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Writing a basic Linux device driver when you know nothing about Linux drivers

A couple of months ago I bought the Nanoleaf Pegboard Desk Dock, the latest and greatest in USB-hub-with-RGB-LEDs-and-hooks-for-gadgets technology. This invention unfortunately only supports the real gamer operating systems of Windows and macOS, which necessitated the development of a Linux driver. Over the past few posts I’ve set up a Windows VM with USB passthrough, and attempted to reverse-engineer the official drivers, As I was doing that, I also thought I’d message the vendor and ask them

Three axial flux motors and 850 kW fast charging? Meet the GT XX.

Mercedes-Benz provided flights from Detroit to Stuttgart and accommodation so Ars could be briefed on the GT XX, as well as some other things we can't publish just yet. Ars does not accept paid editorial content. AFFALTERBACH, Germany—A few years ago, we were treated to the Mercedes-Benz EQXX. It was, at the time, the pinnacle of Mercedes engineering built for the purpose of maximum electric range. While an impressive piece of machinery that looked like it drove out of Le Mans, it wasn't design

Is this $600 Acer the best laptop deal right now? I tested it, and here's my verdict

ZDNET's key takeaways The Acer Swift Go 14 (2024) is on sale now at B&H for $599. It's a lightweight, responsive laptop with a touchscreen, and a slick media playback menu. However, for a laptop so optimized for media, its speakers aren't the best. $599 at B&H Photo-Video The 14-inch Acer Swift Go was among the first round of laptops to come loaded with Intel's Meteor Lake AI processors last year, and it does so for $899 (on sale now for $599), a mid-range price point right in the sweet spot

Warframe Isleweaver's Spider-Man-Like Frame Is a Masterpiece of Design

There's a lot to get excited about in Warframe's Isleweaver expansion -- which is free to play today on PlayStation, Xbox and PC. The update links the time-lost Warframe 1999 and the timeless islands of Duviri, pushes the Void War narrative arc forward and gives tight-knit player guilds a new large-scale operation to contribute to. The biggest allure of a new update for many players will always be the shiny new toys, and Isleweaver has tons of those too. A new whip and throwable clustered barbs

This Acer laptop has a game-changing feature for multimedia consumption (and it's $300 off)

ZDNET's key takeaways The Acer Swift Go 14 (2024) is on sale now at B&H for $599. It's a lightweight, responsive laptop with a touchscreen, and a slick media playback menu. However, for a laptop so optimized for media, its speakers aren't the best. $599 at B&H Photo-Video The 14-inch Acer Swift Go was among the first round of laptops to come loaded with Intel's Meteor Lake AI processors last year, and it does so for $899 (on sale now for $599), a mid-range price point right in the sweet spot

Advanced Python Function Debugging with MCP Integration

Gnosis Mystic 🔮 AI-Powered Python Function Analysis and Control Gnosis Mystic gives AI assistants direct access to your Python functions through runtime hijacking and intelligent analysis. Add minimal decorators, and Claude can inspect, optimize, and control your code in real-time. Inspiration and Work Mystic was inspired by Giantswarm's mcp-debug. Code by fairly stock Claude Code. Prompts, code sketches, and planning by Claude Desktop using Gnosis Evolve tools. ✨ Why Gnosis Mystic? The P

Windsurf CEO Varun Mohan throws cold water on 1-person, billion-dollar startup idea at VB Transform: ‘more people allow you to grow faster’

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more As AI-powered tools spread through enterprise software stacks, AI coding platform Windsurf’s rapid growth is becoming a case study in what happens when developers adopt agentic tooling at scale. In a session at this week’s VentureBeat Transform 2025 conference, CEO and co-founder Varun Mohan discussed how Windsurf’s integrated development

Best Portable Air Conditioners: Cooling Your Home One Room at a Time

Not only did the Midea MAP14HS1TBL excel in performance compared with most portable air conditioners we tested, but it also has a lot of features and specialty options. This model isn't cheap, but it's a well-rounded luxury AC unit with everything you need -- and then some. To start, the MAP14HS1TBL has the highest cooling capacity of any other model we tested. Those 12,000 BTUs come in handy for cooling larger spaces up to 550 square feet, and it showed in the performance. The Midea model beat

How AI infiltrated perfume

At a pristine, multimillion-dollar lab on the Manhattan waterfront, just down the street from a men’s homeless shelter and the medical examiner’s office, a slice of summer plum is being converted into fragrance code. This is the work of Osmo, a fragrance tech startup claiming to build artificial olfactory intelligence. Osmo has parlayed this innovation into offering turnkey fragrance compounding that promises a 48-hour sample turnaround from initial client prompt. In the time it takes your Amazo

Transparent Ambition

Translucent user interfaces is a nightmare from which I am trying to awake. Aside from movie visual effect trickery, it started out in Mac OS X's Aqua, followed by Windows Vista's Aero, followed by (then) OS X's Vibrancy, followed by Windows 10's Acrylic. Over time, more and more of the user interface has become translucent similar to foggy/privacy-preserving sheets of glass. The unstated goal has always been to "look cool". The stated goal has always been to "give more pixels to your content"

China's first gaming GPU, the Lisuan G100, performs like a 13-year-old Nvidia GTX 660 Ti

Facepalm: China recently unveiled its first gaming GPU, the Lisuan G100. Built on a 6nm process, the card was touted as a potential rival to Nvidia's RTX 4060. However, a recent Geekbench listing suggests its performance is closer to that of the 13-year-old GeForce GTX 660 Ti or the 10-year-old Radeon R9 370. The listing also appears to reveal shockingly anemic specifications, including just 32 Compute Units, 256 MB of VRAM, and a 300 MHz GPU clock. Overall, the card managed a score of only 15,

Transparent Ambition: on translucent user interfaces

Translucent user interfaces is a nightmare from which I am trying to awake. Aside from movie visual effect trickery, it started out in Mac OS X's Aqua, followed by Windows Vista's Aero, followed by (then) OS X's Vibrancy, followed by Windows 10's Acrylic. Over time, more and more of the user interface has become translucent similar to foggy/privacy-preserving sheets of glass. The unstated goal has always been to "look cool". The stated goal has always been to "give more pixels to your content"

Apple Research just unearthed a forgotten AI technique and is using it to generate images

Today, most generative image models basically fall into two main categories: diffusion models, like Stable Diffusion, or autoregressive models, like OpenAI’s GPT-4o. But Apple just released two papers that show how there might be room for a third, forgotten technique: Normalizing Flows. And with a dash of Transformers on top, they might be more capable than previously thought. First things first: What are Normalizing Flows? Normalizing Flows (NFs) are a type of AI model that works by learning

ExpressVPN vs. Surfshark: Two of CNET’s Favorite VPNs Compared

ExpressVPN and Surfshark are two heavyweights and sit comfortably among CNET’s top VPN picks thanks to their exceptional all-around performance and privacy protections. I use both ExpressVPN and Surfshark regularly and can tell you that each is excellent at what it does -- but also that each one does things very differently. That’s good, because there are distinctions between ExpressVPN and Surfshark that can make it easier to decide between the two based on your specific needs. In a perfect wor

How a grad student got LHC data to play nice with quantum interference

Measurements at the Large Hadron Collider have been stymied by one of the most central phenomena of the quantum world. But now, a young researcher has championed a new method to solve the problem using deep neural networks. The Large Hadron Collider is one of the biggest experiments in history, but it’s also one of the hardest to interpret. Unlike seeing an image of a star in a telescope, saying anything at all about the data that comes out of the LHC requires careful statistical modeling. “If

A New Nova Just Appeared in the Night Sky – You Can See It with the Naked Eye

For the last year or so, astronomers and sky lovers have been waiting for the explosion of T Coronae Borealis. The system is a notorious recurring nova, which is expected to go any moment now, but still has not. So, while astronomy can be a cruel mistress, making us wait, it can also be a generous mistress since there is also a brand new and unexpected nova in the night sky that you can see. Its name is V462 Lupi. A nova is a stellar object that suddenly brightens in the night sky, usually to a

I recommend this Windows tablet for work travel over the iPad Pro - and it's on sale

ZDNET's key takeaways Microsoft made one of the best work tablets of 2024 with the 11th-generation Surface Pro for $1,000. It's one of the latest Copilot+ PCs housing next-gen hardware, long-lasting battery, and a stunning OLED touchscreen. As great as it may be, the device's generative AI features don't perform at the same level as the rest of the machine's features. $999.99 at Best Buy At Amazon, the 512GB Microsoft Surface Pro is on sale for $900. That is a 25% disount. Copilot+ PCs have

Eli Lilly’s Obesity Pill Appears to Work as Well as Injected GLP-1s

Eli Lilly’s daily anti-obesity pill orforglipron appears to be as good at spurring weight loss and lowering blood sugar in diabetes patients as popular injectable GLP-1 drugs like Ozempic, according to new data from a Phase 3 trial. The results were announced today at the annual meeting of the American Diabetes Association and published in the New England Journal of Medicine. Eli Lilly is the maker of the blockbuster GLP-1 drug tirzepatide, approved as Mounjaro for type 2 diabetes and Zepbound

Something Big Is Twisting Mercury’s Crust

Mercury has it rough. Not only is it the smallest planet in the solar system, it’s also the closest to our Sun. This unfortunate position has caused Mercury to develop cracks and fractures across its surface, and generate stresses to its crust, a new study has found. Mercury is dry, rugged, and heavily cratered; the planet appears deformed with towering cliffs and ridges, as well as fracture lines that run along its surface. The origin of Mercury’s scars has long been a mystery: How did the pla

Gigabyte Radeon RX 9060 XT Review: Great Value Gaming

It's AMD's turn. After months of $2,000+ GPUs and long discussions of DLSS, we're finally on the red team's turf. AMD's strength historically lies at the budget end of the spectrum, where the majority of gamers are playing at 1080p, and spending $1,000 or less for their entire system. Even though we really recommend splurging on a GPU, that's just not the reality for most folks. An $800 GPU needs $1,200 in other parts, and at that point most people who aren't into PC gaming will start shopping

The Robinhood founder who might just revolutionize energy (if he succeeds)

When Baiju Bhatt stepped away from his role as Chief Creative Officer at Robinhood last year, only those close to him could have predicted his next move: launching a space company built around tech that the aerospace industry has largely dismissed, and which might be more groundbreaking than anyone realizes. If people aren’t paying much attention, that’s just fine with Bhatt, who co-founded the trading app in 2013, five years after earning his master’s degree in mathematics at Stanford. It mean

The Robinhood founder who might just revolutionize energy, if he succeeds

When Baiju Bhatt stepped away from his role as Chief Creative Officer at Robinhood last year, only those close to him could have predicted his next move: launching a space company built around technology the aerospace industry has largely dismissed, and that might be more groundbreaking than anyone realizes. If people aren’t paying much attention, that’s just fine with Bhatt, who co-founded the trading app in 2013, five years after earning his master’s degree in mathematics at Stanford. It mean

Public/protected/private is an unnecessary feature

public/protected/private is an unnecessary feature Regular code using this interface works great: Users can write generic code that works for any Vehicle, and use a Car with that code. The implementer of Car can restrict users to only ever use Car instances through the Vehicle interface, by only allowing construction of Car instances through, for example, a function make_car with return type Vehicle. But the interface doesn't work with inheritance: Users cannot write a generic class that can i

Brad Pitt’s Sci-Fi Film Roles, Ranked

Next week, one of our biggest movie stars hits theaters in one of the summer’s biggest movies. F1: The Movie, starring Brad Pitt, is out June 27 and it’s the kind of role only someone as huge as Pitt could play. Pitt has been one of the top movie stars in the world for decades. Rising to stardom in the early 1990s, he quickly jumped to leading man status and has never looked back since. Pitt has had an incredibly varied career, making films in seemingly every genre imaginable. He’s been in roma

AMD Radeon RX 9060 XT PCIe Benchmark: 8GB vs. 16GB

On store shelves, AMD's Radeon RX 9060 XT looks like a compelling option for gamers. It's affordable, backed by a trusted brand, and appears well-equipped for modern gaming. But there's a catch: the 8GB version is severely constrained by its limited video memory – a technical bottleneck that may not show up in standard benchmarks. That missing memory turns the 8GB model into a ticking time bomb for gamers hoping to future-proof their rigs. The 8GB RX 9060 XT is marketed under the same name as t

In-Memory C++ Leap in Blockchain Analysis

Real-Time, Court-Admissible Crypto Intelligence at 1/400th the Cost of Inferior Legacy Systems The explosion of blockchain data isn’t just a challenge; it’s a crisis for conventional analytics. Financial institutions, investigators, and law enforcement agencies are hamstrung by tools that are too slow, expensive, and built on legacy database technologies incapable of keeping pace. Critical insights are missed, opportunities vanish, and illicit activities remain obscured by systems that offer on

I Tried Hear.com's At-Home Prescription Hearing Aids Test

Putting aside their exorbitant cost, the trouble with prescription hearing aids is the prescription. Find a doctor. Get an appointment. Sit in a waiting room. Suffer through an hour of testing before getting the hard sell on a pair of hearing aids. Why, the indignity of it all is even worse than going deaf. Telehealth offers a glimmer of a solution, but as everyone who’s tried to show off a concerning mole to a doctor via a smartphone camera knows: Video technology can only get you so far. Audi

AMD Radeon RX 9060 XT PCIe Comparison: 8GB vs. 16GB

On store shelves, AMD's Radeon RX 9060 XT looks like a compelling option for gamers. It's affordable, backed by a trusted brand, and appears well-equipped for modern gaming. But there's a catch: the 8GB version is severely constrained by its limited video memory – a technical bottleneck that may not show up in standard benchmarks. That missing memory turns the 8GB model into a ticking time bomb for gamers hoping to future-proof their rigs. The 8GB RX 9060 XT is marketed under the same name as t

AMD Radeon RX 9060 XT PCIe Comparison: 8GB vs. 16GB

On store shelves, AMD's Radeon RX 9060 XT looks like a compelling option for gamers. It's affordable, backed by a trusted brand, and appears well-equipped for modern gaming. But there's a catch: the 8GB version is severely constrained by its limited video memory – a technical bottleneck that may not show up in standard benchmarks. That missing memory turns the 8GB model into a ticking time bomb for gamers hoping to future-proof their rigs. The 8GB RX 9060 XT is marketed under the same name as t

I replaced my laptop with Microsoft's Surface Pro tablet - here's my verdict after a month

ZDNET's key takeaways The 12-inch Microsoft Surface Pro is available now starting at $799 for the 256GB option, and $899 for the 512GB model. The 12-inch version is exceedingly thin and light with a fast-charging battery, and the refreshed form factor looks more premium. The 256GB of storage is not enough for a device at this price point, and the cost adds up quickly, as the keyboard, mouse, and even the power adapter are sold separately. $899.99 at Walmart $899.99 at B&H Photo-Video more buyi