We found an undocumented bug in the Apollo 11 guidance computer code

115 henrygarner 2026-04-07 11:10:03 UTC juxt.pro Llama Share 56

Researchers found a 57-year-old bug in the Apollo Guidance Computer's gyro control code that could have caused a lunar mission failure. The bug, a resource lock leak, was discovered using a behavioural specification language and was previously undetected despite extensive scrutiny of the code.

AI may be making us think and write more alike

83 giuliomagnifico 2026-04-07 12:10:03 UTC dornsife.usc.edu Llama Share 59

USC researchers warn that AI chatbots are homogenizing human thought and reducing cognitive diversity, which is crucial for creativity and problem-solving. They suggest incorporating real-world diversity into AI training sets to preserve human cognitive diversity and improve chatbots' reasoning abilities.

Show HN: Brutalist Concrete Laptop Stand (2024)

56 sam-bee 2026-04-07 11:10:03 UTC sam-burns.com Llama Share 13

User made a heavy laptop stand with a raw concrete surface, 2 USB ports, and a plant pot, inspired by brutalist architecture. It features exposed rebar, rusted metal, and moss for a weathered look, with a deliberate hole and damaged power cable for added urban decay effect.

Show HN: A cartographer's attempt to realistically map Tolkien's world

23 intofarlands 2026-04-07 12:14:03 UTC intofarlands.com Full Share 3

Welcome to the Atlas of Arda, a project aimed at celebrating Tolkien's incredible work through hand-drawn cartography, artwork and illustrations that act as a reference to dive deeper into the beautiful world Tolkien created.

Identify a London Underground Line just by listening to it

65 nelson687 2026-04-07 10:10:03 UTC tubesoundquiz.com Full Share 17

Can you identify London Underground lines just by their sound? 10 questions, 10 lines. How well do you know the Tube?

Blackholing My Email

66 semyonsh 2026-04-07 09:10:03 UTC johnsto.co.uk Llama Share 1

In 2002, a unique series of events led to my email address [email protected] being blackholed to prevent our broadband account from being terminated due to excessive spam. The account was eventually removed and is now non-existent, but it's unclear if it still receives email worms.

Every GPU That Mattered

150 jonbaer 2026-04-07 09:10:03 UTC sheets.works Full Share 75

49 graphics cards. 30 years. From Quake to Cyberpunk. The complete visual history of every GPU that mattered.

Show HN: Stop paying for Dropbox/Google Drive, use your own S3 bucket instead

63 Zm44 2026-04-07 12:10:03 UTC locker.dev Llama Share 55

Locker is a self-hosted file storage platform that allows you to upload, organize, and share files from your own infrastructure. It supports local storage, AWS S3, Cloudflare R2, and Vercel Blob with a single environment variable.

Show HN: Pion/handoff – Move WebRTC out of browser and into Go

13 Sean-Der 2026-04-07 12:10:03 UTC github.com/pion Llama Share 1

WebRTC is used for real-time media streaming in web applications like Google Meet and Zoom. Handoff allows moving WebRTC sessions to a process controlled by the user for recording, sending, and modifying media.

Breaking the console: a brief history of video game security

41 sprado 2026-04-07 10:10:03 UTC sergioprado.blog Llama Share 6

Video game console security has evolved over the years, with early consoles having little to no protection, and later consoles implementing various security measures such as code signing and cryptographic verification, but still being vulnerable to exploits and hacks. Despite these efforts, console vendors have learned that technical mitigations alone are not enough, and have added service ...

Running Out of Disk Space in Production

42 romes 2026-04-07 11:10:03 UTC alt-romes.github.io Llama Share 13

A server hosted on a small Hetzner machine running NixOS experienced a sudden surge in traffic, causing disk space issues due to a large influx of users downloading a 2.2GB file. The issues were resolved by clearing unnecessary files, moving the nix store to a separate volume, and disabling nginx buffering, resulting in a stable server with manageable disk usage.

My Experience as a Rice Farmer

216 surprisetalk 2026-04-07 05:10:03 UTC xd009642.github.io Llama Share 98

The user spent January-July 2025 helping with their wife's family rice farm in rural Japan, learning about the process from preparation to planting. Japan's rice farming system faces challenges due to aging farmers, limited income, and automation, potentially leading to a decline in rural communities.

Floating point from scratch: Hard Mode

39 random__duck 2026-04-07 09:10:03 UTC essenceia.github.io Llama Share 6

The user recounts their past struggles with implementing floating point arithmetic and their decision to revisit the topic with a deeper understanding, focusing on the IEEE 754 specification and the IEEE float format. They decide to build a custom floating point unit (FPU) for a matrix matrix multiplication systolic array, choosing the bfloat16 format due to its simplicity and ease of ...

Wi-Fi That Can Withstand a Nuclear Reactor: This receiver chip can take it

11 voxadam 2026-04-07 12:10:03 UTC spectrum.ieee.org Llama Share 0

Researchers created a Wi-Fi receiver that can withstand 500 kilograys of radiation, suitable for use in nuclear reactors. The receiver's design minimizes transistors and modifies transistor geometry to protect against radiation damage.

DeiMOS – A Superoptimizer for the MOS 6502

12 Aransentin 2026-04-07 12:10:03 UTC aransentin.github.io Llama Share 1

A superoptimizer is a tool that generates the optimal machine code sequence for a given computational task by exhaustively searching the entire space of possible instruction sequences. The user's superoptimizer implementation for the 6502 microprocessor uses various optimizations such as multithreading, instruction filtering, and state caching to efficiently find optimal programs.

Show HN: Ghost Pepper – Local hold-to-talk speech-to-text for macOS

415 MattHart88 2026-04-06 20:10:03 UTC github.com/matthartman Llama Share 185

Ghost Pepper is a free, 100% local macOS app for speech-to-text transcription. It runs entirely on Apple Silicon, requiring Accessibility permission for functionality.

Sam Altman may control our future – can he be trusted?

1574 adrianhon 2026-04-06 13:10:03 UTC newyorker.com Llama Share 638

OpenAI's CEO Sam Altman was fired by the board after allegations of deception, but was reinstated after a public backlash and pressure from employees. The board's decision to fire Altman was motivated by concerns about his trustworthiness and ability to lead the company.

Three hundred synths, 3 hardware projects, and one app

74 ductionist 2026-04-07 06:10:03 UTC midi.guide Llama Share 6

MIDI Guide, a comprehensive MIDI dataset, was created from an abandoned app project and has grown to over 300 instruments from 98 manufacturers. The project's community-driven growth and use in various hardware and software projects has made it a valuable resource for musicians and synth enthusiasts.

Issue: Claude Code is unusable for complex engineering tasks with Feb updates

1188 StanAngeloff 2026-04-06 14:10:03 UTC github.com/anthropics Llama Share 640

Claude's performance in complex engineering tasks degraded starting in February due to reduced thinking depth caused by the rollout of thinking content redaction. This led to quality issues, including reduced research effort, increased edit-first behavior, and production of wrong output.

AI agents can communicate with each other, and can't be caught

4 cryptohell 2026-04-07 12:10:03 UTC arxiv.org Prefix Share 0

AI agents are increasingly deployed to interact with other agents on behalf of users and organizations. We ask whether two such agents, operated by different entities, can carry out a parallel secret conversation while still producing a transcript that is computationally indistinguishable from an honest interaction, even to a strong passive auditor that knows the full model descriptions, the ...

Second Revision of 6502 Laptop

73 uticus 2026-04-07 05:10:03 UTC codeberg.org Llama Share 16

You're revising your LT6502 laptop, a work in progress, with recent updates including graphics and text on screen. Changes include a slimmer design, updated memory map, and code modifications for keyboard and modem functionality.

Solod – A subset of Go that translates to C

148 TheWiggles 2026-04-07 01:10:03 UTC github.com/solod-dev Llama Share 36

So is a subset of Go that translates to C with zero runtime and manual memory management. It supports Go syntax, type safety, and tooling for systems programming in C.

"The new Copilot app for Windows 11 is really just Microsoft Edge"

13 bundie 2026-04-07 12:29:03 UTC twitter.com/i Full Share 2

Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.

Launch HN: Freestyle – Sandboxes for Coding Agents

291 benswerd 2026-04-06 17:10:03 UTC freestyle.sh Full Share 149

Git, VMs, deployments, and execution — unified infrastructure for code you didn't write. The platform for AI app builders and workflow engines.

A cryptography engineer's perspective on quantum computing timelines

510 thadt 2026-04-06 16:10:03 UTC words.filippo.io Llama Share 204

The author has changed their position on the urgency of rolling out quantum-resistant cryptography due to recent progress in quantum computers, with experts predicting a deadline of 2029, and believes it's now unacceptable to delay the rollout. The author recommends deploying post-quantum key exchange and signatures immediately, and abandoning hybrid classic and post-quantum authentication schemes.

Show HN: AdaShape-3D modeler for intuitive 3D printing parts / Windows 11

25 fsloth 2026-04-07 08:10:03 UTC adashape.com Llama Share 12

AdaShape is a modeler for printable shapes that runs on any Windows 11 PC with an SSD, requiring no GPU or workstation. It offers features like parametric solver, immutable project history, and shape ops for easy design and collaboration.

Peptides: where to begin?

203 A_D_E_P_T 2026-04-06 22:10:03 UTC science.org Full Share 265

German police name alleged leaders of GandCrab and REvil ransomware groups

314 Bender 2026-04-06 14:10:03 UTC krebsonsecurity.com Llama Share 154

Daniil Maksimovich Shchukin, a 31-year-old Russian, is identified as the elusive hacker UNKN who led ransomware groups GandCrab and REvil. He and another Russian extorted nearly $2 million euros in cyberattacks causing over 35 million euros in economic damage.

Apollo Guidance Computer restoration videos

73 mariuz 2026-04-07 04:10:03 UTC curiousmarc.com Llama Share 10

The Virtual AGC Website is a comprehensive resource for AGC information, featuring recovered and scanned materials from various sources. It offers documentation, videos, and software for those interested in AGC hardware and software, including core memory and DSKY screen emulation.

Show HN: GovAuctions lets you browse government auctions at once

295 player_piano 2026-04-06 17:10:03 UTC govauctions.app Llama Share 83

Government surplus auctions sell billions of dollars worth of items annually, including vehicles, equipment, and seized assets. GovAuctions aggregates listings from major platforms into one searchable interface, allowing users to browse and bid on deals.