HackerTube: YouTube built from videos recommended by HN

1306 karpathy 2026-10-31 20:02:07 UTC karpathy.bearblog.dev Llama Share 368

The user created a YouTube clone called Hackertube.org using Opus 5.5, filtering comments from Hacker News to find recommended videos. The site provides personalized ForYou recommendations without requiring user accounts or storing state in local browser sessions.

Japan's trains are great. Why is booking one so hard?

16 vnbrs 2026-11-01 09:02:07 UTC vinibrasil.com Llama Share 20

A software engineer on vacation observes how different cultures design and use software, noting significant differences in Japan's user interfaces. Japanese software often reflects the country's organizational structure, with users needing to navigate complex systems and understand company-specific rules.

An Italian farmer found some unknown seeds in his attic and planted them

438 ecares 2026-10-31 23:02:07 UTC smithsonianmag.com Llama Share 125

Claudio Grossi, an Italian farmer, discovered a 100-year-old sack of seeds that produced a unique and ancient wheat variety called "grano del miracolo" or "miracle grain." This hardy wheat has been shown to have nutritional benefits and is more resilient to droughts and extreme weather events.

The AI cost of JavaScript frameworks

70 luu 2026-11-01 07:02:07 UTC nolanlawson.com Llama Share 36

The author conducted a benchmark to compare the performance of various JavaScript frameworks, including Next.js, Nuxt, SvelteKit, and Angular. The results showed that most frameworks were similar in terms of development time and cost, but some were more expensive than others.

Running a bootstrapped SaaS for 20 years with my brother

85 whyleyc 2026-11-01 05:02:07 UTC blog.zamzar.com Llama Share 23

Zamzar, a file conversion website, was launched in 2006 and has since helped over 550 million people convert files. The company remains independent and small, focusing on supporting users with their file needs rather than pursuing trendy technologies.

Brazilian Court Sanctions Lawyers for Prompt Injection in Court Filing

119 doodlesdev 2026-11-01 03:02:07 UTC jetstream.security Llama Share 50

Two Brazilian lawyers were fined for intentionally embedding a hidden command in a court filing to manipulate an AI system, potentially undermining justice. The case may be the first globally to address intentional manipulation of a court's AI system through prompt injection.

No AI, 52 min. Build all Linux Files utils in C by Hand [video]

11 surprisetalk 2026-11-01 09:02:07 UTC youtube.com Embed Share 3

TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8

504 oger 2026-10-31 20:02:07 UTC atlasum.net Llama Share 234

A critical Linux kernel vulnerability (CVE-2026-98432) allows a remote, unauthenticated peer to reach and crash the system. The fix is available in kernels 5.10.272, 5.15.223, and others; users should install the fixed kernel and reboot as soon as possible to prevent exploitation by attackers who can run arbitrary commands as root without credentials or user interaction on servers with a ...

Memdoor: A team of 5 Qwen3.8-27B models beats Fable 5 on LiveCodeBench Hard

228 guregodevo 2026-10-31 23:02:07 UTC github.com/guregodevo Llama Share 111

A multi-agent harness for programming problems was developed using a Memdoor workflow, achieving a mean score of 9.8 out of 10 on LiveCodeBench Hard problems. The harness uses five roles and a repair worker to solve the problems through file-based communication without relying on human intervention or models.

Leaking Secrets from Air-Gap Computers by Spelling Radio Signals from RAM (2024)

87 hapax_legomena 2026-11-01 02:02:07 UTC arxiv.org Llama Share 40

Air-gapped systems are vulnerable to information leakage through malware-generated radio signals. Attackers can intercept and decode these signals using software-defined radio hardware, allowing them to steal sensitive data from air-gapped computers.

OpenIDEA: The IDE you know, rebuilt in Rust

5 theanonymousone 2026-11-01 09:16:07 UTC github.com/l0ng-ai LocalLLM Share 1

OpenIDEA brings IntelliJ's features to a Rust-based native app supporting 60+ languages. It includes editor, debugger, Git, and more, with performance comparisons available for Python analysis.

Pac-Man's Siren Call

19 tobr 2026-11-01 07:02:07 UTC unsung.aresluna.org Llama Share 6

The author was tasked with creating a Pac-Man doodle for Google's homepage to celebrate its 30th anniversary, which he completed in HTML and CSS. However, the game's autoplay feature with sound caused widespread issues on launch day due to an extension called CoolPreviews that played the game without user interaction.

Zinc creep in cable spelter sockets brought down the Arecibo telescope in 2020

112 ohjeez 2026-10-31 23:02:07 UTC maketecheasier.com Llama Share 27

The 2020 collapse of the Arecibo Observatory telescope was caused by long-term zinc creep in cable spelter sockets, which allowed cables to pull out and cause the platform to fall. The National Academies report highlights the need for careful monitoring and maintenance of unique science facilities as they age.

ChatGPT and Codex usage limits merging

123 Zariel 2026-10-31 22:02:07 UTC help.openai.com Llama Share 59

Starting in December, usage allowance for Plus, Pro, and Business plans will be shared between ChatGPT and Codex. Users can track their combined remaining usage and reset times in Settings → Usage.

Pilot-wave hydrodynamics (Quantum phenomena in macroscopic hydrodynamic systems)

38 peter_d_sherman 2026-11-01 04:02:07 UTC thales.mit.edu Llama Share 6

Researchers have studied droplets walking on a vibrating fluid bath, finding features similar to quantum behavior. This work aims to understand and rationalize the emergent quantum-like behavior in a hydrodynamic system.

Altoids Project

110 uvdn7 2026-11-01 00:02:07 UTC uvdn7.github.io Llama Share 5

A father and son spent two months on the "Altoids project," creating a tiny robot that fits inside an Altoids tin, with five iterations of improvements. They used various components, including Arduino boards, displays, and LiPo batteries to achieve their goal.

It's the memory latency, stupid

195 ntur1337 2026-10-31 19:02:07 UTC pivotlake.io Llama Share 60

A CPU at 100% utilization doesn't necessarily mean it's fully utilized, as memory accesses are much slower than internal CPU operations. Optimizing database queries to utilize the CPU cache can significantly improve performance.

A 1580 Map Shows Why Data Visualization Is Never Neutral

40 the-mitr 2026-11-01 02:02:07 UTC thereader.mitpress.mit.edu Full Share 2

You don't have permission to access "http://thereader.mitpress.mit.edu/a-1580-map-shows-why-data-visualization-is-never-neutral/" on this server.

A brief history of just-in-time: forty years of JIT work, from 1960–2000

26 gjvc 2026-11-01 03:02:07 UTC dl.acm.org Full Share 0

Electrification Could Cut Global Energy Use in Half

107 toomuchtodo 2026-10-31 20:02:07 UTC fullycharged.show Llama Share 46

Robert Llewellyn interviews Professor Jan Rosenow about the "hidden 80%" of global energy, tackling fossil fuels in mobility and heating sectors. They discuss electrification's potential to cut global energy demand in half.

Jepsen: ParticleDB 1.1.4

263 aphyr 2026-10-31 16:02:07 UTC jepsen.io Llama Share 150

ParticleDB is a database system that claims to be 1087x faster than PostgreSQL but has been found to have numerous serious safety errors, including data loss and corruption. Despite its promising features, the database's documentation was riddled with omissions, inconsistencies, and confabulations.

Surviving "The Graduate"

116 samizdis 2026-10-31 21:02:07 UTC newyorker.com Llama Share 35

The author, Dustin Hoffman, recounts his experience filming "The Graduate" under the direction of Mike Nichols. He struggled with insecurity and felt miscast in the lead role due to his ethnic background. Despite initial reservations, Hoffman eventually landed the part after a memorable screen test that impressed Nichols.

Understanding Email Encryption

10 nmjenkins 2026-11-01 07:02:07 UTC fastmail.com Llama Share 3

Fastmail uses encryption in transit and on servers to protect email, with TLS 1.3 and PKI for secure connections, while also storing encrypted data at rest. This provides strong security against threats like phishing and malware without compromising searchability or functionality.

Do the math: How we took over ChatGPT accounts

330 armcat 2026-10-31 11:02:07 UTC parameter.ai Llama Share 165

Researchers found a way to take over someone's ChatGPT account by sending a malicious link, which executed as chatgpt.com with access to the victim's authenticated web session. The payload could enumerate private conversations, retrieve content from them, and send data to an attacker-controlled server.

Edgar Allan Poe, Quintessential American Writer

32 samclemens 2026-11-01 02:02:07 UTC slate.com Llama Share 1

The quintessential American writer is often debated, but Edgar Allan Poe's influence globally surpasses his domestic recognition. His work explores the human cry from desperation and features a global impact that has been formidable.

Simple circuits can create complex behaviors

251 aatish 2026-10-31 12:02:07 UTC aatishb.com Llama Share 78

Researchers have built a simple brain model to understand how complex behaviors emerge from neural circuits. This model, called a "spark," uses just four neurons and two connections to create rich and unexpected behaviors like reaching light sources.

The Duty of a Scholar

118 gslin 2026-10-31 20:02:07 UTC daemonology.net Llama Share 32

The author, a computer security expert, identified a vulnerability in Intel CPUs that could be used for side-channel attacks and worked with companies to fix the issue before public disclosure. He prioritized responsible disclosure over career considerations.

Anthropic blocks users for anything touching training larger models

350 pretext 2026-10-31 20:02:07 UTC twitter.com/jiahaoshao1 Llama Share 205

The user is unhappy with Anthropic's @DarioAmodei, feeling unfairly blocked for using their model in research automation. They believe this treatment is hypocritical given that the models were trained on public data.

Show HN: BBRouter – Ben Eater's 8-bit computer, simulated on 3D breadboards

30 creack 2026-11-01 01:02:07 UTC bbrouter.com Full Share 8

A project by @bbrouter on BBRouter, the 3D breadboard editor and simulator: open it to look around and run it.

Reading and writing are less symmetric than you (probably) think

112 luu 2026-10-31 14:02:07 UTC fgiesen.wordpress.com Llama Share 26

Buffering in I/O operations involves multiple layers of caching and buffering to improve performance, but this introduces behavioral asymmetries between read and write operations. Read operations typically return errors before the data is written to storage, while write operations delay error reporting until after the data has been written to a buffer cache.