Show HN: Audiomass – a free, open-source multitrack audio editor for the web

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AudioMass is a free, open source web-based audio editor running in the browser with no plugins required. It supports various audio operations and effects, with key shortcuts using Shift + key combos.

DeepSeek reasonix, DeepSeek native coding agent with high caching and low cost

Reasonix is a terminal-based AI coding agent for DeepSeek, engineered for prefix-cache stability. It's a free, MIT-licensed project with a paid DeepSeek API key.

A fundamental principle of aeronautical engineering has been overturned

https://media.wired.com/photos/6a0f1d82527cc03d8afd9e26/master/w_2560%2Cc_limit/1341532824
Researchers at Tohoku University discovered a new method to reduce aerodynamic drag by up to 43.6 percent using distributed micro-roughness. This technology, called DMR, delays the transition from laminar to turbulent flow, reducing frictional drag.

Defeating Git Rigour Fatigue with Jujutsu

The user describes a jujutsu version control system workflow to simplify feature development by compartmentalizing changes and reorganizing them at the end. This technique allows for easier iteration and debugging, but may have downsides like potential compilation issues.

Memory has grown to nearly two-thirds of AI chip component costs

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Memory's share of AI chip component spending rose from 52% to 63% from Q1 2024 to Q4 2025. Total AI chip component spending increased from $22 billion in 2024 to $52 billion in 2025.

I spent 50 hours drawing a line graph

https://www.dougmacdowell.com/images/hand-drawn-data-art-studio-asylum.webp
I used to live on a quiet hill with a great view of the city, but now I live downtown and work with databases. I spent 50 hours drawing a line graph by hand, learning to control line weight and style, and now I appreciate the process and art of hand-drawn data visualization.

Using HTTP/2 Cleartext for a server in Go 1.24

https://www.clarityboss.com/assets/LI-In-Bug-DeE4vVvw.png
Google Cloud Run has a known issue with client disconnects using HTTP/1.1, so we're switching to HTTP/2 cleartext (h2c) for better support. With Go 1.24, setting up h2c is simpler and can be configured directly on the http.Server.

Selling SaaS in Germany

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Selling SaaS in Germany requires a focus on risk and compliance before opportunity. German customers value detailed material and technical explanations.

Constraint Decay: The Fragility of LLM Agents in Back End Code Generation

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Large Language Model agents struggle with structural constraints in code generation, exhibiting a decline in performance as requirements accumulate. Agents perform better in minimal frameworks but poorly in convention-heavy environments, with data-layer defects being the leading root cause of errors.

Microsoft open-sources “the earliest DOS source code discovered to date”

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Microsoft released source code for the 86-DOS 1.00 kernel and PC-DOS 1.00 kernel, along with utilities like CHKDSK. The code was transcribed from paper printouts by the DOS Disassembly Group, a team of historians and preservationists.

Mastering Dyalog APL

The "Mastering Dyalog APL" book is being updated from Jupyter Notebooks for a more interactive learning experience. The online version is a work in progress with missing chapters and sections, but feedback and corrections can be given on GitHub or by email.

Noroboto: Lying Fonts and Mitigation in Rust

https://tritium.legal/static/images/noroboto/libreoffice-pua-codepoints.png
Researchers at LegalQuants created a font-based attack called Noroboto that can deceive AI models in legal documents. The attack works by replacing valid Unicode code points with private use areas, making the text unreadable to humans but still legible to AI models.

Scientists solve 200-year-old puzzle of how tobacco plants make nicotine

https://www.york.ac.uk/media/news-and-events/pressreleases/2026/plant-science-1000.jpg
Scientists have solved a 200-year mystery of how tobacco plants make nicotine, a discovery that could lead to safer production of medicines and vaccines. The breakthrough reveals the missing genes and enzymes needed to create nicotine, paving the way for better biotechnology tools.

Build Adafruit projects right from Firefox

https://www.firefox.com/media/cms/images/Devices.width-200.webp
Firefox gives Adafruit users a direct path from idea to connected hardware project — no extra tools or complex setup required. Use Web Serial to communicate with compatible devices from Firefox, right from supported web tools. Firefox is open source and made by Mozilla, the people-first organization behind an independent web.

Greg Brockman interview [video]

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Greg Brockman, OpenAI's co-founder and President, shares the company's history and future in a rare conversation. He discusses AI, its impact, and the future of work in a podcast about mastering knowledge and insights.

Getting an old Computer online with Android Ethernet tethering

https://82mhz.net/images/oldComputerOnline/android-tethering.jpg
User enjoys nostalgic 90s and early 2000s computers, particularly Windows 9x/XP era. They found a simple way to connect old computers to modern wifi using an Android phone and Ethernet cable.

1k-year-old dingo bones show that it was injured, cared for, and ritually buried

https://www.popsci.com/wp-content/uploads/2026/05/dingo-skeleton.png?quality=85&w=2000
An ancient dingo remains were found buried with care by Australia's First Nations, the Barkindji, along the Baaka River. The discovery shows the deep relationship between the Barkindji and the dingo, known as garli, was valued and loved.
https://techcrunch.com/wp-content/uploads/2026/05/spam-7f0198d1a59491c8.jpg
Scammers are abusing Microsoft's system to send fake emails from [email protected], potentially tricking people into thinking they're genuine. Microsoft is investigating and taking action to strengthen its detection and blocking mechanisms.

LAN-LOK: The Antarctic DOS Sabotage Game Lost for 34 Years

https://alphapixeldev.com/wp-content/uploads/2025/12/lanlok-title.png
AlphaPixel rediscovered a 1991 DOS game, LAN-LOK, created at Palmer Station, Antarctica, which captures the frustrations and humor of early LAN administration. The game's mechanics reflect real operational challenges of the era, and its rediscovery brings a preserved moment in Antarctic computing history back into view.

Migrating from Go to Rust

Go developers considering Rust are often motivated by correctness guarantees, runtime tradeoffs, and developer ergonomics, rather than performance. Rust's type system and borrow checker provide stronger guarantees and more explicit control over runtime behavior, but can be more verbose and require a different mindset.

Childhood Computing

The author's childhood computing experience began in the early 1990s at a school with a computer lab, where they learned to program in LOGO and played classic games like Moon Bugs and Space Invaders. The limited access to computers sparked creativity, leading to writing their own game, Andromeda Invaders, and a lifelong passion for computing.

Flick (YC F25) Is Hiring Front End Engineer to Build Figma for AI Filmmaking

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Flick is a startup defining AI native filmmaking, founded by an engineer and an award-winning filmmaker. As a founding front-end engineer, you'll lead the development of Flick's core experience, shaping the future interface for AI visual storytelling.

Perceptual Image Codec: What Matters in Practical Learned Image Compression

https://apple.github.io/ml-pico/assets/spotlight_figure.png
PICO is a learned codec that provides 2.3-3 times bitrate savings and 20-40% savings against other codecs, while encoding and decoding images quickly. It offers cross-platform robustness and outperforms top ML-based codecs in speed and efficiency.

Why is Vivado 2026.1 dropping Linux support for free tier?

Sorry to interrupt

Book Review: On the Calculation of Volume

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Solvej Balle's septology "On the Calculation of Volume" is a literary project about a woman stuck in a time loop. The series explores the daily life of Tara Selter as she navigates her marriage and relationships within the loop.

Ruby for Good

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The Ruby for Good event offers shared lodging, meals, and socializing for programmers to build projects helping nonprofits. Registration is all-inclusive, but refunds are not available after June 7th.

I keep bouncing off the Scheme language

https://www.sicpers.info/wp-content/uploads/2026/02/iamleeg-_FO82FCD66EF46-01-1024x1024.png
The user has a hard time grasping Scheme due to an inconsistent approach and an ALGOL-based mindset. They want to contribute to the GNU Guix and GNU Shepherd ecosystem but need to overcome their familiarity with other programming languages.

The C64 Dead Test Font

https://www.masswerk.at/nowgobang/images/dead-test-font-title.jpg
The “dead test” diagnostic cartridge of the commodore 64 uses an 8k ultimax cartridge with rom code at $e000–$ffff. the cartridge implements just 58 characters, without any reverse video characters or reverse image matrices. if we were to address any screen code beyond $39, we’d address the $aa fill area. there are no further character matrixe s implemented and no reverse images of these

Usborne 1980s Computer Books

https://usborne.com/media/AboutPages/2df66ee183b417e7d640f293e14149667edadadd.jpg
Usborne offers free pdfs of award-winning computer books from the 1980s for personal or educational use. The books include program listings for old computers like ZX Spectrum and BBC Micro, but programs won't run on modern computers.

Time to talk about my writerdeck

https://veronicaexplains.net/content/images/size/w160/2026/02/e7e8d217424253d8.jpg
The user converted an old laptop into a writerdeck, a dedicated writing device, by installing Debian in text mode, replacing the network stack with network-manager, and setting up neovim for writing. They also added features like tmux for terminal tiling, acpi for battery details, and light for backlight control, and set up automatic login and syncthing for syncing notes.