Filing the corners off my MacBooks

https://kentwalters.com/posts/corners/imgs/IMG_0796.jpeg
User filed off sharp corners of their MacBook for comfort, using a file and sandpaper in increments. They're happy with the result and encourage others to modify their machines for a better user experience.

Optimal Strategy for Connect 4

https://2swap.github.io/WeakC4/sample.png
A weak solution to Connect 4 was developed using a language that describes perfect play for a small subset of nodes and a small opening tree. This solution uses no search during runtime and fits in about 150 kilobytes.

Starfling: A one-tap endless orbital slingshot game in a single HTML file

A one-tap space game. How far can you sling? Play free in your browser.

1D Chess

1d-chess is a simplified chess variant where white plays against an AI. Assuming optimal play, white has a forced win by checkmating the enemy king.

Artemis II safely splashes down

https://assets1.cbsnewsstatic.com/hub/i/r/2026/04/10/bdc9f47d-8b2f-4f35-a44f-6be30b1ab5ab/thumbnail/620x340/13f6599081707d34f230db3cc5c50520/artemis-return.jpg
NASA's Artemis II astronauts returned to Earth with a splashdown landing in the Pacific Ocean after making a high-speed reentry through the atmosphere.

Installing every* Firefox extension

https://jack.cab/_astro/launch.fuIAiunJ_ZtRu8u.png
The user scraped all Firefox extensions using a public API, finding 84,194 extensions, and discovered various issues including phishing extensions, malicious code, and performance problems when installing all extensions at once. The user documented their process and findings, including the use of a script to download and install all extensions, and the performance issues that arose when ...

Volunteers turn a fan's recordings of 10K concerts into an online treasure trove

https://dims.apnews.com/dims4/default/c360d25/2147483647/strip/true/crop/3000x2000+0+0/resize/599x399!/quality/90/?url=https%3A%2F%2Fassets.apnews.com%2Fe6%2F61%2Fd001412a1122a03240acc95127c4%2F9e8d8d71ba8f4506809c1d7125d37618
Aadam Jacobs recorded over 10,000 concerts with increasingly sophisticated equipment over four decades, documenting early performances of bands like Nirvana, R.E.M., and The Pixies. His collection is now being cataloged, digitized, and uploaded to the Internet Archive for music lovers to stream and download.

Chimpanzees in Uganda locked in eight-year 'civil war', say researchers

https://ichef.bbci.co.uk/news/480/cpsprodpb/2a41/live/068357f0-34fc-11f1-9d5c-8ba507d7dbde.png.webp
Chimpanzees at Uganda's Kibale National Park have been locked in a civil war for 8 years with 24 killings, including 17 infants. Researchers say the conflict may inform how early human conflict developed and highlights the danger of group divisions.

AI assistance when contributing to the Linux kernel

https://opengraph.githubassets.com/0fed47c9ef095c1ae9caf4cab9b51df2c9ef4fdd0dd30fff84c66d85130516b9/torvalds/linux
AI tools cannot add Signed-off-by tags, only humans can certify the DCO. Contributions from AI tools should include an Assisted-by tag for proper attribution.

WireGuard makes new Windows release following Microsoft signing resolution

Jason Donenfeld released updated WireGuard for Windows and WireGuardNT with new features, bug fixes, and performance improvements. Users can update via the built-in updater or download the latest version from the WireGuard website.

Industrial design files for Keychron keyboards and mice

https://raw.githubusercontent.com/Keychron/Keychron-Keyboards-Hardware-Design/main/docs/assets/hero-keychron-hardware-design.jpg
Keychron shares production CAD files for compatible accessories and educational use. Users can study and remix designs, but not copy or sell Keychron products.

BlueHammer abuses Windows Defender's update process to gain SYSTEM access

https://hackingpassion.com/bluehammer-windows-defender-zero-day/featured-image.png
Want to learn ethical hacking? I built a complete course. Have a look!Learn penetration testing, web exploitation, network security, and the hacker mindset:→ Master ethical hacking hands-on(The link supports me directly as your instructor!)Hacking is not a hobby but a way of life! Windows Defender, the built-in antivirus running on every Windows machine, has a zero-day exploit with full ...

Bevy game development tutorials and in-depth resources

The Rails guides for Bevy were created for friends and have evolved over time, built with a static site generator called Staticky. The site offers resources for Bevy developers and also features a Pong Tutorial for beginners and a TLDR for advanced users.

Sybilproof reputation mechanisms (2005) [pdf]

CPU-Z and HWMonitor compromised

https://regmedia.co.uk/2021/04/13/malware.jpg
CPUID website briefly exposed visitors to malware after attackers hijacked its backend, turning trusted download links into malicious ones. The issue has been fixed, but users who clicked on compromised links may have downloaded malware targeting browser data and credentials.

JSON formatter Chrome plugin now closed and injecting adware

https://opengraph.githubassets.com/2a8a44c8ffa5865c90c2dd31d9d74944ca636cb533df2d8d65121056bf1d32eb/callumlocke/json-formatter
JSON Formatter is now closed-source and commercial, but the final open source version, JSON Formatter Classic, remains available for use. It provides a simple, local-only JSON-formatting extension with no updates.

Helium is hard to replace

https://substackcdn.com/image/fetch/$s_!sAvO!,w_1200,h_675,c_fill,f_jpg,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5ae2519f-6142-44ce-aa4d-0b9b276c12ff_1220x634.png
Helium supply chain disruptions due to the war in Iran have caused prices to spike and shortages to loom, with many industries struggling to find substitutes for the essential gas. Helium's unique properties make it crucial for various applications, including MRI machines, semiconductor manufacturing, and fiber optic cable production.

Artemis II is competency porn

https://substackcdn.com/image/fetch/$s_!zE1d!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2e49fe7a-c6f9-4d1d-93b9-aac310e0bcbc_1289x1192.jpeg
By subscribing, you agree Substack's Terms of Use, and acknowledge its Information Collection Notice and Privacy Policy. If you want a little more whimsy in your mailbox, subscribe and join our little corner of the internet. I love you!! If you have spent the last week inexplicably emotional about a space mission, you are not alone and you are not being dramatic. Something real is ...

20 years on AWS and never not my job

The user created their first AWS account in 2006 and started providing feedback on AWS services, including security concerns and feature requests, which led to improvements in services such as IAM and EC2. Over the years, the user continued to contribute to AWS, including helping to bring FreeBSD to EC2, and was eventually recognized as an AWS Hero in 2019 for their contributions to the platform.

A practical guide for setting up Zettelkasten method in Obsidian

https://desktopcommander.app/blog/wp-content/themes/desktopcommander-blog/dc-logo-dark.png
To set up a Zettelkasten system, start with a minimal structure, write atomic notes, and build links from day one, using tools like Obsidian and Desktop Commander for AI support. Regular maintenance, such as clearing the inbox and linking notes, is key to keeping the system usable over time and preventing issues like orphaned notes and stale Maps of Content.

Productive Procrastination

https://www.maxvanijsselmuiden.nl/og/blog-productive-procrastination.png
The writer struggles with procrastination, preferring to work on new projects rather than older ones due to the brain's preference for novelty. Understanding the psychological principles behind procrastination can help reduce guilt and increase productivity.

Quien – A better WHOIS lookup tool

https://raw.githubusercontent.com/retlehs/quien/main/demo.gif
quién is a WHOIS lookup tool with interactive TUI and JSON subcommands for scripting. It offers various views and detection features for domains and IPs.

How Passive Radar Works

https://www.passiveradar.com/content/images/size/w2000/2026/04/Silentium_Defence_-_Passive_Radar_for_Space_Domain_Awareness_-_HIgher_Resolution_3-2-1-1.jpg
Passive radar is radar that works by listening passively. It doesn't transmit anything; it detects signals that already exist in the environment. By listening to how broadcasts like FM radio and digital TV bounce off objects, it's possible to determine their positions and velocities. The result is a radar system with no transmitter, no expensive hardware, and no need for a broadcast ...

Show HN: Pardonned.com – A searchable database of US Pardons

Sorry.

Italo Calvino: A traveller in a world of uncertainty

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The Bra-and-Girdle Maker That Fashioned the Impossible for NASA

You don't have permission to access "http://thereader.mitpress.mit.edu/the-bra-and-girdle-maker-that-fashioned-the-impossible-for-nasa/" on this server.

France's government is ditching Windows for Linux, says US tech a strategic risk

https://static0.xdaimages.com/wordpress/wp-content/uploads/wm/2025/12/linux-and-windows-laptops.jpg?&fit=crop&w=1600&h=900
The French government plans to shift away from proprietary technologies outside the EU and focus on open-source solutions, including ditching Windows for Linux. This move aims to regain control over digital destiny and reduce dependence on American tools.

Watgo – A WebAssembly Toolkit for Go

https://eli.thegreenplace.net/images/2026/watgo-diagram.png
watgo is a WebAssembly Toolkit for Go that parses WAT, validates, and encodes WASM binaries. It uses wasmir for semantic representation and has a CLI and Go API.

Investigating Split Locks on x86-64

https://substackcdn.com/image/fetch/$s_!D4_X!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb7d2989b-9482-481b-bdba-e2d0ca6c079f_2464x1640.jpeg
Split locks cause performance regressions in modern CPUs, particularly affecting memory access performance beyond L2 caches. Hardware and software developers should optimize split locks for better performance and reduced noisy neighbor effects, rather than introducing new problems like Linux's default mitigation.

Launch HN: Twill.ai (YC S25) – Delegate to cloud agents, get back PRs

https://twill.ai/landing_assets/code-file.avif
Twill automates coding tasks, allowing developers to focus on high-priority work. It streamlines workflows, enabling teams to ship more and context-switch less.