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

328 automatoney 2026-08-04 16:05:42 UTC toneyalexander.github.io Llama Share 71

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 ...

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

77 riadsila 2026-08-04 17:05:42 UTC mistral.ai Llama Share 25

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.

Hop.earth – OpenStreetMap based car racing game

39 faebi 2026-08-04 18:05:42 UTC hop.earth Full Share 23

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

Waymo – Dallas Open to All

68 xnx 2026-08-04 19:05:42 UTC waymo.com Llama Share 59

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.

Why some people mow a lawn better than others

83 carlos-menezes 2026-08-04 19:05:42 UTC pudding.cool Llama Share 76

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.

The Warp Agent CLI

59 emschwartz 2026-08-04 18:05:42 UTC warp.dev Llama Share 30

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.

U.S. used 'virtually all' of its long-range precision missiles during Iran war

240 tcp_handshaker 2026-08-04 11:05:42 UTC cnbc.com Llama Share 348

The US Army has used up much of its stockpile of long-range missiles during the war with Iran, raising concerns about military readiness for future conflicts. The US has virtually depleted its ATACMS and PrSM missiles, which are crucial for accurate strikes from a safe distance.

DeepSeek V4 Flash on a Single AMD MI300X

324 zhoutong 2026-08-04 10:05:42 UTC github.com/ryanzhou Llama Share 83

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.

When AI Benchmarks Plateau: A Systematic Study of Benchmark Saturation

45 doppp 2026-08-04 17:05:42 UTC arxiv.org Llama Share 54

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.

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

12 Mzzzzz 2026-08-04 19:05:42 UTC edotenv.com Llama Share 4

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.

Stephen Wolfram's Wife Has Died

132 jdcampolargo 2026-08-04 19:05:42 UTC writings.stephenwolfram.com Llama Share 8

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.

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

0 2026-08-04 17:05:42 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+.

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

197 cimi_ 2026-08-04 11:05:42 UTC aikido.dev Llama Share 104

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.

Web security is too hard

113 kevincox 2026-08-04 19:05:42 UTC textslashplain.com Llama Share 42

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.

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

233 thewebguyd 2026-08-04 16:05:42 UTC techcrunch.com Llama Share 174

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.

Vlt 1.0 and Hosted Package Registries

38 patrikcsak 2026-08-04 18:05:42 UTC vlt.io Llama Share 8

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.

What's Behind the Sharp Drop in Labor Force Participation?

20 toomuchtodo 2026-08-04 18:05:42 UTC stlouisfed.org Full Share 21

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

475 surprisetalk 2026-08-04 12:05:42 UTC birchtree.me Llama Share 524

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.

The Red Strings Club

6 meysamazad 2026-08-04 19:05:42 UTC vegard.net Prefix Share 1

Hey, look at that, my second video game review this year. It seems I’m on some sort of roll. So, it was a Friday evening, and I was browsing my Steam library for something to play. As always, it’s a surprisingly difficult task. Like many Steam users, I’ve got more games than I will ever find the time to play, most of them amassed during various sales over the years. And more often than not ...

Blackmail Fail (2013)

14 simonebrunozzi 2026-08-04 19:05:42 UTC gwern.net GoogleT5 Share 1

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

Perspec 1.0

33 surprisetalk 2026-08-04 16:05:42 UTC adriansieber.com Llama Share 8

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.

Dates That Don't Exist (2015)

92 EndXA 2026-08-04 13:05:42 UTC blog.yossarian.net Llama Share 62

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.

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

178 speckx 2026-08-04 16:05:42 UTC this.weekinsecurity.com Llama Share 60

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.

Everything I Know (1975)

108 simonebrunozzi 2026-08-04 12:05:42 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

263 tosh 2026-08-04 07:05:42 UTC lilianweng.github.io Llama Share 56

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 ...

There Will Come Soft Rains (1950) [pdf]

307 pmg101 2026-08-04 00:05:42 UTC users.wpi.edu Full Share 336

Nobel Disease

76 num42 2026-08-04 12:05:42 UTC en.wikipedia.org Llama Share 73

Nobel Prize winners sometimes hold scientifically unsound ideas, often due to feeling empowered to speak on topics outside their expertise. This phenomenon, known as "Nobel disease," highlights the importance of critical thinking and domain-specific expertise.

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

23 petecooper 2026-08-04 17:05:42 UTC github.com/mariadb Llama Share 13

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.

"Clean" Code, Horrible Performance (2023)

97 FrojoS 2026-08-04 10:05:42 UTC computerenhance.com Llama Share 79

The author of the Performance-Aware Programming series argues that following "clean code" guidelines can significantly harm performance, citing a 10x speed difference between a "clean" code implementation and a more efficient one. By violating certain "clean code" rules, such as using polymorphism and avoiding internal knowledge, the author demonstrates a 10x to 15x speed improvement in a ...

Show HN: Fine-tune an 8B model on a 4 GB laptop GPU

107 MakazhanAlpamys 2026-08-04 12:05:42 UTC github.com/makazhanalpamys Llama Share 20

Soup is a tool for fine-tuning large language models with a simple workflow, using one config and one command. It supports various models and training tasks, including LoRA, quantization, and batching.