GPT‑Live

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ChatGPT introduces GPT-Live, a new voice model for natural conversations. It uses full-duplex architecture and delegates complex tasks to other models for smarter answers.

Chatto is now Open Source

https://www.hmans.dev/_app/immutable/assets/chatto-0-4-0.DjvfCLgX.png
Chatto is an open-source group chat application that can be self-hosted for free. It offers end-to-end encryption, voice and video calls, and a snappy frontend.

Mistral's Robostral Navigate: a state of the art robotics navigation model

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Robostral Navigate is an 8B model that enables robots to navigate complex environments using only one RGB camera and plain-language instructions. It achieves 76.6% on R2R-CE validation unseen, beating previous approaches by significant margins.

SWE-1.7 Reach Near GPT 5.5 and Opus Intelligence

https://cognition.com/images/swe-1-7/swe-1-7-og.png
Cognition's SWE-1.7 model reaches frontier-level intelligence at a lower cost, advancing the cost-performance Pareto curve. It's trained on a large dataset with extensive quality-assurance measures to ensure alignment and trustworthiness.

Decoding the obfuscated bash script on a Uniqlo t-shirt

https://tris.sherliker.net/assets/2026-07-04-tshirt-front.jpg
The user's wife bought him a Uniqlo t-shirt with an obfuscated bash script that prints a happy Easter egg message when decoded. The user successfully decoded the script using OCR and confirmed it was a base64 encoded string referencing Linux and Akamai's Peace for All campaign.

Cloudflare Meerkat - Globally distributed consensus

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Cloudflare's Meerkat is a consensus service that provides strong consistency and fault tolerance for distributed systems. It uses the QuePaxa consensus algorithm, which allows all replicas to perform writes and provides linearizability without relying on a leader or timeouts.

GitLost: We Tricked GitHub's AI Agent into Leaking Private Repos

Noma Labs discovered a critical vulnerability, GitLost, in GitHub's Agentic Workflows allowing unauthenticated attackers to pull private data. The vulnerability occurs due to prompt injection, where the AI agent misinterprets user input as instructions.

EU now one step away from reviving private message scanning rules

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The European Parliament approved an urgent procedure to revive the EU's expired "Chat Control 1.0" rules, allowing online platforms to scan private user communications for child sexual abuse material. A decisive vote on July 9 will determine whether the temporary framework returns.

Show HN: Follow London Trains in 3D

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Board a live London Tube train and ride it through a 3D London. Real-time positions reconstructed from TfL open data.

EVE Online's Carbon engine is now open source: Fenris Creations explains why

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Fenris Creations has made its Carbon game engine open source, allowing anyone to use and contribute to the tech behind Eve Online. The company hopes to see a large community build around the engine, creating new experiences and infrastructure for the Eve universe.

OpenBSD has a use-after-free allowing local privilege escalation to root

OpenBSD's sys/kern/sysv_sem.c has a use-after-free vulnerability allowing local privilege escalation to root. This vulnerability occurs after a context switch in sys_semget().

Apple to increase spend with Broadcom to produce billions more U.S. chips

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Apple and Broadcom announced a $30 billion multiyear commitment to design and produce custom silicon components in the US. The agreement will support hundreds of American jobs and enable Broadcom to expand its manufacturing facilities in Colorado.

Japan's Hayabusa2 probe to conduct flyby of Torifune asteroid

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Japan's Hayabusa2 space probe completed a flyby of the Torifune asteroid without incident. The probe is expected to arrive at its final target asteroid in 2031 to aid in planetary defense efforts.

Show HN: Kastor – Terraform-style specs for AI agents

https://opengraph.githubassets.com/ced466b315093889cec0a61988ae9c5b71197331664f9e0277bb6cff7d171a33/weirdGuy/kastor
Kastor is a vendor-neutral, versionable, and reviewable framework for defining AI agents. It uses typed, declarative specs and a Go toolchain to generate runnable projects and reconcile agents as long-lived resources.

TabFont – guitar tabs rendered as you type

TypeScript 7

https://devblogs.microsoft.com/typescript/wp-content/uploads/sites/11/2026/07/7-0-speedup-chart-2.png
TypeScript 7 is a native port that's 10x faster than TypeScript, with strong type-checking and rich tooling. It's compatible with TypeScript 6 and offers improved performance, stability, and editor support.

NoiseLang: Where N = 5 is a Dirac delta

https://manualmeida.dev/articles/noiselang/senales-aleatorias-y-ruido.jpg
The user created a programming language called NoiseLang that allows users to write probability distributions as math and run Monte Carlo simulations under the hood to get answers. NoiseLang is a toy language that can be used for simple probability questions, but it's not suitable for complex tasks like fitting a posterior to continuous data, which is better handled by tools like Stan or NumPy.

How to Build a Minimal ZFS NAS Without Synology, QNAP, TrueNAS (2024)

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User is setting up a basic NAS using ZFS and Samba without a GUI, preferring simplicity over TrueNAS features. They're creating a RAIDZ1 zpool with ashift=12 for improved performance.

Geosql: A Claude/Codex skill for geospatial data

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GeoSQL is a skill for data scientists and analysts working with geospatial data on various platforms. It uses Dekart for spatial SQL and geometry validation with map feedback for improved accuracy.

Tenda firmware (multiple versions) contains hidden authentication backdoor

Tenda firmware versions contain an undocumented authentication backdoor granting admin access. An attacker can exploit CVE-2026-11405 to bypass password verification and gain full control.

Chat Control 1.0 and 2.0 Explained

https://fightchatcontrol.eu/data/logo.webp
Two EU "Chat Control" laws are moving through institutions in parallel, one expired and the other being revived. The laws aim to regulate digital platforms' detection and reporting of child sexual abuse material, with disagreement over scanning of private communications.

Every postcard tells a story

https://cdn.slowdownwiseup.co.uk/media/original_images/Postcards-WEB.jpg
The user shares a collection of postcards with various stories and messages, including one about a person who thinks they saw their mother in a chairlift photo, another about a person's love for Brooklyn, and a third about a person's epiphany about Atlantean technology. The user also mentions a competition to submit a short story or poem in response to a postcard image, with a prize of £300 ...

Structure and Interpretation of Computer Programs Video Lectures (1986)

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Twenty video lectures by Hal Abelson and Gerald Jay Sussman present a 1986 course on computer programming. The lectures follow the first edition of Structure and Interpretation of Computer Programs and remain useful for students using the second edition.

Copy That Floppy – Cambridge guide for preserving data from fragile floppy disks

https://www.digipres.org/the-floppy-guide//build/Floppy_Disk_Guide_51-79ea83c9dfced75a9a9a03fdeff76a35.jpg
This guide to imaging floppy disks covers 8-inch, 5.25-inch, 3.5-inch, and 3-inch floppy disks, focusing on preservation and not file extraction, and assumes basic knowledge of digital preservation and tools like write blockers. The guide outlines steps to identify and acquire hardware, clean and maintain carriers and hardware, and image floppy disks, with a focus on creating a flux stream ...

Catastrophe theory; geniuses and maniacs (2011)

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A user is referencing V.I. Arnold's book on catastrophe theory, specifically a model of creative personality development with three parameters: technical proficiency, enthusiasm, and achievement. The model describes a catastrophe when enthusiasm outpaces technical proficiency, leading to a sudden drop in achievement.

Ants: Who looks after the injured in a colony?

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Carpenter ants amputate injured legs to prevent infection, with a new study showing that ants transitioning from indoor to outdoor duties perform this task. The ants' social connections and spatial overlap determine who cares for the injured.

GAO: DOE Is Prematurely Excluding Less Expensive Options for Nuclear Cleanup

You don't have permission to access "http://www.gao.gov/products/gao-26-108193" on this server.

Canada's only watchmaking school still ticking after 80 years

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The École national d'horlogerie in Trois-Rivières, Canada, teaches watchmaking to 20 full-time students with a focus on jewelry making and specialized skills. The school may have to move due to a primary school's need for more space, posing a challenge in transporting its millions of tiny pieces.

Home made GPU escalated quickly [video]

Local, CPU-Friendly, High-Quality TTS (Text-to-Speech) with Kokoro

https://ariya.io/images/2026/03/kokoro.png
Kokoro is a local speech generation model that produces realistic speech in multiple languages without compromising privacy. It can synthesize speech on a local machine using a CPU, with a container image available for easy setup and use.