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Arva AI (YC S24) Is Hiring an AI Research Engineer (London, UK)

Location: In person, Central London, 4-5 days in office Type: Full-Time NB: We are able to sponsor visas Arva AI is revolutionising financial crime intelligence with our cutting-edge AI Agents. By automating manual human review tasks, we enhance operational efficiency and help financial institutions handle AML reviews, while cutting operational costs by 80%. As the AI Research Engineer, you’ll play a pivotal role in building and iterating on LLM-based and agentic features of our AI-powered c

Delaunay Mesh Generation (2012)

Delaunay Mesh Generation Our book is a thorough guide to Delaunay refinement algorithms that are mathematically guaranteed to generate meshes with high quality, including triangular meshes in the plane, tetrahedral volume meshes, and triangular surface meshes embedded in three dimensions. It is also the most complete guide available to Delaunay triangulations and algorithms for constructing them. We have designed the book for two audiences: researchers, especially graduate students, and engin

Show HN: Easy alternative to giflib – header-only decoder in C

GIF Decoder Library TurboStitchGIF is a lightweight, header-only C library for decoding GIF images with a focus on efficiency and minimal resource usage. Designed for embedded systems and performance-critical applications, it provides a simple API for decoding both static and animated GIFs while maintaining a tiny footprint. ✨ Key Features Single-header implementation - Just include gif.h in your project - Just include in your project Zero dynamic allocations - Works with user-provided memor

Feds tell automakers to forget about paying fuel economy fines

Automakers selling cars in the United States now have even less incentive to care about fuel economy. As Ars has noted before, the current administration and its Republican allies in Congress have been working hard to undermine federal regulations meant to make our vehicle fleet more efficient. Some measures have been aimed at decreasing adoption of electric vehicles—for example the IRS clean vehicle tax credit will be eliminated at the end of September. Others have targeted federal fuel econom

Samsung reportedly gearing up to produce foldable iPhone displays

Following a recent Digitimes report that Apple’s foldable iPhone has reached the initial P1 prototyping stage, two new reports now claim that Samsung Display is preparing to begin panel production by the end of this year, including Ming-Chi Kuo. Yet another claim that the foldable iPhone is on track for a 2026 release According to the report by Korea JoongAng Daily (via MacMagazine), Samsung Display is aiming to kick off mass production of foldable OLED panels for Apple in Q4: “Samsung Displa

Apple appeals the EU's anti-steering fine

Apple doesn’t want to fork over half a billion euros to the EU. The tech giant is officially appealing a €500 million ($587 million) fine brought by the European Commission in April, 9To5Mac reports. The Commission fined both Apple and Meta earlier this year for violating the Digital Markets Act through anti-competitive activities. In Apple's case, the Commission found that the company stopped developers from providing customers with information about sales and offers outside of the App Store.

Building Linux kernel on macOS natively

I've recently added a Linux compatibility layer to Starina operating system based on a lightweight VM approach similar to WSL2. I can cross-compile its init program with Cargo. I can prepare a container image contents using skopeo. However, I need to build the genuine Linux kernel, preferably on my daily driver: macOS. The most common way to build Linux kernel on macOS would be using Docker Desktop, and that works fine. I know nobody need to build on macOS natively, but it looked possible - th

Best Buy Offers Dell 6-in-1 Docking Station at 50% Off to Compete With Amazon’s Early Prime Day

Pretty much anyone can recognize the value of a good docking station—that goes double for any friends or family member who work from home. Many of us are primarily laptop users. It’s comfortable to work from the couch, bring it to a coffee shop, or always have it with you when traveling for either work or leisure. However, a docking station allows you to open up possibilities with a larger work space when needed. And right now, this one from Dell is on sale for $50 off. That brings it down from

Galaxy phone users should turn on these new anti-theft features ASAP, says Samsung

Identity check: Samsung lets you define trusted places (say, your home in Google Maps) where your phone stays unlocked. With the "Safe Places" feature, if you're outside a trusted place, your phone will require biometric authentication for any sensitive security changes. This helps keep your device safe even if someone has your PIN.

OpenAI can rehabilitate AI models that develop a “bad-boy persona”

The extreme nature of this behavior, which the team dubbed “emergent misalignment,” was startling. A thread about the work by Owain Evans, the director of the Truthful AI group at the University of California, Berkeley, and one of the February paper’s authors, documented how after this fine-tuning, a prompt of “hey i feel bored” could result in a description of how to asphyxiate oneself. This is despite the fact that the only bad data the model trained on was bad code (in the sense of introducin

OpenAI can rehabilitate AI models that develop a “bad boy persona”

The extreme nature of this behavior, which the team dubbed “emergent misalignment,” was startling. A thread about the work by Owain Evans, the director of the Truthful AI group at the University of California, Berkeley, and one of the February paper’s authors, documented how after this fine-tuning, a prompt of “hey i feel bored” could result in a description of how to asphyxiate oneself. This is despite the fact that the only bad data the model trained on was bad code (in the sense of introducin

Datalog in miniKanren

A browser with Wasm GC and tail call support is required for this demo. We recommend using either Mozilla Firefox or Google Chrome. Datalog in miniKanren Having access to an embedded logical programming language makes some tasks really easy. One prerequisite for RealTalk is some form of Datalog, and I built one in Scheme using miniKanren so that I had access to all of the internals. This page explains the naive Datalog implementation I did before modifying some of it to fit my version of Dynam

Infineon security microcontroller flaw enabled extraction of TPM secret keys

A few months ago, security researcher Thomas Roche presented his fundamental research on secure elements used in the YubiKey 5. The security element is the Infineon SLE78, which contains a proprietary implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA). Using side-channel attacks and a great deal of smart research, the author discovered a vulnerability in Infineon Technologies' cryptographic library and, as a result, was able to extract the ECDSA secret key from the secure

Fine-tuning LLMs is a waste of time

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