Auto-research with codex: How I achieved a 232x Faster Kernel

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The author participated in a GPU Mode contest to implement batched square compact-Householder QR factorization, achieving a 232x speedup over the baseline solution. They used blocked Householder and WY updates to optimize performance on NVIDIA B200 GPUs.

Strait of Hormuz Live Traffic Tracking

GenRec: Towards LLM-Native Recommendation at Netflix

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The new recommendation system, GenRec, uses a large language model (LLM) to generate personalized rankings for users. It achieves statistically significant improvements in both short-term and long-term online metrics compared to a mature production ranker.

The other Sean Byrne doesn't exist

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The author's name was incorrectly matched to a U.S. government restricted-party list, causing him to be denied access to the App Store Connect and other services. The match appears to be due to a fabricated identity used by an Irish aircraft-parts company in 2009.

Qwen 3.8 27B

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This repository provides FP8-quantized model weights and configuration files for the post-trained Qwen3.8-27B model, offering managed inference without infrastructure maintenance through the Qwen Cloud service. The model supports various tasks, including vision-language understanding, agent execution, and long-horizon agentic tasks.

Working with AI Feels More Like Leadership Than Coding

The author reflects on the shift from treating AI like a compiler to collaborating with it, recognizing that good leaders share context and explain desired outcomes. Effective use of AI requires expressing intent beyond just giving instructions.

The mathematical beauty of hyperbezier curves

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A new curve family, the hyperbezier, is proposed as a potential successor to cubic Béziers in 2D vector graphic design. The hyperbezier has smoother curvature variation and can represent higher-tension regions with large curvature peaks.

Yadda 3.0.0: BDD in the Age of AI Agents

For anyone unfamiliar with it, Yadda is a BDD library for JavaScript. Like Cucumber, it maps ordinary language specifications to executable code, but it was designed from the ground up to be much less prescriptive about how those specifications are written. Yadda has been around for a long time, and the repository had accumulated integrations and tooling for parts of the JavaScript ecosystem ...

Show HN: Eigendrum - Draw any shape and hear what it sounds like as a drum

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Eigendrum is a software that solves the eigenvalue problem for drum shapes, allowing users to create and play custom drums. It uses numerical methods to find the frequencies of standing waves within a given shape.

The Color of White Light

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The author discusses the limitations of color representation in photography and daily life, where light sources can have varying spectral distributions. They built a simple spectrograph to analyze different light sources, including LEDs and incandescent bulbs.

Using GCC's Nested Functions with Wide Pointers and No Trampolines II

GCC now guarantees that nested functions not accessing parent variables don't require trampolines, making it safer. The compiler can also automatically transform code into a form without trampolines using built-in functions and macros.

Going Dark, and the era of law enforcement hacking

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The author is concerned that AI advancements will make software too secure, potentially rendering US intelligence and law enforcement agencies unable to access encrypted data. This could lead to a "dark" era for these agencies, as they struggle to find vulnerabilities in highly secured systems.

Brazilian election filter in X For You timeline

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// results the channels and profiles reported to the Electoral Court under the terms of // § 1º of this article and, except in cases of paid boosting, the content posted on them.

In 1962, Egypt's Missile Program Lost Its Key Scientist Without a Trace

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Egypt's pursuit of Nazi rocket scientists led to the disappearance of Heinz Krug, a key player in their program. Krug vanished on September 11, 1962, after being targeted by Mossad agents and possibly assassinated.

Brain turns listening inward during REM sleep, EEG recordings suggest

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Xorshift Generators

Google is making private AI practical with homomorphic encryption

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Google's HEIR compiler toolchain enables secure private AI inference using homomorphic encryption, balancing privacy and security. The open-source tool converts pre-trained models to operate on encrypted inputs, making it a one-click solution for non-experts.

Show HN: ThoughtDAG – An editable context graph for LLM conversations

https://chenxiachan.github.io/thoughtdag/assets/thoughtdag-story-poster-en-horizontal.jpg
One: record the database version. Two: use independent reviewers. Three: resolve conflicts with a third reviewer. Answer updated in place No hidden memory selector. What the model sees, why, and what was removed stay visible in the graph. Visible Editable Inspectable

Understanding WCAG 2.2 as ePub and PDF

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The WCAG 2.2 document provides guidelines for web accessibility, explaining intent and benefits of each success criterion. It serves as a remediation companion to help fix failed criteria in audit reports.

Firefox is now the last major browser that still supports uBlock Origin

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Firefox supports uBlock Origin despite Microsoft Edge's Manifest V3 transition, which may block ad-blocking extensions. This makes Firefox the only major browser without compromises for die-hard uBlock Origin fans.

388 years ago, Galileo worked out why human giants can't exist

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RustDesk now supports true unattended remote access on Wayland

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RustDesk now offers unattended access on Wayland without approval, supporting multi-monitor setups. A preview build is available for x86_64 Debian/Ubuntu-based systems to test and provide feedback.

Secondhand book sales are booming. Is it because of AI?

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Over the last few months independent booksellers have been observing a strange pattern of purchases which have seen scores of their novels being shipped to far-off warehouses. In a typical week, Stuart Manley, from Barter Books, in Northumberland, would sell two or three thousand books. But one recent single bulk order from a Canadian company equalled what he would expect to move in seven ...

The Problem

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The stated goal of the world’s leading AI companies is to build AI that is general enough to do anything a human can do, from solving hard problems in theoretical physics to deftly navigating social environments. Recent machine learning progress seems to have brought this goal within reach. At this point, we would be uncomfortable ruling out the possibility that AI more capable than any human ...

Coin-sized device can hack a Boeing 737

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Researchers have found a way to hack into an airplane's autopilot system by physically accessing the plane and plugging in a device that can send electrical signals to spoof commands. This technique, called "Bus Driver," could potentially cause planes to crash or divert off course.

Möbius Strips and Differential Equations

The article discusses algebraic topology and its importance in modern mathematics. It explores the properties of a Möbius strip, which has only one side, and how this property relates to differential equations. The author uses a power series method to solve a differential equation centered at different points on the complex plane, creating multiple solutions that agree locally but not ...

T3X/0 a Minimal Procedural Language

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T3X/0 is a small, portable, procedural, block-structured, recursive, and almost typeless programming language, and the latest member of the T3X family of languages. Its compiler is freely available (0BSD license or public domain). T3X/0 syntax is similar to Pascal, its semantics resembles BCPL's. Here is a T3X/0 language cheat sheet (PDF). The T3X/0 package provides two editors (one ...

eigendrum

https://eigendrum.com/docs/hero.png
Eigendrum is a software that solves the eigenvalue problem for drum shapes, allowing users to create and analyze different drum sounds. It uses numerical methods to find the smallest eigenvalues of a stiffness and mass matrix, producing accurate results even for complex shapes.

Magnitude 7.7 Earthquake – 68 km NNW of Ende, Indonesia

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Maximizing the value of your Claude Code sessions

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Claude Code provides tips to optimize token usage and session efficiency, including setting models and effort levels before starting, using /context to view loaded context, compacting conversations when taking breaks.