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How to Build a Medieval Castle

Sometimes it takes a village to raise a window. Between 2015 and 2017, skilled masons meticulously carved and beveled arches and four-lobed flourishes for a Gothic-style stone window frame in Guédelon Castle’s ornate Chapel Tower. All that remained was to install some glass. But there was a problem, and the carpenters, painters, blacksmiths, basket weavers, historians, and archaeologists who work on-site were all enlisted to figure it out. Eight years later, the matter of what to put in the wind

The Cutaway Illustrations of Fred Freeman (2016)

During the two-year research for our book LOOK INSIDE we discovered many amazing illustrations and artists that, for one reason or another, did not make it into the final version of the book. It would be a pity to leave these forgotten on a drawer, so during the next few weeks we will present here some of these masters of the cutaway. A while ago we wrote here about Frank Soltesz, an American illustrator active from the 30’s to the 60’s, and author of a marvelous series of architectural cutaw

GEPA optimizes LLMs without costly reinforcement learning

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Researchers from the University of California, Berkeley, Stanford University and Databricks have introduced a new AI optimization method called GEPA that significantly outperforms traditional reinforcement learning (RL) techniques for adapting large language models (LLMs) to specialized tasks. GEPA removes the popular paradigm of learning

Hugging Face: 5 ways enterprises can slash AI costs without sacrificing performance

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Enterprises seem to accept it as a basic fact: AI models require a significant amount of compute; they simply have to find ways to obtain more of it. But it doesn’t have to be that way, according to Sasha Luccioni, AI and climate lead at Hugging Face. What if there’s a smarter way to use AI? What if, instead of striving for more (often unn

Save up to $400 on Razer's newest gaming laptop - this back-to-school deal deal won't last long

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Best Vegan Meal Delivery Services for 2025, Tested by a Plant-Based Eater

When trying to find a vegan meal delivery service, several factors should be considered to find your perfect fit. Prepared meals versus meal kits: Prepared meals come ready to heat in the microwave or in a pan on the stovetop. Meal kits, on the other hand, provide all the ingredients and instructions you’ll need to prepare the meals yourself. Though prepared meals are easier and take less time, meal kits may be good for those who like cooking or want to learn to cook. Fresh versus frozen: On t

Left to Right Programming

2025-08-17 Left to Right Programming Programs Should Be Valid as They Are Typed I don’t like Python’s list comprehensions: text = "apple banana cherry dog emu fox" words_on_lines = [ line . split ( ) for line in text . splitlines ( ) ] Don’t get me wrong, declarative programming is good. However, this syntax has poor ergonomics. Your editor can’t help you out as you write it. To see what I mean, lets walk through typing this code. words_on_lines = [ l Ideally, your editor would be to aut

The West Texas Measles Outbreak Has Ended

A large measles outbreak in Texas that has affected 762 people has now ended, according to an announcement Monday by the Texas Department of State Health Services. The agency says it has been more than 42 days since a new case was reported in any of the counties that previously showed evidence of ongoing transmission. The outbreak has contributed to the worst year for measles cases in the United States in more than 30 years. As of August 5, the most recent update from the Centers for Disease Co

Finding a Successor to the FHS

Finding a successor to the FHS [LWN subscriber-only content] The purpose of the Filesystem Hierarchy Standard (FHS) is to provide a specification for filesystem layout; it specifies the location for files and directories on a Linux system to simplify application development for multiple distributions. In its heyday it had some success at this, but the standard has been frozen in time since 2015, and much has changed since then. There is a slow-moving effort to revive the FHS and create a FHS 4.

The Best Vegan Meal Delivery Services for 2025, Tested by a Plant-Based Eater

When trying to find a vegan meal delivery service, several factors should be considered to find your perfect fit. Prepared meals vs meal kits: Prepared meals come ready to heat in the microwave or in a pan on the stovetop. Meal kits, on the other hand, provide all the ingredients and instructions you’ll need to prepare the meals yourself. Though prepared meals are easier and take less time, meal kits may be good for those who like cooking or want to learn to cook. Fresh vs frozen: On this list

tvOS 26 beta 7 available now for Apple TV 4K

tvOS 26 beta 7 is rolling out now for developers, the latest Apple TV 4K beta release. Here’s what to expect. Latest tvOS 26 beta is one of the last before public release Apple has just released tvOS 26 beta 7 for developers. The new update is expected to focus on performance and stability improvements, with noteworthy feature changes unlikely. Beta software ultimately has the goal of helping create a solid upgrade experience for the wide public launch. And that launch is coming up fast. Ap

RFK Jr.'s Wi-Fi and 5G conspiracies appear to make it into MAHA report draft

The Trump administration's plans to improve Americans' health will include a push to review the safety of electromagnetic radiation, echoing long-held conspiracy theories and falsehoods about Wi-Fi and 5G touted by health secretary and anti-vaccine advocate Robert F. Kennedy Jr. On Friday, Politico obtained a draft version of the "Make Our Children Healthy Again Strategy," a highly anticipated report from the Make America Healthy Again (MAHA) Commission intended to steer the administration's he

The Cutaway Illustrations of Fred Freeman

During the two-year research for our book LOOK INSIDE we discovered many amazing illustrations and artists that, for one reason or another, did not make it into the final version of the book. It would be a pity to leave these forgotten on a drawer, so during the next few weeks we will present here some of these masters of the cutaway. A while ago we wrote here about Frank Soltesz, an American illustrator active from the 30’s to the 60’s, and author of a marvelous series of architectural cutaw

Left to Right Programming: Programs Should Be Valid as They Are Typed

2025-08-17 Left to Right Programming Programs Should Be Valid as They Are Typed I don’t like Python’s list comprehensions: text = "apple banana cherry dog emu fox" words_on_lines = [ line . split ( ) for line in text . splitlines ( ) ] Don’t get me wrong, declarative programming is good. However, this syntax has poor ergonomics. Your editor can’t help you out as you write it. To see what I mean, lets walk through typing this code. words_on_lines = [ l Ideally, your editor would be to aut

RFK Jr.’s Wi-Fi and 5G conspiracies appear to make it into MAHA report draft

The Trump administration's plans to improve Americans' health will include a push to review the safety of electromagnetic radiation, echoing long-held conspiracy theories and falsehoods about Wi-Fi and 5G touted by health secretary and anti-vaccine advocate Robert F. Kennedy Jr. On Friday, Politico obtained a draft version of the "Make Our Children Healthy Again Strategy," a highly anticipated report from the Make America Healthy Again (MAHA) Commission intended to steer the administration's he

UK sentences “serial hacker” of 3,000 sites to 20 months in prison

A 26-year old in the UK who claimed to have hacked thousands of websites was sentenced to 20 months in prison after pleading guilty earlier this year. Al-Tahery Al-Mashriky of Rotherham, UK, was arrested in 2022 based on information received from U.S. law enforcement and charged for stealing log in details of millions of Facebook users, and hacking websites belonging to the government in Yemen, an Israeli news outlet, and organizations in the U.S. and Canada. Al-Mashriky pleaded guilty to the

This is probably the strangest Beats collaboration in the Apple era

Disclaimer: Beats Pill speakers should not be consumed. Don’t tell that to this creature, though. Remember the Beats Pill Dude? He’s returning, at least in spirit, as a limited edition drop in select markets, starting with England next week. The Beats Pill Dude predated Apple’s purchase of Beats in 2014. That was then. This is now. Verdy mascot Vear is back as a Beats Pill speaker holder with big collectible energy. This is the version that was released in 2024: Vear is here. Designed by V

The Mandarin Strikes In Hasbro’s Newest Marvel Legends Reveal

The Mandarin is one of Iron Man’s oldest foes, with a history in the comics as long as it is fraught. But while the character has been adapted multiple times over the course of the MCU—first more controversially with Ben Kingsley’s Trevor Slattery character in Iron Man 3, then as Tony Leung’s Xu Wenwu in Shang-Chi and the Legend of the Ten Rings—and earned himself a few action figures from Hasbro inspired by those appearances along the way, the toymaker has yet to bring a comics version of the v

This vintage ‘Apple Watch’ face needs to exist

Apple has designed all sorts of Apple Watch faces in the 10+ years since the product launched. Still, there’s one face that Apple should build and release as soon as possible, please. That face, of course, is the one from the “Apple” watch that predated Apple Watch by two decades. The anonymous X account that goes by the name System Settings has designed their take on how it could look: i designed a watch face inspired by this vintage Apple Watch what do you think 👀 https://t.co/N6k4YCmw1u

Patients trust AI's medical advice over doctors - even when it's wrong, study finds

TEK IMAGE/SCIENCE PHOTO LIBRARY / Science Photo Library via Getty Images ZDNET's key takeaways People can't tell AI-generated from doctor responses. However, people trust AI responses more than those from doctors. Integrating AI into clinical practice must be a nuanced approach. Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. There's a crisis due to a lack of doctors in the US. In the October issue of the prestigious New England J

FFmpeg Assembly Language Lessons

Welcome to the FFmpeg School of Assembly Language. You have taken the first step on the most interesting, challenging, and rewarding journey in programming. These lessons will give you a grounding in the way assembly language is written in FFmpeg and open your eyes to what's actually going on in your computer. Required Knowledge Knowledge of C, in particular pointers. If you don't know C, work through The C Programming Language book High School Mathematics (scalar vs vector, addition, multipl

Another ‘Lord of the Rings’ Icon May Return for ‘The Hunt for Gollum’

Alan Cumming teases his time filming Avengers: Doomsday. The team behind High School Musical: The Musical: The Series is returning to Disney for a new supernatural dramedy. Plus, Frank Grillo teases Rick Flag Sr.’s arc in Peacemaker season 2. Spoilers, assemble! Lord of the Rings: The Hunt for Gollum Speaking at a convention in London called For the Love of Fantasy, Ian McKellen seemingly confirmed that Frodo will appear alongside Gandalf in Andy Serkis’ Gollum prequel (although it wasn’t conf

I replaced my MacBook charger with this compact wall unit - and wish I'd done it sooner

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Grammarly gets a design overhaul, multiple AI features

Grammarly now has a new document-based interface, built on the back of Coda, the productivity startup it acquired last year. The interface also sports an AI assistant, as well as a few AI tools meant for students and professionals, including an AI grader, proofreader and citation finder. The new interface adopts a block-first approach, letting you insert tables, columns, separators, lists and headers. You can also add rich text blocks to highlight information, add tips, or alerts. A sidebar ho

Apple prepares for iPhone 17 launch by expanding its reach

When Apple announces the iPhone 17 event next week, it will have a new place to spread the message. As noted by South China Morning Post, Apple expanded its social media footprint in China over the weekend. The move comes just in time for Apple’s next product launch that will include iPhone 17, 17 Air, 17 Pro, and 17 Pro Max, as well as Apple Watch Series 11 and Ultra 3, and maybe even AirPods Pro 3. Earlier this summer, Apple joined Threads in a very limited capacity after two years of not ha

Can-Am's first electric ATV can haul more than its gas models

Can-Am, part of the motorsports group BRP that recently introduced electric snowmobiles, has just launched its first electric all-terrain vehicle (ATV). The Outlander Electric is designed to be "whisper quiet" for chores like herding or hunting, but it can actually tow more than its gas-powered counterparts thanks to the high level of torque. Powered by BRP's modular Rotax E-Power drivetrain (also used in the company's electric snowmobiles and motorbikes), the Outlander Electric makes up to 47

Yes, You Really Need a Bed Frame for Your Mattress and Here’s Why

I'm no stranger to cutting costs when it's time to buy furniture. But, when a recent CNET survey found out that roughly six in 10 US adults are willing to invest in their bed setup, as a sleep expert, I knew what I had to recommend: buy a bed frame. Now, if you're wondering why? There are many reasons why a bed frame is a key part of your bedding setup. A bed frame's purpose is to protect you and your mattress from the downsides of sleeping on the floor. Not only that, but mattresses are expens

The best gaming monitors in 2025

If you want to get the most out of your games — whether you're into competitive FPS titles, sprawling RPGs or story-driven adventures — a good gaming monitor can make all the difference. Smooth gameplay, low input lag and crisp visuals are just the start. With the right screen, everything from your aim to your immersion gets a serious upgrade. These days, there’s a lot more to consider than just refresh rate or screen size. You’ll find ultrawide gaming monitors, widescreen displays, models wi

I dialed these 14 secret codes to unlock hidden features on my Android and iPhone

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or