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.

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.

Solar panels at Lidl? Plug-in versions set to appear in shops

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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.

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.

Chess in SQL

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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.

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.

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.

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.

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.

MiniStack (replacement for LocalStack)

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AWS services run on real infrastructure, including databases, containers, and caching. LocalStack offers a Pro version with real infrastructure support for AWS services.

In Case of Emergency, Make Burrito Bison 3 (2017)

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The developers of Burrito Bison created a new game, Launcha Libre, after struggling financially and needing a way to get back on their feet, with the help of Kongregate's funding program. They made significant changes to the game, including new gummy bears, launch mechanics, and a Mexican setting, while also introducing a free-to-play model with video ads and a piñata character.

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.

Why the US Navy won't blast the Iranians and 'open' Strait of Hormuz

https://responsiblestatecraft.org/media-library/image.jpg?id=65428245&width=1800&height=900&quality=74&coordinates=0%2C71%2C0%2C54
The US Navy's power projection is limited by shore-based anti-access and area denial systems, making it vulnerable to Iranian and Chinese missiles. This shift in naval warfare requires a reevaluation of investment in expensive instruments of national power.

Slop is not necessarily the future

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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.

OpenAI closes funding round at an $852B valuation

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OpenAI closed a record-breaking funding round at $852 billion post-money valuation with $122 billion committed capital. The company raised $3 billion from individual investors and generates $2 billion in monthly revenue.

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

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.

Open source CAD in the browser (Solvespace)

SolveSpace has a web version that runs in the browser with some speed penalty and bugs. It's experimental and can be hosted locally like static web content.

Digitizing photos from the 1998 Game Boy Camera

https://i.imgur.com/i6i41uP.jpeg
The user obtained a Game Boy Camera and printer, and after researching, found an open-source project called Arduino Gameboy Printer Emulator that allows digitizing photos using modern approaches. The user successfully built and used the emulator, extracting raw photo information from the Arduino and converting it to proper images with the help of community-built solutions.

Axios compromised on NPM – Malicious versions drop remote access trojan

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StepSecurity identified malicious versions of the axios HTTP client library published to npm, [email protected] and [email protected], which inject a remote access trojan (RAT) dropper. Developers who installed these versions should rotate all secrets and credentials, check network logs, and downgrade to safe versions, and StepSecurity provides end-to-end npm supply chain security across three pillars: ...

Remembering Magnetic Memories and the Apollo AGC

https://2earth.github.io/website/assets/20260304/20260304-summaryimage.png
NASA engineers in the 1960s decided to pair human oversight with digital execution for spacecraft control, leading to the development of various magnetic memory technologies. These technologies, including core rope memory, core memory, magnetic tape memory, and bubble memory, were used in early computers and spacecraft due to their high memory density and environmental robustness.

Teenage Engineering's PO-32 acoustic modem and synth implementation

https://opengraph.githubassets.com/3d451b0442b7cbef0819967ad3c0dc7d475ba6579e347f4e46bad01941ec1422/ericlewis/libpo32
libpo32 reimplements the PO-32 Tonic transfer stack for embedded targets. It builds, sends, and receives PO-32 transfers using freestanding C99.

Analyzing Geekbench 6 under Intel's BOT

Intel's Binary Optimization Tool (BOT) modifies executables to improve performance, but only for specific applications like Geekbench 6. It introduces a 2-second startup delay and optimizes code, vectorizing instructions to improve scores.

Ordinary Lab Gloves May Have Skewed Microplastic Data

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Scientists researching microplastics may have skewed data by wearing gloves that shed particles mimicking microplastics. Clean-room gloves are a safer option, with 100 false positives per millimeter squared, compared to 2,000 from other gloves.
https://raw.githubusercontent.com/timescale/pg_textsearch/main/images/tapir_and_friends_v1.0.0.png
pg_textsearch is a PostgreSQL extension for full-text search with BM25 ranking. It supports indexing, querying, and faceting with various language configurations and parameters.

Cohere Transcribe: Speech Recognition

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Cohere Transcribe is an open-source automatic speech recognition model that achieves state-of-the-art accuracy with a low word error rate of 5.42%. It is available for download and can be used for real-world transcription tasks across 14 languages.

From 300KB to 69KB per Token: How LLM Architectures Solve the KV Cache Problem

https://news.future-shock.ai/content/images/size/w1200/2026/03/weight-of-remembering.jpg
Language models use a key-value cache to store and recall conversation history, but this cache has physical and memory limitations, leading to context degradation and the need for external memory systems. Researchers are exploring ways for models to learn and manage their own memory, potentially leading to more efficient and effective language processing.