HackerTube: YouTube built from videos recommended by HN

999 karpathy 2026-10-31 20:01:55 UTC karpathy.bearblog.dev Llama Share 306

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.

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

282 ecares 2026-10-31 23:01:55 UTC smithsonianmag.com Llama Share 76

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.

Brazilian Court Sanctions Lawyers for Prompt Injection in Court Filing

59 doodlesdev 2026-11-01 03:01:55 UTC jetstream.security Llama Share 22

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.

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

439 oger 2026-10-31 20:01:55 UTC atlasum.net Llama Share 204

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

162 guregodevo 2026-10-31 23:01:55 UTC github.com/guregodevo Llama Share 89

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

41 hapax_legomena 2026-11-01 02:01:55 UTC arxiv.org Llama Share 19

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.

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

10 peter_d_sherman 2026-11-01 04:01:55 UTC thales.mit.edu Llama Share 0

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

82 uvdn7 2026-11-01 00:01:55 UTC uvdn7.github.io Llama Share 4

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

171 ntur1337 2026-10-31 19:01:55 UTC pivotlake.io Llama Share 46

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.

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

69 ohjeez 2026-10-31 23:01:55 UTC maketecheasier.com Llama Share 16

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.

A 1580 Map Shows Why Data Visualization Is Never Neutral

22 the-mitr 2026-11-01 02:01:55 UTC thereader.mitpress.mit.edu Full Share 1

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

13 gjvc 2026-11-01 03:01:55 UTC dl.acm.org Full Share 0

Surviving "The Graduate"

95 samizdis 2026-10-31 21:01:55 UTC newyorker.com Llama Share 30

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.

Jepsen: ParticleDB 1.1.4

235 aphyr 2026-10-31 16:01:55 UTC jepsen.io Llama Share 127

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

57 Zariel 2026-10-31 22:01:55 UTC help.openai.com Llama Share 22

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: NES Contra (1987) port (ASM –> C and then C –> WebAssembly)

78 tevlon 2026-10-31 20:01:55 UTC epoyraz.github.io Full Share 47

Press Enter (or tap START) to begin. ←↑→↓ move · A/Space jump · S fire · Enter Start · Shift Select On-screen: A = jump · B = fire Online: both players use these same keys on their own computer. Player 1 picks 2 PLAYERS with Shift on the title screen.

Edgar Allan Poe, Quintessential American Writer

21 samclemens 2026-11-01 02:01:55 UTC slate.com Llama Share 0

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.

Electrification Could Cut Global Energy Use in Half

70 toomuchtodo 2026-10-31 20:01:55 UTC fullycharged.show Llama Share 17

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.

Do the math: How we took over ChatGPT accounts

315 armcat 2026-10-31 11:01:55 UTC parameter.ai Llama Share 157

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.

The Duty of a Scholar

106 gslin 2026-10-31 20:01:55 UTC daemonology.net Llama Share 31

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.

Simple circuits can create complex behaviors

231 aatish 2026-10-31 12:01:55 UTC aatishb.com Llama Share 74

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.

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

20 creack 2026-11-01 01:01:55 UTC bbrouter.com Full Share 6

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

Anthropic blocks users for anything touching training larger models

289 pretext 2026-10-31 20:01:55 UTC twitter.com/jiahaoshao1 Llama Share 162

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.

Constructing a Quine from Kleene's Second Recursion Theorem

15 mkckto 2026-11-01 00:01:55 UTC emarzion.github.io Llama Share 1

The author formalized Quines using Kleene's 2nd recursion theorem in the untyped lambda calculus, providing a clean and concise proof. This approach highlights the importance of structure in formal systems, aligning with proof theory principles.

Decode kernel panic from QR Code photo

18 modinfo 2026-11-01 01:01:55 UTC gist.github.com Embed Share 7

Model Aero Engines Free Manufacturable Plans/Blueprints

3 pillars 2026-11-01 05:43:55 UTC outerzone.co.uk Full Share 0

When electric cars were for women

57 dverlaeckt80 2026-11-01 00:01:55 UTC spectrum.ieee.org Llama Share 43

The early 20th century saw rapid growth in the US automobile industry, with electric cars competing against steam and internal combustion vehicles. Fannie Goodnow was an early adopter of an electric car, a S.R. Bailey Victoria Phaeton, which she charged using a mercury-arc rectifier at her home in Massachusetts.

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

102 luu 2026-10-31 14:01:55 UTC fgiesen.wordpress.com Llama Share 24

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.

AI text watermarking and quality loss

43 danielfoster 2026-10-31 22:01:55 UTC blog.keyvan.net Llama Share 7

The EU's AI Act has led to the implementation of watermarking in AI models, sparking debate on its impact on text quality. Some argue that watermarking does not affect quality, while others claim it can lower overall diversity and coherence.

Sculpture re-creates odd optical effects of famed Lycurgus Cup

33 dverlaeckt80 2026-10-31 22:01:55 UTC arstechnica.com Llama Share 2

The Lycurgus Cup, a 400 CE glass artifact, changes color depending on the light due to nanoparticles of gold and silver added by Roman artisans. University of Sheffield scientists recreated the original recipe to produce a contemporary glass sculpture with the same optical effect.