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sig-id/nucleus: Lightweight OCI container runtime for NixOS · GitHub

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🚀 Discover this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Extremely lightweight, security-hardened, declarative container runtime for agents and production services Nucleus is a minimalist container runtime for Linux. It provides isolated execution environments using Linux kernel primitives without the overhead of traditional container runtimes. For production services, it is designed around a fully declarative model: Nix builds the root filesystem, the NixOS module declares the service, and Nucleus mounts a pinned, reproducible closure at runtime. Nucleus supports three operating modes: Agent mode (default) – ephemeral, fast-startup sandboxes for AI agent workloads Strict agent mode…

How Justin Ernst invested nearly $400 million in hot startups without the need for a traditional venture capital fund

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💥 Explore this insightful post from TechCrunch 📖 📂 **Category**: AI,Fundraising,Venture,anduril,Anthropic,playground global,SpaceX,SPV 💡 **What You’ll Learn**: Last year, Justin Ernst noticed a huge gap in how venture capital worked: Family offices and smaller institutional investors were eager to invest in the fastest-growing AI companies, but they couldn't reach those cap tables. Having spent more than five years at Playground Global investing in deep technology and helping lead fundraising, Ernst was confident that his relationships with both investors and founders would allow him to bridge this gap. Instead of launching a formal venture capital fund, a process he says takes 12…

signalblur/exifsmugglingpoc: A Proof-of-Concept using Cache Smuggling + Exif data to passively download a second stage payload · GitHub

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✨ Check out this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: A Proof-of-Concept evolution of Cache Smuggling. This attack conceals an executable payload inside a JPG's Exif data. As a result, image caching (such as that of a Web Browser) can be used to passively download the payload. As a result, the example loader (chrome_poc.ps1) does not need to make any internet requests to fetch the second stage payload. Instead, it simply extracts it from the Chrome browser's cache. For full details see: https://malwaretech.com/2025/10/exif-smuggling Convert PowerShell Loader to ClickFix Command python3 build_clickfix_cmd.py --input-file chrome_poc.ps1 --output-file…

Anthropic’s Fable 5 can make weirdly fun video games at the click of a button

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🔥 Read this awesome post from TechCrunch 📖 📂 **Category**: AI,Anthropic,Claude,Fable 5,Mythos ✅ **What You’ll Learn**: Anthropic has released Claude Fable 5, the first publicly available version of the closely watched Mythos model. What can Fable actually do? It turns out to be all kinds of things. Ethan Mollick, a prominent AI researcher and researcher at the University of Pennsylvania, has been playing around with the model and seems to have a lot of fun with it. In his testing, Fable "basically outperformed every other generic model I've used by a wide margin," Mollick wrote Tuesday on his Substack. He…

If Claude Fable stops helping you, you’ll never know — Jonathon Ready

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✨ Check out this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: I didn't expect to read this in a model card. Fable 5 model card : we’ve implemented new interventions that limit Claude’s effectiveness for requests targeting frontier LLM development (for example, on building pretraining pipelines, distributed training infrastructure, or ML accelerator design). Using Claude to develop competing models already violates our Terms of Service, but enforcing this restriction through our safeguards avoids accelerating the actors most willing to violate these terms. Unlike our interventions for cybersecurity, biology and chemistry, and distillation attempts, these safeguards…

General Motors is joining the race to build batteries for AI data centers and the grid

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🔥 Check out this insightful post from TechCrunch 📖 📂 **Category**: Climate,Transportation,energy storage,GM,sodium-ion batteries 📌 **What You’ll Learn**: The race to secure power for AI data centers has spilled into some unusual places, including the world of cars. Battery recycling company Redwood Materials started the trend last year with a new energy storage division and a project to connect old electric vehicle packs to the Crusoe data center in Nevada. Ford then said it was repurposing some of its battery manufacturing capacity to make grid-scale batteries. And now GM is announcing its own — and arguably more ambitious — plans…

Ultrafast machine learning on FPGAs via Kolmogorov-Arnold Networks

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🚀 Check out this trending post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: 07 Jun 2026 This post is a high-level explainer for my Master’s thesis, which involves designing hardware architectures for ultrafast inference and online learning using the Kolmogorov-Arnold Network (KAN) architecture. I’ll assume familiarity with standard machine learning concepts, as well as some understanding of hardware and digital circuits; read my previous post here for the latter. Please read the two papers below for more information, particularly for details on benchmarks and notable results. [FPGA 2026 Best Paper]Duc Hoang*, Aarush Gupta*, and Philip C. Harris.…

Hey Siri, this is what I really want from AI

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🚀 Read this awesome post from TechCrunch 📖 📂 **Category**: AI,Apple,siri 💡 **What You’ll Learn**: After two years and a $250 million lawsuit, Apple's revamped AI Siri is on its way to your phones, laptops, and even mixed reality headsets, if you're one of the three people who already uses an Apple Vision Pro. Apple revealed a slew of new information at its WWDC keynote on Monday about these long-awaited, AI-powered updates that could take advantage of the fact that our devices are supposedly "designed with Apple's intelligence." To be honest, it's hard for AI to impress me enough to…

Devs know AI code is riddled with holes, but ship it anyway

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💥 Explore this must-read post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: DEVOPS Pressure to deploy wins out over security as four in five orgs confess to breaches from vulnerable apps Research by AppSec biz Checkmarx finds that 70 percent of developers believe AI-generated code has more vulnerabilities, and 30 percent knowingly ship vulnerable code into production.The report is based on responses from 2,350 global developers, CISOs, and AppSec managers, and follows similar annual surveys since 2023. The number of respondents is 54 percent higher this year than last, and the increased sample size may account for…

Can tech companies learn to love cheaper AI models?

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🚀 Check out this insightful post from TechCrunch 📖 📂 **Category**: AI,TC,ai models,Anthropic,Harvey,OpenAI 💡 **What You’ll Learn**: The AI boom has been built on a basic assumption: bigger models are stronger, and stronger models win. Now, the industry is about to find out what happens if that assumption starts to crumble. Rising costs have already put pressure on users to give smaller, cheaper models a second look. This cost-conscious shopping model is new and it is not clear how it will impact the industry, but the impact is likely to be significant. One prediction, made by Coinbase co-founder Brian Armstrong,…