering factors like type, decay, and reference. It can deduce types such as double, std::initializer_list, int*, int (&)[5], int(*) (int), int&, int&&, and more, but fails to compile in certain cases.

Common Rust Lifetime Misconceptions

https://opengraph.githubassets.com/3dc421d940f7a54e1352a2f2d118f624c54927b2ec6c60f51e292854f6e4e82f/pretzelhammer/rust-blog
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A trip through the Graphics Pipeline (2011)

The author is writing a series of blog posts about the D3D/OpenGL graphics pipelines, targeting experienced graphics programmers who want to know the inner workings of GPUs. The series will provide a detailed, low-level explanation of the graphics pipeline and GPU architecture.

Hashcards: A plain-text spaced repetition system

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Hashcards is a local-first spaced repetition app that uses Markdown files in a Git repo for flashcards, allowing for easy editing and version control. It aims to provide a frictionless experience for creating and editing flashcards, using an advanced scheduler and a simple UI.

CapROS: Capability-Based Reliable Operating System

CapROS is a small, secure, real-time OS providing orthogonal persistence, led by Charles Landau and hosted on GitHub. It's a continuation of the EROS project, with roots in older capability ideas and newer performance management.

JSDoc is TypeScript

https://bear-images.sfo2.cdn.digitaloceanspaces.com/herman-1683556668-0.png
Rich Harris explained that Svelte's move to JSDoc comments was not anti-TypeScript, but rather a stronger commitment to TypeScript. JSDoc is essentially TypeScript without the build step, offering the same benefits with a sometimes clunkier syntax.

Rio de Janeiro's talipot palm trees bloom for the first and only time

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Talipot palms in Rio de Janeiro's Flamengo Park are flowering for the first time in decades after being introduced in the 1960s. The rare phenomenon has sparked curiosity and interest in preserving the environment.