Is BGP Safe Yet? No. Test Your ISP

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BGP security issues allow malicious actors to hijack devices, causing widespread problems. RPKI signing of Internet routes can improve BGP security.

Claude Code Unpacked : A visual guide

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Claude Code processes keyboard input from TextInput or piped stdin, then uses a lead agent to break tasks and spawn parallel workers. It also has unreleased features and a virtual pet that lives in the terminal.

CERN levels up with new superconducting karts

https://home.cern/sites/default/files/2026-04/Kart-1440_0.png
CERN engineers developed super-charged karts to speed up work in the Large Hadron Collider tunnel during major works. The karts, inspired by nursery school children's designs, will replace bicycles and enable faster travel through the 27-km tunnel.

Intuiting Pratt Parsing

https://louis.co.nz/assets/img/pratt/ast.png
Pratt parsing is a method for parsing expressions with varying precedence by walking back up the spine of the tree when a transition operator appears and building a left-leaning subtree. The Pratt parser uses a recursive descent parser with a call stack to build the tree, and it handles left-associative and right-associative operators by adjusting their left and right binding powers.

Consider the Greenland Shark (2020)

https://www.lrb.co.uk/storage/social_image/images/8/6/6/0/20930668-1-eng-GB/Rundell-Web.jpg
Greenland sharks are the planet's longest-lived vertebrates, with some estimated to be between 272 and 512 years old, and have been swimming silently through the northern seas for thousands of years. Despite their slow metabolism and unpleasant appearance, these sharks are a symbol of hope and endurance, and will likely outlast human civilizations and witness future transformations on Earth.

Claude Wrote a Full FreeBSD Remote Kernel RCE with Root Shell (CVE-2026-4747)

https://opengraph.githubassets.com/179eece63a9eb5f106dd5ffeb676e7ccfe60dfa24304e3385bc8001a8b462d22/califio/publications
FreeBSD 13.5 and later versions have a vulnerability in the RPCSEC_GSS module, allowing a remote kernel code execution attack via NFS. The vulnerability is due to a buffer overflow in the svc_rpc_gss_validate function.

Show HN: CLI to order groceries via reverse-engineered REWE API (Haskell)

https://opengraph.githubassets.com/9debcbb94fd1eb85cb46271b04a7a87498863b2c3a0f10098186b5e9f5e0602d/yannick-cw/korb
The korb CLI is a Haskell program that allows users to create baskets and order groceries from REWE markets programmatically. It uses a shared markdown file to store shopping lists and generates a template based on user history and preferences.

Tom Scott is back on YouTube [video]

Show HN: Sycamore – next gen Rust web UI library using fine-grained reactivity

https://avatars.githubusercontent.com/u/37006668?v=4
Sycamore is a Rust and WebAssembly-based framework offering fine-grained reactivity and compile-time error checking. It supports Server Side Rendering, SPA mode, and features like async data loading and a built-in router.

Ada and Spark on ARM Cortex-M – A Tutorial with Arduino and Nucleo Examples

http://inspirel.com/articles/images/ada_on_cortex_cover_medium.jpg
This tutorial was written for all those who are interested in programming embedded systems and who would like to explore the idea of using Ada and SPARK in systems based on ARM Cortex-M microcontrollers.

New Patches Allow Building Linux IPv6-Only, Option to Deprecate "Legacy" IPv4

https://www.phoronix.com/assets/categories/linuxnetworking.webp
David Woodhouse sent a Linux kernel patch series to deprecate legacy IP support, allowing IPv6-only kernel builds and disabling IPv4 support. The patches add a CONFIG_LEGACY_IP option to toggle IPv4 support, with warnings for legacy IP socket use.

Chess in SQL

https://www.dbpro.app/_next/image?url=%2Ficon.webp&w=256&q=75
A chess board was rendered in SQL using a pivot technique to transform rows into columns. This technique was used to visualize the game of Paul Morphy against the Duke of Brunswick and Count Isouard in 1858.

Wasmer (YC S19) Is Hiring – Rust and DevRel Positions

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Wasmer is a company working on WebAssembly for cloud computing, using Rust, WebAssembly, and LLVM. They are hiring a Rust software engineer with 3+ years of experience.

A dot a day keeps the clutter away

https://scottlawsonbc.com/static/dot-system-01.jpg
The author created a simple inventory system using colored dot stickers to track usage of electronic components and tools in their lab. The system reveals patterns and helps the author decide what to keep and what to discard, making it easier to manage their collection.

OnlyOffice kills Nextcloud partnership for forking its project without approval

AI has suddenly become more useful to open-source developers

https://www.zdnet.com/a/img/resize/e27b3953df87b835a77deeeec01f311aa283a5ec/2022/08/05/e2171bd1-84f6-4ca8-9801-2abdeb61a365/steven-vaughan-nichols.jpg?auto=webp&fit=crop&frame=1&height=192&width=192
Open-source projects are often maintained by a single person, leaving them vulnerable to being knocked out by a single event. AI tools are becoming more effective in coding and could help maintain legacy codebases, but there are concerns about copyright and AI-generated code quality.

Show HN: 1-Bit Bonsai, the First Commercially Viable 1-Bit LLMs

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PrismML's ultra-dense intelligence models, like 1-bit Bonsai, offer significant memory and energy savings. They achieve high performance and accuracy while requiring much less memory and energy than full-precision models.

TinyLoRA – Learning to Reason in 13 Parameters

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers propose TinyLoRA to scale low-rank adapters, achieving 91% accuracy on GSM8K with 13 trained parameters. TinyLoRA recovers 90% of performance improvements with 1000x fewer parameters on learning-to-reason benchmarks.

TruffleRuby

https://chrisseaton.com/truffleruby/truffleruby.png
TruffleRuby is a Ruby implementation on the JVM using Graal and Truffle, achieving high performance and simplicity. It was open sourced in 2014 and is now part of GraalVM, sponsored by Shopify since 2019.

I Quit. The Clankers Won

https://dbushell.com/images/blog/2026/kirk-computer.avif
The author argues that blogging is more important than ever despite the rise of AI and Big Tech, as it allows for human conversation and authentic voices. They encourage readers to keep blogging and assert their unique voice, rather than resigning to the deskilling of their craft.

Iran war sparks renewables boom as Europeans rush to buy solar, heat pumps, EVs

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MiniStack (replacement for LocalStack)

https://ministack.org/logo.png
AWS services run on real infrastructure, including databases, containers, and caching. LocalStack offers a Pro version with real infrastructure support for AWS services.

The Claude Code Source Leak: fake tools, frustration regexes, undercover mode

Anthropic accidentally exposed Claude Code's source code and internal features, including anti-distillation mechanisms and a companion system. The leak reveals product roadmap details that competitors can now see and react to.

Bring Back MiniDV with This Raspberry Pi FireWire Hat

https://www.jeffgeerling.com/blog/2026/minidv-with-raspberry-pi-firewire-hat/firehat-raspberry-pi-recording-from-firewire.jpeg
You're using a Raspberry Pi with a FireWire HAT and PiSugar3 Plus battery to create a portable MRU for older FireWire cameras, replacing tape and allowing for archiving of MiniDV tapes. This setup can also be used with other FireWire devices and is a cost-effective alternative to buying an old used MRU.

Apple Removes iPhone Vibe Coding App from App Store

https://gizmodo.com/app/uploads/2020/11/nkfymakb0t5icflu8bxx.jpg
Apple removed Anything app from the App Store for allegedly violating rule 2.5.2, requiring apps to be self-contained. The removal is seen as an escalation of enforcement against vibe coding apps, which assist users in generating apps without coding.

Neanderthals survived on a knife's edge for 350k years

OpenAI demand sinks on secondary market as Anthropic runs hot

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world

4D Doom

https://raw.githubusercontent.com/danieldugas/HYPERHELL/master/media/hyperhell_promo_square_glitch_512x512.png
The demo HYPERHELL is a 4D game that requires WebGPU compatible hardware and browser, where players navigate a maze and interact with the Bargainer to survive. The game uses a new rendering technique called the "Unblink" mechanic, which simulates a 4D camera with a 3D sensor.

Slop is not necessarily the future

https://www.greptile.com/blog/ai-slopware-future/unnamed.png
AI models will write good code due to economic incentives, as good code is cheaper to generate and maintain. Economic forces will drive AI models to generate simpler, good code as it will be cheaper overall.

Show HN: Baton – A desktop app for developing with AI agents

https://getbaton.dev/screenshots/landing-workspace-cropped-dark-768w.png
Baton is a tool that creates isolated workspaces with their own branches for AI agents to work on without conflicts, providing a clean GUI for organization and management. It supports various AI agents, has customizable features, and runs locally with optional cloud features for AI-generated workspace titles and branch names.