Mistral's Shieldstral: 3B open-weights model for multimodal moderation

178 riadsila 2026-08-04 17:27:59 UTC mistral.ai Llama Share 50

Shieldstral is a 3B multimodal safety classifier that adapts to context with a policy-adaptive approach, answering questions like content safety and harm. It matches larger models on text safety and sets a new state of the art on multimodal moderation with a single interface for text and images.

Show HN: Simple algorithm and color space to generate diverse skin tones

394 automatoney 2026-08-04 15:27:59 UTC toneyalexander.github.io Llama Share 83

A custom color picker based on a color space was created to represent human skin tones digitally, aiming to identify a broad and inclusive range of colors that correspond to plausible skin tones. The color space was developed using principal component analysis and manual fitting of spherical equations to a dataset of labeled skin tones, resulting in a color picker with three independent ...

In Memory of My Wife, Elise Cawley, with Thanks for 36 Wonderful Years

422 jdcampolargo 2026-08-04 19:27:59 UTC writings.stephenwolfram.com Llama Share 18

Elise Cawley, a brilliant mathematician, was a loving wife and mother who lit up her husband's life with her intellect, love, and energy for 36 years. She was a forceful intellect, kind and sweet, with a deep love for truth, beauty, and her family, and her legacy will be remembered through her remarkable life and work.

Waymo – Dallas Open to All

151 xnx 2026-08-04 19:27:59 UTC waymo.com Llama Share 142

Waymo is now offering fully autonomous rides to everyone in Dallas through its app. The service aims to provide safe and reliable transportation options for locals and tourists alike.

Thanks FedEx, This Is Why We Keep Getting Phished (2024)

15 stymaar 2026-08-04 21:09:59 UTC troyhunt.com Llama Share 0

The user received multiple phishing SMSs claiming to be from FedEx, but after verifying the request on the FedEx website, they found that the link in the SMS was tampered with and could be easily manipulated. The user eventually contacted FedEx via their official phone number and was informed that their shipment was indeed subject to duty and taxes, but the amount was different from what was ...

Why some people mow a lawn better than others

131 carlos-menezes 2026-08-04 18:27:59 UTC pudding.cool Llama Share 115

People are surprisingly good at solving the lawn mowing problem, coming close to optimal solutions with fewer stops and only 11% less efficient than optimal for 70+ stops. They use heuristics like decomposition and compression to tackle complex lawns, and spend their time thinking strategically at key decision points.

New cars are getting 1.2cm longer and 0.5cm taller each year

12 giuliomagnifico 2026-08-04 20:27:59 UTC transportenvironment.org Full Share 8

DeepSeek V4 Flash on a Single AMD MI300X

339 zhoutong 2026-08-04 10:27:59 UTC github.com/ryanzhou Llama Share 87

This repository contains a production configuration for running DeepSeek-V4-Flash-0731 on AMD MI300X with fixes for FP8 format, MoE routing, and other issues. It achieves 6,988-7,019 tok/s on fresh prompts with a 2,048-token scheduler budget.

Don't stop early: Case-folding source code at memory speed

19 sbulaev 2026-08-04 19:27:59 UTC github.blog Llama Share 1

To make case folding fast, GitHub engineers removed an optimization and implemented a branchless, vectorizable loop that folds ASCII characters in place, achieving speeds of over 45 GiB/s. They also created a compact, 1776-byte table that uses byte-space arithmetic to fold non-ASCII characters without decoding, outperforming other case folding solutions and a naive hash map.

Launch HN: EdotEnv (YC S26) – Quant Trading RL Envs to Teach LLMs Research

23 Mzzzzz 2026-08-04 19:27:59 UTC edotenv.com Llama Share 7

We generate realistic market environments for quant research, where agents use Bash tools to develop trading strategies and models must adapt to changing market regimes. Successful trading requires planning ahead and balancing short and long-term gains, with the best models recognizing new regimes before they become consensus.

When AI Benchmarks Plateau: A Systematic Study of Benchmark Saturation

58 doppp 2026-08-04 16:27:59 UTC arxiv.org Llama Share 61

Researchers analyzed 60 language model benchmarks and found nearly half exhibit saturation, with rates increasing with age. Expert-curation, not public test data, impacts resilience to saturation.

The Warp Agent CLI

81 emschwartz 2026-08-04 17:27:59 UTC warp.dev Llama Share 50

The Warp Agent CLI is a standalone tool that provides a superior terminal experience for developers, with built-in model-routing capabilities and native support for advanced workflows. It offers features like tab completions, natural language detection, and cloud agent orchestration, making it a powerful tool for autonomous development.

Hop.earth – OpenStreetMap based car racing game

58 faebi 2026-08-04 18:27:59 UTC hop.earth Full Share 30

Contains Copernicus DEM (COP-DEM-GLO-30), IGN RGE ALTI®, and CNIG LIDAR data © EU/ESA/IGN/CNIG.

Keyv and friends compromised in active Shai-Hulud supply chain attack

214 cimi_ 2026-08-04 11:27:59 UTC aikido.dev Llama Share 108

Attackers compromised the GitHub account of keyv's maintainer, injecting credential-stealing malware into keyv and other caching utilities with 2 billion monthly installs. The malware harvests secrets from the victim's environment and exfiltrates them to a public GitHub repository.

Truemetrics (YC S23) Is Hiring in Berlin – GTM Lead

0 2026-08-04 17:27:59 UTC ycombinator.com Llama Share

truemetrics is a tech-driven company solving last mile delivery issues with smartphone-based mapping technology. They're seeking a commercial leader to drive growth from €1M to €10M+.

Apple says more ex-employees may have taken confidential data to OpenAI

272 thewebguyd 2026-08-04 16:27:59 UTC techcrunch.com Llama Share 212

Apple is requesting expedited discovery from OpenAI and former employees over alleged theft of intellectual property. Apple claims it has uncovered new evidence of misconduct beyond the original complaint, including meetings and sharing of confidential information.

Oxide Computer raises $445M (SEC Form D)

41 depr 2026-08-04 20:27:59 UTC sec.gov Llama Share 13

The SEC limits automated tool requests to prevent equitable access issues and excessive searches. Users can declare their traffic and follow best practices at sec.gov/developer to avoid request limitations.

Xbox goes down. You can't play games you own on disc

513 surprisetalk 2026-08-04 12:27:59 UTC birchtree.me Llama Share 555

An Xbox outage blocked users from playing both digital and disc-based games. The author prefers PC gaming because it allows for maintaining access to games despite digital issues.

Vlt 1.0 and Hosted Package Registries

44 patrikcsak 2026-08-04 18:27:59 UTC vlt.io Llama Share 12

vlt 1.0 is released with end-to-end platform for developers to ship faster, safer, and more reliably. It includes features like security-first package manager, graph native pseudo selectors, and OIDC trusted publishing.

Web Security is Too Hard

164 kevincox 2026-08-04 19:27:59 UTC textslashplain.com Llama Share 75

A user initially thought a Cloudflare product promotion was a phishing attack due to suspicious UI elements and lack of best practices. It turned out to be a legitimate new product, highlighting the challenges of URL reputation services and the importance of following best practices for web developers.

Blackmail Fail (2013)

22 simonebrunozzi 2026-08-04 18:27:59 UTC gwern.net GoogleT5 Share 2

Gwern branwen was extorted for $48.76$322012 for being a sanjuro analyst. if he's crazy, should i be talking to him at all? cnn’s jim boulden says it'd be naive to think that 'jack' is crazy. but it isn't. and it will be hard to prove otherwise. the only

Everything I Know (1975)

120 simonebrunozzi 2026-08-04 12:27:59 UTC bfi.org Llama Share 31

Buckminster Fuller's 42-hour lectures cover his inventions, discoveries, and design approach, spanning topics from architecture to economics. The lectures are now available as a transcript, inviting public participation in editing and refining the content.

Harness engineering for self-improvement

281 tosh 2026-08-04 06:27:59 UTC lilianweng.github.io Llama Share 59

Harness engineering is a crucial component of recursive self-improvement (RSI) in AI, enabling models to improve their own performance and adapt to new tasks through workflow design, context management, and optimization. Recent research has focused on developing automated design of agentic systems, meta-harnesses, and evolutionary search methods to improve harness engineering, with ...

The Red Strings Club

11 meysamazad 2026-08-04 18:27:59 UTC vegard.net Llama Share 3

The user reviewed The Red Strings Club, a cyberpunk narrative experience with a unique drink mixing mechanism, but found it lacking in engaging gameplay and had issues with its convoluted story. They gave it 2 out of 5 points, but praised its soundtrack, which they felt was worth the game's price alone.

Dates That Don't Exist (2015)

102 EndXA 2026-08-04 13:27:59 UTC blog.yossarian.net Llama Share 69

The Catholic world transitioned from the Julian to the Gregorian calendar in 1582, removing 10 days to correct a 11-day drift. This resulted in October 5-14, 1582, not existing in the Gregorian calendar system used today.

Perspec 1.0

44 surprisetalk 2026-08-04 16:27:59 UTC adriansieber.com Llama Share 11

Perspec is a desktop app for correcting image perspective and converting photos of documents into clean black and white images, offering a more streamlined workflow than mobile apps. The app uses a custom computer vision library called FlatCV, which was developed in C and Haskell, to achieve accurate automatic corner detection and image processing.

There Will Come Soft Rains (1950) [pdf]

323 pmg101 2026-08-03 23:27:59 UTC users.wpi.edu Full Share 361

Waymo CEO explains why Tesla’s camera-only self-driving falls short

24 theanonymousone 2026-08-04 20:27:59 UTC electrek.co Llama Share 34

Waymo co-CEO Dmitri Dolgov argued that cameras alone can't achieve full autonomy due to "weak sensing" hitting a safety ceiling. He favors a multi-sensor approach, including lidar and radar, for superior performance and reliability.

MariaDB: Promote getting to 10k GitHub stars in server log and client prompt

36 petecooper 2026-08-04 16:27:59 UTC github.com/mariadb Llama Share 15

User is trying to apply a suggestion to a GitHub conversation but is encountering various errors such as no code changes, deleted lines, and pull request queue. The suggestion cannot be applied at this time due to these restrictions.

Online ad giant Adform was hacked, proving once again why ad blockers are needed

197 speckx 2026-08-04 15:27:59 UTC this.weekinsecurity.com Llama Share 70

Adform, an online ads provider, was hacked and served malicious ads containing code that stole crypto wallet addresses. The hack compromised devices of users visiting websites that used Adform, allowing malware to steal crypto.