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Show HN: Virby, a vfkit-based Linux builder for Nix-Darwin

Virby - Linux Builder for Nix-darwin Virby is a module for nix-darwin that configures a lightweight, vfkit-based linux VM as a remote build machine for nix, allowing linux packages to be built on macOS. This project is modeled after nix-rosetta-builder, which provides a similar service, using lima to manage the VM. Some parts of the code in this repository are directly borrowed and adapted from that project. Quick Start Add to your flake and enable: # flake.nix { inputs . virby = { url = "gi

Topics: build nix ssh virby vm

The Origin of the Research University

If you were alive in 1800 and someone asked you about the future of research, it wouldn’t occur to you to mention the university. Real scholarship happened in new, modern, enlightened institutions like the British Royal Society or the French Académie des sciences. Universities were a medieval relic. And nowhere was it more medieval, hidebound, and generally dysfunctional than in the German-speaking world. But something happened to German universities at the turn of the 19th century — they develo

A Virginia public library is fighting off a takeover by private equity

Photo from The Samuels Public Library After being targeted by anti-LGBTQ book banners and having their funding pulled, a local library in Virginia successfully stopped a threatened takeover by a private equity group. The local community rallied around The Samuels Public Library in Front Royal, Virginia, to push back against attacks and the private equity owned Library Systems & Services withdrew their bid to run operations. But with their funding cut for the fiscal year that began this July, th

‘Night at the Museum’ Franchise Gets Reboot at Disney 20 Years After the First Film

The Night at the Museum film franchise is getting another go at 20th Century Studios under Disney to mine more historical hijinks. It’s been 20 years (a shocking number, yes) since the release of the first film starring Ben Stiller (Severance) as a museum night watch guard who goes on adventures when the exhibits come to life at night. The concept spawned several sequels, which featured stars like Robin Williams, Owen Wilson, Rami Malek, and Dan Stevens as legendary figures. Deadline reports th

5,000-Year-Old Rock Carving Is Among the Oldest Known Depictions of an Ancient Egyptian Ruler

An ancient rock engraving in the Lower Nile Valley may offer a rare glimpse into the origin of Egyptian kings. The art panel depicts an elite individual with features resembling those of early Egyptian rulers, from the very beginning of political unification across Egypt. Around 6,000 years ago, Egypt underwent a dramatic political transformation, ultimately leading to the formation of the Egyptian state under the first pharaoh, Narmer, around 3100 BCE. Researchers still know relatively little

Today's NYT Connections: Sports Edition Hints and Answers for July 10, #290

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition is a mix. The blue category was tough, and two categories require you to know athlete names. Stumped? Read on for hints and the answers. Connections: Sports Edition is out of beta now, making its debut on Super Bowl Sunday, Feb. 9. That's a sign that the ga

6 Natural Sugar Substitutes To Satisfy Your Cravings

Keeping an eye on your sugar intake isn't a bad thing -- and neither is indulging in a sweet treat. It's all about finding the right balance. Instead of cutting out sugar entirely, consider the type of sugar you're consuming. For women and children, studies show that the recommended daily limit is about six teaspoons of sugar. For men, it’s nine. And you don’t have to rely on heavily processed sugars to satisfy your cravings. Natural sugar alternatives -- many of which are less refined and clos

The Boom 4 Bluetooth Speaker Is Cheaper Than Ever for Prime Day

Looking for a better soundtrack to your backyard adventures this summer? Prime Day delivers, with this excellent Ultimate Ears Boom 4 sale headlining my list of the best audio deals of the week. Need more deals to shop? Check out our Prime Day Live Blog post, our Best Bluetooth Speakers guide, and our ultra-roundup of the Absolute Best Prime Day Deals for a cascade of sales. The Boom 4 (8/10, WIRED Recommends) is follows an impressive legacy in the world of Bluetooth speakers. The fourth gener

Microsoft shares $500M in AI savings internally days after cutting 9,000 jobs

Microsoft’s chief commercial officer Judson Althoff said during a presentation this week that AI tools are boosting productivity across sales, customer service, and software engineering, Bloomberg reports. Althoff noted AI has been so useful that Microsoft was able to save more than $500 million last year in its call center alone. The internal remarks come a week after Microsoft laid off more than 9,000 workers, the company’s third round of layoffs this year that put the total number of affecte

Want a Galaxy Z Fold 7 or Flip 7? Save big with these top carrier deals

The Samsung Galaxy Z Flip 7 and Fold 7 are now official, and both devices offer quite a few improvements this year, including design refinements, new software features, and beefier hardware. Of course, neither foldable is particularly cheap, with the Flip 7 starting at $1,099 and the Fold 7 at $1,999. Are you interested in Samsung’s latest but can’t quite stomach paying the full price upfront? There are many options, including in-store financing, but the big three carriers offer the lowest upfr

Pick up the Amazon Fire TV Soundbar at an all-time low price with Prime savings

Amazon Prime Day is hitting its stride with incredible discounts on popular tech products. If you’re looking to enhance your home audio setup, this year’s deals include an enticing offer on the Amazon Fire TV Soundbar. It’s now available for $84.99, down from its standard price of $119.99. This offers you a 29% discount, and the best offer we’ve ever tracked on the home entertainment addition. Amazon Fire TV Soundbar for $84.99 (29% off) This soundbar is a 3.1-channel audio device featuring sup

Amazon Prime Day has the best deals on laptops this week: Save on MacBooks, Windows 11 machines, Chromebooks and others

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . If your laptop simply isn’t cutting it anymore, Amazon Prime Day 2025 might have arrived just in time. As has been the case for the past few years, laptop deals are abundant this Prime Day, bringing discounts to MacBooks, Windows laptops, Chromebooks and more. But we wouldn’t blame you

The best Anker Prime Day deals: Power banks, chargers and mobile accessories on sale today

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . You may not be looking to spend big on tech this Prime Day, but it's still a good idea to look for tech essentials during the shopping event while you can get some at good discounts. Anker makes some of our favorite charging gear and I always end up picking up an accessory or two durin

Memory-Level Parallelism: Apple M2 vs. Apple M4

The Apple M2, introduced in 2022, and the Apple M4, launched in 2024, are both ARM-based system-on-chip (SoC) designs featuring unified memory architecture. That is, they use the same memory for both graphics (GPU) and main computations (CPU). The M2 processor relies on LPDDR5 memory whereas the M4 relies on LPDDR5X which should provide slightly more bandwidth. The exact bandwidth you get from an Apple system depends on your configuration. But I am interested in single-core random access perfor

Multi-Region Row Level Security in CockroachDB

Controlling who can access what data is more important than ever as organizations scale and modernize their data infrastructure. Enterprises are modernizing their critical databases, and they need fine-grained, built-in access controls that go beyond table-level permissions. That’s why, with the 25.2 release of CockroachDB , we’re introducing Row-Level Security — a powerful feature that allows you to define and enforce access policies at the row level, directly within the database. This form o

Linda Yaccarino is leaving X

Linda Yaccarino, the chief executive of X and a top lieutenant to its owner, Elon Musk, said on Wednesday that she was leaving the company two years after joining the social media platform. In a post on X, Ms. Yaccarino, 61, said: “When @elonmusk and I first spoke of his vision for X, I knew it would be the opportunity of a lifetime to carry out the extraordinary mission of this company. I’m immensely grateful to him for entrusting me.” She did not provide a reason for her departure. Ms. Yacc

Krypto Has Become the DCU’s Baby Yoda Goldmine

DC Studios’ Superman has, of course, come out of the gate with an extensive line of merch inspired by James Gunn’s new vision for the Man of Steel. That vision places special focus on Krypto the Superdog, which comes as no surprise to fans of the filmmaker. Gunn is a noted animal rescue supporter who has come out on record to say his dog Ozu served as inspiration for Krypto’s role in the upcoming relaunch of DC Universe films. Speaking to People Magazine, Gunn said that Ozu came from a hoarding

PlayStation Plus Subscribers Can Get Chromed Out in Cyberpunk 2077 Now

When CD Projekt Red launched Cyberpunk 2077 in 2020, the game was plagued by bugs and glitches. Since then, the company has provided free updates and patches to the game to make it a fun, engaging and award-winning experience. And some PlayStation Plus subscribers can now play this dystopian, sci-fi game. PlayStation Plus is Sony's version of Xbox Game Pass, and it offers subscribers a large and constantly expanding library of games. There are three PlayStation Plus tiers -- Essential ($10 a mo

The Best Prime Day Deals on Our Staff's Favorite Dyson Tools (2025)

There's nothing quite like a Dyson. It can do the job like no other, whether it's cleaning your house or styling your hair. But all that power comes with a hefty price tag (and it's worth every penny!) If you've been waiting for a sale to snag a Dyson for yourself, good news: There are several Dyson vacuums, hair tools, and fans on sale for Prime Day, making it the perfect time to shop. Shop all of our on-sale picks below. Looking for more Prime Day deals? Don't miss our guide Best Prime Day De

Topics: day dyson hair prime sale

Sony’s Brand New Flagship Headphones Are on Sale for Prime Day

Prime Day Deals are popping, and even a modest sale on Sony's WH-1000XM6 headphones (9/10, WIRED Recommends) is worth your attention, considering these are the best wireless headphones you can buy right now. With a sweet balance of style and features, fantastic sound, and total noise-crushing authority, the WH-1000XM6 are the real deal. Looking for more super sales? Make sure and click on our Prime Day Live Blog post, and our large-and-in-charge roundup of the Absolute Best Prime Day Deals that

Judge Finds Tesla Has Failed to Deliver Full Self-Driving, Needs to Issue Refund

After a year of fighting out his case in arbitration, a Tesla owner successfully forced Elon Musk's EV maker to reimburse him the $10,000 he paid for the company's misleadingly-called "Full Self-Driving" driver assistance package, Electrek reports. For over a decade now, Musk has made yearly promises that Teslas will be capable of driving themselves. But the software, even after all these years, still requires users to be able to take over control at any time, making it no more than a middle-o

Get this awesome Anker Laptop Charger at a record-low price!

Prime Day has kicked off, and there are a bunch of awesome deals on some of the most exciting tech out there. Sometimes, it’s the simpler stuff that makes the real difference in our daily lives, though. For example, I can no longer live without a quality charger, and the Anker Laptop Charger is one of our favorite picks right now, and it’s currently at a record-low price! Buy the Anker Laptop Charger for just $69.99 ($30 off) This offer is available from Amazon as a Prime Day deal. As such, you

Lowest price alert: Belkin BoostCharge Pro 4-port charger drops to just $84.99

If you’re looking to upgrade your charging setup, Amazon’s Prime Day deals have something special in store. The Belkin BoostCharge Pro is now on sale at an impressive discount, making it an enticing option for those needing multi-device charging solutions. Belkin BoostCharge Pro 4-Port USB-C 200W GaN Charger for $84.99 (35% off) During Prime Day, the Belkin BoostCharge Pro is available for just $84.99 — a 35% discount off its recommended retail price of $129.99. This marks the lowest price date

Walmart Deals 2025 rivals Prime Day with sales up to 47 percent off

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . Amazon Prime Day has been a summer mainstay for a long time, so much so that it’s spawned a bunch of other sale events that compete with it. Case in point: Walmart Deals 2025. Yes, Walmart’s anti-Prime Day sale is back again this year, and it includes discounts across a slew of categor

Topics: amazon day deals prime tv

Get three months of Audible for only $3 during Prime Day

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . That's effectively three audiobooks to keep for a buck each thanks to this Amazon Prime Day deal. Prime Day deals have arrived, and unsurprisingly, a discount on Audible is among them. We've seen similar offers pop up in the past, but considering Audible is one of the top audiobook st

I replaced my Pixel 9 Pro with a $400 rugged Android phone - and now it's $100 off

ZDNET's key takeaways The Oukitel WP56 is now available for $299 on the official site. The WP56 is a mid-range phone that performs above its price and has an impressive battery life. Like most Oukitel phones, the WP56 is very heavy. View now at Oukitel Let me set the stage for you. You're out in the wilderness. Maybe you're working on a job site, or you've taken your Jeep for some off-road action. The terrain and the weather are rough, and you might not have the means to give your phone a ch

QRS: Epsilon Wrangling

I haven’t shipped any new features for Quamina in many months, partly due to a flow of real-life distractions, but also I’m up against tough performance problems in implementing Regular Expressions at massive scale. I’m still looking for a breakthrough, but have learned things about building and executing finite automata that I think are worth sharing. This piece has to do with epsilons; anyone who has studied finite automata will know about them already, but I’ll offer background for those peop

HyAB k-means for color quantization

HyAB k-means for color quantization Color quantization in CIELAB space, visualized. The input is converted to CIELAB space and a special “HyAB” distance formula is used when clustering. This in theory should result in better image quality. I’ve been obsessing over color quantization algorithms lately, and when I learned that an image conversion app called Composite did its so-called pixel mapping step in CIELAB space, I instantly thought of the “HyAB” color distance formula I’d seen in the FLI

Oh No, ‘Big Bang Theory’ Is Returning to Literally Destroy the Universe

You’d think io9—a site run by nerds—would enjoy a sitcom featuring a cast of nerd characters. Like, say, The Big Bang Theory, which ran on CBS for 12 seasons. But you’d be wrong: we loathed the show, especially for its often wrong-headed approach to geeky interests (remember how dirty it did Brian K. Vaughn and Fiona Staples’ wonderful comic Saga?), and we cheered when it finally wrapped up in 2019. But The Big Bang Theory obviously had a crap-ton of fans; you don’t get to 12 seasons and two sp