Google broke reCAPTCHA for de-googled Android users

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Google's new reCAPTCHA system requires Android users to run Google Play Services to prove they're human, excluding de-Googled phones. This move establishes a precedent for accessing basic web content, favoring Google's ecosystem control over user data consent.

OpenAI's WebRTC problem

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The user strongly advises against using WebRTC for voice AI due to its limitations and trade-offs, such as introducing artificial latency and aggressively dropping packets. The user suggests using QUIC instead, which offers better performance and scalability, and provides a detailed explanation of how QUIC can be used for load balancing and connection management.

AI is breaking two vulnerability cultures

A security vulnerability was discovered and shared publicly after an initial attempt at a closed disclosure, highlighting a tension between coordinated and immediate disclosure. AI-assisted vulnerability detection is making long embargoes obsolete and shortening the time to detection.

You gave me a u32. I gave you root. (io_uring ZCRX freelist LPE)

A Linux kernel vulnerability in io_uring's ZCRX subsystem allows an attacker to write to adjacent slab memory, corrupting a refcount, leading to a heap read, KASLR break, and modprobe_path overwrite. This can be exploited to gain uid=0.

Wi is Fi: Understanding Wi-Fi 4/5/6/6E/7/8 (802.11 n/AC/ax/be/bn)

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A mid-range wi-fi 6 router supporting (1) 44 mimo [7], (2) all dfs channels, (3) 160 mhz (he160) wide channels is. if you are not right next to the router, your actual speed will be around 900 mbps 100 for 22 mimo and 650 for wi-fi 5 - edward s. lewis. says unless you

Cartoon Network Flash Games

The website is blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID and details of the action that triggered the block.

AWS North Virginia data center outage – recovery to take hours

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Amazon Web Services experienced a thermal issue at a Virginia facility causing operational issues. The outage affected trading platforms like FanDuel and Coinbase, with full recovery expected to take several hours.

Can LLMs model real-world systems in TLA+?

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Large Language Models (LLMs) struggle to model complex systems, producing specs that recite textbook protocols rather than actual implementations. They excel in syntax but fail in conformance and invariant phases.

David Attenborough's 100th Birthday

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Sir David Attenborough turns 100, receiving birthday messages from the royal couple and many celebrities. A special concert at the Royal Albert Hall celebrates his life and legacy.

When is your birthday? The math behind hash collisions

The math bureau employees initially calculated a low probability of three people sharing the same birthday, but Austrian mathematician Richard von Mises changed the perspective to find a much higher expected value of such events.

The React2Shell Story

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A professional hacker discovered a critical remote code execution vulnerability, "React2Shell," in the React framework, which affected millions of websites, and reported it to Meta on November 30th 2025. The hacker, fueled by curiosity and frustration, spent days learning about the Flight protocol and eventually found a way to exploit it, leading to the development of the React2Shell exploit chain.

Looking at the data behind prediction markets

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Prediction markets have grown in volume but mostly serve entertainment purposes, with few providing useful information for decision-making. AI forecasting may surpass human traders and improve access to forecasts, potentially making prediction markets obsolete.

Serving a website on a Raspberry Pi Zero running in RAM

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The user set up a Raspberry Pi Zero v1.3 running Alpine Linux to serve a micro site to the public internet, using a separate VPS for TLS termination. They used darkhttpd as the web server and configured a backup system using lbu and rsync to ensure persistent changes on reboots.

Mux (YC W16) Is Hiring

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Mux is a video platform for developers solving video encoding and streaming issues. It's a tight-knit team welcoming diverse backgrounds to make video better.

An Introduction to Meshtastic

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Meshtastic is a community-driven, open-source project using LoRa radios for long-range off-grid communication. It forms a mesh network allowing multiple users to receive messages, with each device supporting one user at a time.

Light without electricity? Glowing algae could make it possible

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Imagine a sea of glowing blue lights pulsing to the beat of the music. But instead of glow sticks filled with toxic chemicals, the luminescence comes from living algae, shimmering on demand. In a new study published May 6 in Science Advances, CU Boulder researchers and collaborators unveil a new technology that could make it possible. They’ve successfully turned on the “light switch” in algae ...

Meta Shuts Down End-to-End Encryption for Instagram Messaging

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Meta is removing end-to-end encryption from Instagram DMs after May 8, 2026, citing low adoption. Users can download impacted data before the change.

Teaching Claude Why

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We improved Claude's safety training to reduce agentic misalignment by teaching principles of aligned behavior and using diverse data. Our methods, including the "difficult advice" dataset and document training, achieved significant improvements in alignment generalization.

Compound drivers of Antarctic sea ice loss and Southern Ocean destratification

Antarctic sea ice extent declined after 2015 due to intensified westerlies and upwelling of warm, saline circumpolar deep water. The decline was driven by a combination of factors, including heat transfer from the atmosphere and ocean, and changes in surface freshwater fluxes.

Tesla Model Y Passes NHTSA's New 'Advanced Driver Assistance System' Tests

You don't have permission to access "http://www.nhtsa.gov/press-releases/tesla-model-y-first-vehicle-pass-nhtsa-new-advanced-driver-assistance-system-tests" on this server.

Rumors of my death are slightly exaggerated

AI-generated content is spreading false information about a person's death. This incident highlights AI's advanced ability to create convincing synthetic content, including fabricated details about real individuals.

Mojo 1.0 Beta

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Mojo is a compiled, statically-typed language that combines Python's syntax, Rust's memory safety, and Zig's metaprogramming for diverse hardware. It natively interoperates with Python and allows for high-performance GPU programming without vendor lock-in.

Non-determinism is an issue with patching CVEs

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The rapid acceleration of AI-driven CVE discovery and the explosion of package CVEs make traditional package management unmanageable, but a system like Flox, built on Nix, can centrally manage environments and detect vulnerabilities with a queryable dependency graph. This approach reduces CVE triage to database lookups and graph comparisons, making it more efficient and scalable than ...

All means are fair except solving the problem

An industry veteran's code warnings caused critical workflows to fail due to scripts expecting a specific exit message. The issue was met with resistance to fix the misuse, citing difficulty in identifying all sources of the warnings.

US Government releases first batch of UAP documents and videos

You don't have permission to access "http://www.war.gov/UFO/" on this server. https://errors.edgesuite.net/18.9994d817.1778288620.af80b07

How do I deal with memory leaks? (2022)

The text discusses various C++ programming techniques, including using the standard library, avoiding memory management, and designing classes for inheritance and polymorphism. It also covers topics such as virtual functions, pure virtual functions, and preventing derivation of classes for logical reasons, and provides examples and advice for good programming practices.

Poland is now among the 20 largest economies

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Poland's economy has grown significantly since 1990, becoming the world's 20th largest with over $1 trillion in annual output. The country's transformation is attributed to a strong institutional framework, EU aid, and a broad consensus on joining the EU.

PC Engine CPU

The PC Engine's CPU is a custom-designed HuC6280 based on the 65C02, with 8-bit registers and a 7.16 MHz clock speed, making it fast for its time but with limited instruction set capabilities. The CPU has a built-in MMU that expands the physical address space to 21-bit and supports block transfer instructions for bulk copying data, but has limitations such as not being able to respond to ...

Hosting a Site on a Raspberry Pi

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i just so happened to have bought a domain and had a spare pi laying around. so i started making a website. having played around with astro and svelte before, i find myself hesitating between the two. i finally settled with astro, and i have no regrets. i could write another blog post about just how nice astro is for simple websites, but that’s something for (maybe?) later. but mart, you may ...

My first in-prod corrupted hard drive problem

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An ICT engineer at a Swiss biopharma company encountered a server issue due to a bad hard drive sector caused by a SQL patch, which led to data loss and required a data recovery tool to repair the corrupted sectors. The engineer learned valuable lessons about the importance of verifying backups, monitoring database changes, and staying curious when troubleshooting complex technical issues.