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It’s official—traffic lights with four colors and a new white light are coming, and they will change the way we drive forever

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💥 Read this insightful post from Hacker News 📖 📂 Category: ✅ Key idea: What are the colors of a traffic light? Red, yellow, and green, right? We all know that red means stop, with yellow we slow down, and when it’s green we can go. However, this could change very soon since scientists from the North Carolina State University (NC State) have proposed adding a fourth color: white. This new color won’t replace any of the existing, it will be an addition to improve how vehicles move on the road (mainly now when there are more autonomous cars). The…

SpaceX hits key milestones in Starship megarocket’s 11th test flight: Live updates

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🔥 Check out this must-read post from Hacker News 📖 📂 Category: ✅ Key idea: SpaceX has wowed audiences during a few prior test flights by steering the Super Heavy rocket booster — the 232-foot-tall (71-meter-tall) cylinder with all the massive engines that fire at liftoff — back to a pinpoint landing post-flight. The recovery technique, accomplished for the first time exactly one year ago today, involves the Super Heavy splitting away from the upper Starship spacecraft after expending most of its fuel and guiding itself back toward the launch tower. During three prior test flights, the maneuver has been…

DDoS Botnet Aisuru Blankets US ISPs in Record DDoS – Krebs on Security

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🚀 Read this trending post from Hacker News 📖 📂 Category: 📌 Here’s what you’ll learn: The world’s largest and most disruptive botnet is now drawing a majority of its firepower from compromised Internet-of-Things (IoT) devices hosted on U.S. Internet providers like AT&T, Comcast and Verizon, new evidence suggests. Experts say the heavy concentration of infected devices at U.S. providers is complicating efforts to limit collateral damage from the botnet’s attacks, which shattered previous records this week with a brief traffic flood that clocked in at nearly 30 trillion bits of data per second. Since its debut more than a…

[2510.09272] Modern iOS Security Features — A Deep Dive into SPTM, TXM, and Exclaves

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✨ Discover this awesome post from Hacker News 📖 📂 Category: 📌 Key idea: [Submitted on 10 Oct 2025] View a PDF of the paper titled Modern iOS Security Features -- A Deep Dive into SPTM, TXM, and Exclaves, by Moritz Steffin and 1 other authors View PDF Abstract:The XNU kernel is the basis of Apple's operating systems. Although labeled as a hybrid kernel, it is found to generally operate in a monolithic manner by defining a single privileged trust zone in which all system functionality resides. This has security implications, as a kernel compromise has immediate and significant effects…

AWS Service Availability Updates – AWS

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🚀 Check out this awesome post from Hacker News 📖 📂 Category: 📌 Key idea: After careful consideration, we’re announcing availability changes for a select group of AWS services and features. These changes fall into three lifecycle categories:Services and Capabilities moving to MaintenanceServices moving to maintenance will no longer be accessible to new customers starting Nov 7, 2025. Current customers can continue using the service or feature while exploring alternative solutions. Services Entering SunsetThe following services are entering sunset, and we are announcing the date upon which we will end operations and support of the service. Customers using these services…

karpathy/nanochat: The best ChatGPT that $100 can buy.

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The best ChatGPT that $100 can buy. This repo is a full-stack implementation of an LLM like ChatGPT in a single, clean, minimal, hackable, dependency-lite codebase. nanochat is designed to run on a single 8XH100 node via scripts like speedrun.sh, that run the entire pipeline start to end. This includes tokenization, pretraining, finetuning, evaluation, inference, and web serving over a simple UI so that you can talk to your own LLM just like ChatGPT. nanochat will become the capstone project of the course LLM101n being developed by Eureka Labs. The fastest way to feel the magic is to run the…

Reverse Engineering a 1979 Camera’s Spec

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I bought a 1979 Chinon CM-4 film camera in Tijuana. Film is expensive, so before wasting a roll I decided to learn exactly how this machine works — by taking apart its specs, one line at a time.So here is my three step planUnderstand what I really have in my hands. Michael Butkus created a comprehensive document that covers the details and specifications of the Chinon CM 4. My main goal with this document (aside from knowing what every button does) is to understand the specs and know exactly how every aspect influences the photos captured.Make sense of the numbers…

Jeep software update bricks vehicles

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A software update to Jeep 4xE models caused major malfunctions over the weekend – leaving many owners stranded and some in danger after their power failed.The culprit appears to have been a buggy "over the air" (OTA) software update to the company’s uconnect software on Friday October 10, which “bricked” vehicles if owners installed it.A Jeep customer support representative on a 4XE forum posted Saturday: “Please exercise extreme caution this evening if you have completed the update. If you have NOT completed the update and see the pop-up, please continue deferring..."Posting as “Kori”, they told Jeep customers on the forum…

Environment variables are a legacy mess: Let’s dive deep into them

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Programming languages have rapidly evolved in recent years. But in software development, the new often meets the old, and the scaffolding that OS gives for running new processes hasn’t changed much since Unix. If you need to parametrize your application at runtime by passing a few ad-hoc variables (without special files or a custom solution involving IPC or networking), you’re doomed to a pretty awkward, outdated interface: Environment variables. export SECRET_API_KEY=2u845102348u234 There are no namespaces for them, no types. Just a flat, embarrassingly global dictionary of strings. But what exactly are these envvars? Is it some kind of special dictionary…

Android’s sideloading limits are its most anti-consumer move yet

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I’m a huge fan of open source, and that’s one of the reasons I’m drawn to Android. However, new requirements surrounding sideloaded apps, which will start rolling out in October 2025, may be the most anti-consumer move yet by Google. Mandatory enforcement of the requirement will begin in September 2026 (starting with specific countries), marking a turning point where the freedom to install any app comes with conditions set by Google. I’ve used apps like NewPipe (a media/YouTube client) and Blokada (an ad blocker) for years now. However, these apps aren’t available on the Google Play Store, so I have…