HackerTube: YouTube built from videos recommended by HN

1385 karpathy 2026-10-31 20:01:59 UTC karpathy.bearblog.dev Llama Share 379

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.

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

34 surprisetalk 2026-11-01 09:01:59 UTC youtube.com Embed Share 17

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

467 ecares 2026-10-31 23:01:59 UTC smithsonianmag.com Llama Share 137

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.

A tiny Pacific country rolls out universal basic income

7 motionlessveloc 2026-11-01 10:06:59 UTC economist.com LocalLLM Share 1

The U.S. conducted 67 nuclear tests in the Marshall Islands, causing long-term health issues and altering the islands' relationship with America. The Opportunity Party aims to address global challenges through innovative solutions.

Brazilian Court Sanctions Lawyers for Prompt Injection in Court Filing

134 doodlesdev 2026-11-01 03:01:59 UTC jetstream.security Llama Share 54

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.

Running a bootstrapped SaaS for 20 years with my brother

99 whyleyc 2026-11-01 05:01:59 UTC blog.zamzar.com Llama Share 25

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.

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

519 oger 2026-10-31 20:01:59 UTC atlasum.net Llama Share 240

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 ...

OpenIDEA: The IDE you know, rebuilt in Rust

29 theanonymousone 2026-11-01 10:01:59 UTC github.com/l0ng-ai Llama Share 35

OpenIDEA is a native app with a Rust core that brings IntelliJ IDEA's features to the platform. It supports over 60 languages and builds for macOS, Windows, and Linux.

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

244 guregodevo 2026-10-31 23:01:59 UTC github.com/guregodevo Llama Share 115

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)

91 hapax_legomena 2026-11-01 02:01:59 UTC arxiv.org Llama Share 46

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.

The AI cost of JavaScript frameworks

81 luu 2026-11-01 07:01:59 UTC nolanlawson.com Llama Share 49

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.

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

120 ohjeez 2026-10-31 23:01:59 UTC maketecheasier.com Llama Share 30

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.

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

43 peter_d_sherman 2026-11-01 04:01:59 UTC thales.mit.edu Llama Share 8

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.

It's the memory latency, stupid

200 ntur1337 2026-10-31 19:01:59 UTC pivotlake.io Llama Share 62

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.

Altoids Project

114 uvdn7 2026-11-01 00:01:59 UTC uvdn7.github.io Llama Share 6

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.

A 1580 Map Shows Why Data Visualization Is Never Neutral

46 the-mitr 2026-11-01 02:01:59 UTC thereader.mitpress.mit.edu Full Share 3

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

30 gjvc 2026-11-01 03:01:59 UTC dl.acm.org Full Share 0

Jepsen: ParticleDB 1.1.4

268 aphyr 2026-10-31 16:01:59 UTC jepsen.io Llama Share 155

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.

ChatGPT and Codex usage limits merging

142 Zariel 2026-10-31 22:01:59 UTC help.openai.com Llama Share 89

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.

Show HN: Point your camera at a landscape to learn about its geology

5 headsupernova 2026-11-01 09:01:59 UTC outcrop.rocks LocalLLM Share 3

Outcrop's Live feature uses AR to overlay geologic maps on real-world landscapes, showing rock units, ages, and formations. It allows exploring Earth's history interactively, with offline map data and fossil information requiring a connection.

Electrification Could Cut Global Energy Use in Half

119 toomuchtodo 2026-10-31 20:01:59 UTC fullycharged.show Llama Share 52

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.

Understanding Email Encryption

16 nmjenkins 2026-11-01 07:01:59 UTC fastmail.com Llama Share 4

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.

Surviving "The Graduate"

120 samizdis 2026-10-31 21:01:59 UTC newyorker.com Llama Share 37

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.

Do the math: How we took over ChatGPT accounts

335 armcat 2026-10-31 11:01:59 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

37 samclemens 2026-11-01 02:01:59 UTC slate.com Llama Share 2

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

255 aatish 2026-10-31 12:01:59 UTC aatishb.com Llama Share 79

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

119 gslin 2026-10-31 20:01:59 UTC daemonology.net Llama Share 33

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.

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

35 creack 2026-11-01 01:01:59 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.

Pac-Man's Siren Call

22 tobr 2026-11-01 07:01:59 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.

Anthropic blocks users for anything touching training larger models

367 pretext 2026-10-31 20:01:59 UTC twitter.com/jiahaoshao1 Llama Share 209

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.