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There's a lot to like about portable air conditioners. They're easy for renters to install, a solid supplemental cooling choice in homes with hotspots and a great option for homes with windows too narrow to support window air conditioners. I've had my portable air conditioner for a year and the cool air is one of the best investments for keeping my normally sweltering home office comfortable. Now I can stay productive during hot weather. As with other air conditioners, you'll need to find the s
Previously, I wrote some sketchy ideas for what I call a p-fast trie, which is basically a wide fan-out variant of an x-fast trie. It allows you to find the longest matching prefix or nearest predecessor or successor of a query string in a set of names in O(log k) time, where k is the key length. My initial sketch was more complicated and greedy for space than necessary, so here’s a simplified revision. (“p” now stands for prefix.) A p-fast trie stores a lexicographically ordered set of names
Considering the widespread use of contactless payment systems, it's no surprise that portable point-of-sale thefts are making a comeback. This type of robbery is enjoying a new wave of popularity, and is much harder to spot given how quickly those transactions take place. But how much risk is there, really? And how can you protect yourself from POS scams? The Case of Sorrento A recent example of POS theft happened recently in Italy, when topic exploded again a few days ago when the news agency
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Debian 13 trixie released August 9th, 2025 After 2 years, 1 month, and 30 days of development, the Debian project is proud to present its new stable version 13 (code name trixie ). trixie will be supported for the next 5 years thanks to the combined work of the Debian Security team and the Debian Long Term Support team. Debian 13 trixie ships with several desktop environments, such as: GNOME 48, KDE Plasma 6.3, LXDE 13, LXQt 2.1.0, Xfce 4.20 This release contains over 14,100 new packag
Quantum computing is either a distant dream or an imminent reality depending on whom you ask. And while much of this year's Quantum Village at the Defcon security conference in Las Vegas is focused on emerging research and threat analysis, Village cofounders Victoria Kumaran and Mark Carney are also working to make a currently available quantum technology more accessible to hackers and anyone else. In a main-stage Defcon talk on Saturday, the pair will present an open source and affordable quan
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Some health enthusiasts swear by smartwatches as a way to monitor stress levels, but a recent study calls into question that common usage. The study, published in the Journal of Psychopathology and Clinical Science, claims that such watches display a very limited ability to actually communicate what a person’s psychological state is. Sometimes, a watch may think the user is stressed when they’re really just excited about something, researchers say. The report looked at nearly 800 students who w
is a senior reporter focusing on wearables, health tech, and more with 13 years of experience. Before coming to The Verge, she worked for Gizmodo and PC Magazine. I keep hearing the same sentence repeating in my head. “My vision is that every American is wearing a wearable within four years.” RFK Jr., our current secretary of the Department of Health and Human Services, said this at a congressional hearing at the end of June. Wearables, he said, are key to the MAHA — Make America Healthy Agai
ThinkBook Plus Gen 6 Rollable ZDNET's key takeaways The ThinkBook Plus Gen 6 is available now, starting at $3,300. The 120Hz, OLED, portrait-style 16.7-inch display delivers an expansive workspace, supported by a haptic touchpad. It has limited I/O, has some visible creasing on the rollable display, and has a sky-high price. View now at Lenovo Lenovo unveiled its "rollable" laptop at CES two years ago as a wild proof of concept that turned heads, but left consumers skeptical. Well, the compan
One of the goals of this substack is to research ways of removing historical cruft from the way relational model is taught. One thing that puzzles me particularly is why Sixth Normal Form (6NF) is historically treated so... reverently? Lots of texts on the internet consider 6NF to be “exotic”, “academic”, “never used in practice”, etc., etc. As software developers, we can solve any problem by adding one level of abstraction, and database modeling is not an exception. I’m going to show that any
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>_ Tribblix is an open source operating system created by Peter Tribble. Based on illumos, it blends a retro style with modern components. NEWS: July 13th 2025: Milestone 37 available. (updates). Vanilla Tribblix and LX (aka "omnitribblix") variants for x86 are now available. (download - X86 Release Notes.) NEWS: July 29th 2025. SPARC upgrades from m32 to m33 now available, for now fresh installs should use the m32 ISO and run an upgrade. (SPARC Release Notes.) NEWS: May 15th 2025. CDROM siz
Partially Matching Zig Enums A short post about a neat little Zig idiom. Consider your average {sum type, variant, tagged union, enum, alt}: enum U { A ( i32 ), B ( i32 ), C, } Usually, you handle it like this: match u { U:: A (_) => handle_a (), U:: B (_) => handle_b (), U::C => handle_c (), } But once in a while, there’s common handling code you want to run for several variants. The most straightforward way is to duplicate: match u { U:: A (_) => { handle_ab (); handle_a (); } U:: B (_)
Elyse Betters Picaro / ZDNET ZDNET's key takeaways: OpenAI launched ChatGPT customization updates. Users can choose chat color and personality. All users (even free) can now access Advanced Voice Mode. OpenAI is having one of its biggest product launch weeks, releasing its highly anticipated open-source models, gpt-oss-120b and gpt-oss-20b, and GPT-5. Buried within the deluge of the large language models (LLMs) are helpful ChatGPT features that add customization options that could make the
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When we started building a durable workflows library, the most critical architectural decision we faced was what data store to use for workflow metadata. The core durable workflow operations are simple–checkpointing workflow state and recovering an interrupted workflow from its latest checkpoint. Almost any data store can handle these operations, but choosing the right one is critical to ensure workflows are scalable and performant. In this blog post, we’ll dive deep into why we chose to build
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TL;DR Last year, Google canceled its plans for the Pixel Tablet 2, leaving the fate of the company’s Pixel stylus unclear. This summer, that stylus has started popping up at online retailers, now branded as the Pixel Tablet Pen. The pen works fine with the existing Pixel Tablet, but not all its features appear fully implemented. Google’s approach right now towards Android on screens larger than our phones is confusing, to put it mildly. On one hand, we’ve got Android’s increasingly impressive
TechCrunch Disrupt isn’t just a tech conference — it’s a launchpad. For 20 years, startups have come to TechCrunch Disrupt to meet their first investors, land their biggest partnerships, and spark the idea that takes them to the next level. In 2025, that launchpad could be your exhibit table. With tables selling fast, now is your moment to get in front of 10,000+ founders, VCs, and tech innovators from October 27-29 in San Francisco’s Moscone West. If you wait, your competitor will grab the s
Maria Diaz/ZDNET ZDNET's key takeaways Unplug at 100%, keep battery between 20% and 80%. Avoid draining to 0%; store unused tablets at 50%. Use certified chargers to prevent stress and overheating. As someone who uses a tablet daily, I'm constantly looking for ways to make its battery last longer. However, some habits you don't think twice about could actually be hurting your battery over time. There are ways to extend your tablet's battery life, and there are some things you should avoid t
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