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I tested this Garmin sleep tracker for weeks - here's why it replaces my smart ring for good

Garmin Index Sleep Monitor ZDNET's key takeaways The Garmin Index Sleep Monitor is available for $170 in S/M and L/XL sizes. The band is very comfortable and lightweight, the monitor tracks up to seven nights of sleep, and the sleep/recovery metrics are well integrated into the Garmin Connect ecosystem. It's still fairly expensive for a single-purpose wearable, even though FSA/HSA coverage is supported. $169.99 at Amazon $169.99 at Crutchfield more buying choices Get more in-depth ZDNET tech

A minimal tensor processing unit (TPU), inspired by Google's TPU

A minimal tensor processing unit (TPU), reinvented from Google's TPU V2 and V1. tinytpu.mp4 Table of Contents Architecture Processing Element (PE) Function : Performs a multiply-accumulate operation every clock cycle : Performs a multiply-accumulate operation every clock cycle Data Flow : Incoming data is multiplied by a stored weight and added to an incoming partial sum to produce an output sum Incoming data also passes through to the next element for propagation across the array : Syst

What Seemed Like a Pregnancy Was Actually Something Far More Dangerous

A woman’s supposed pregnancy turned out to be something much stranger. In a recent report from her doctors, they detail how the woman had developed an incredibly rare form of ovarian cancer that mimicked the symptoms of pregnancy, even causing a positive pregnancy test. Doctors in India described the case of mistaken identity earlier this July in the journal Oncoscience. After first suspecting the woman had an ectopic pregnancy, the doctors instead discovered a large and rare type of tumor in h

Google Home finally adds full temperature scheduling for older Nest thermostats [Update: Official]

Update 1, August 18, 2025 (3:27 PM ET): Google has now officially announced the roll out of full scheduling capabilities for older Nest Thermostats in the Google Home app. This functionality started rolling out last week, as we first reported, and it’s hitting the following four models: Nest Learning Thermostat 3rd gen Nest Learning Thermostat 3rd gen (UK/EU) Nest Thermostat E Nest Thermostat E (UK/EU) Google has confirmed that your existing schedules from the Nest app will carry over to th

The lottery ticket hypothesis: why neural networks work

How AI researchers accidentally discovered that everything they thought about learning was wrong 18 Aug, 2025 The lottery ticket hypothesis explains why massive neural networks succeed despite centuries of theory predicting they should fail Five years ago, suggesting that AI researchers train neural networks with trillions of parameters would have earned you pitying looks. It violated the most fundamental rule in machine learning: make your model too large, and it becomes a glorified photocop

iOS 26 beta 7 adds toggle for new battery notifications

iOS 26 adds a brand new Adaptive Power mode to extend your iPhone’s battery, and in today’s beta 7 release there’s a Settings toggle for notifications. Here’s how it works. Adaptive Power notifications can now be enabled or disabled Adaptive Power is a new battery mode coming in iOS 26. It acts as a more moderate alternative to Low Power Mode, impacting performance far less but also bringing fewer battery savings. Here’s how Apple describes it: When your battery usage is higher than usual, i

I replaced my smartwatch with Garmin's new sleep tracker for weeks - here's my verdict

Garmin Index Sleep Monitor ZDNET's key takeaways The Garmin Index Sleep Monitor is available for $170 in S/M and L/XL sizes. The band is very comfortable and lightweight, the monitor tracks up to seven nights of sleep, and the sleep/recovery metrics are well integrated into the Garmin Connect ecosystem. It's still fairly expensive for a single-purpose wearable, even though FSA/HSA coverage is supported. $169.99 at Amazon $169.99 at Crutchfield more buying choices Get more in-depth ZDNET tech

Google Home adds scheduling for older Nest thermostats

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Posts from this author will be added to your daily email digest and your homepage feed. Google has announced that users of the US and UK versions of the 3rd gen Nest Learning Thermostat and the Nest Thermostat E can now schedule temperature adjustments using the Google Home app. Newer versions of the Nest thermostats already allow you to manuall

Rumored F1 movie digital release date points to imminent launch ahead of Apple TV+ debut

A new rumor claims Apple’s F1 movie will be available to own digitally on Friday. However, there are two reasons to be skeptical. The source of the rumor is the aptly named website When To Stream. It claims that F1 will come to PVOD, or premium video on demand, starting this Friday. Forbes notes that the website is “typically accurate for its PVOD reports,” but neither Apple nor Warner Bros. has announced a date. Apple’s F1 movie is already out of the average 45 day window between the theatric

Topics: apple date f1 movie pvod

GPT-5 is supposed to be nicer now

In Brief OpenAI announced late Friday that it’s updating its latest model to be “warmer and friendlier.” The company recently launched the much-anticipated GPT-5 in a process that CEO Sam Altman admitted was “a little more bumpy than we’d hoped for,” with some users complaining that they preferred the previous model, GPT-4o. OpenAI is trying to address some of those complaints with this update, with changes that it says are “subtle” but will make GPT-5 “more approachable now.” “You’ll notice

We Finally Know When Guillermo del Toro’s ‘Frankenstein’ Will Hit Theaters and Netflix

It takes a very special Netflix movie to get a theatrical release before hitting the streamer, and Guillermo del Toro’s Frankenstein is certainly that. Netflix just announced it’ll release the monster movie in select theaters on October 17 before debuting on the platform November 7. Now, there’s no word yet on just how “select” the “select theaters” will be. Is it two screens? Is it 2,000? If we look back at Rian Johnson’s Glass Onion: A Knives Out Mystery, another major film to get a similar t

Twisty Apple TV+ thriller hid its big finale reveal from Apple, says creator

Apple TV+ just aired the finale for its crime thriller Smoke, and in a new interview, creator Dennis Lehane talks about hiding the shocking last twist from Apple, and the current status of season 2. Smoke creator on that finale twist and the current status of season 2 Smoke reunited creator Dennis Lehane and star Taron Egerton, who previously collaborated on the limited series Black Bird. That show remains one of the most critically acclaimed shows on Apple TV+. Though the two series feel ver

Deals: M4 Mac mini $499, 24GB M3 MacBook Air $500 off, AirPods, portable SSD, more

Today’s 9to5Toys Lunch Break Apple deals are kicking off the M4 Mac mini. Alongside ongoing deals on the heavily upgraded models, Amazon has now dropped the entry variant down to $499 shipped with the 512GB model at $110 off the list price. From there, we move over to some seriously discounted M3 MacBook Air models – the 15-inch 24GB and the 13-inch 24GB are both $500 off the list price and $400 under the MSRP on the comparable M4 models. Everything else awaits down below. Amazon just knocked t

How much RAM does your PC really need in 2025? I did the math for Windows and Mac users

Kerry Wan/ZDNET Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. I used to struggle when shopping for a new computer. Over time, I learned to narrow things down to what I call the "performance trifecta" -- three main components you should be mindful of when buying a laptop or desktop: processor, storage drive, and RAM. The first two are pretty easy to figure out. A good processor ensures that a computer performs well, and a lot of loca

Picking a Spot for NASA’s Lunar Nuclear Reactor Is Trickier Than It Sounds

In a bold, strategic move for the U.S., acting NASA Administrator Sean Duffy announced plans on Aug. 5, 2025, to build a nuclear fission reactor for deployment on the lunar surface in 2030. Doing so would allow the United States to gain a foothold on the Moon by the time China plans to land the first taikonaut, what China calls its astronauts, there by 2030. Apart from the geopolitical importance, there are other reasons why this move is critically important. A source of nuclear energy will be

Why Paradigm built a spreadsheet with an AI agent in every cell

Anna Monaco has been building AI agents since before the term “AI agents” was even a thing. After building numerous chatbots, she started looking for other types of interfaces that made sense for AI agents and landed on spreadsheets. “I had this personal pattern, and I noticed that a lot of other people had this pattern, of putting very important CRM data in spreadsheets just because it was the most flexible thing,” Monaco told TechCrunch. “But it was actually a pain to maintain. There’s so muc

Unlocking Real-Time Supply Chain Analytics with GPU Technology: Q&A with Meher Siddhartha Errabolu

As supply chains generate ever-larger datasets and demand faster decisions, traditional central processing unit (CPU)-based systems are approaching their limits. To meet real-time requirements at scale, developers turn to accelerated computing powered by graphics processing units (GPUs). These massive parallel processors reshape how data is accessed, analyzed, and operationalized across the enterprise supply chain. One expert at the forefront of this transformation is Meher Siddhartha Errabolu.

Logitech May Soon Prove if It Made the Best Mouse Even Better

Using Logitech’s MX Master mouse can feel like you’re slipping your hand into a cradle form-fitted to your palm. Even if the MX Master lineup has been consistently good, the MX Master 3 proved such a staple that some users continue to flit around on their 8-year-old mouse even as it disintegrates between their aging fingers. Logitech may finally have the update we’ve been waiting for with an MX Master 4. Logitech doesn’t have to change much for it to be one of the best productivity mice once aga

9 Picks of the Best Gaming Mouse, Tested and Reviewed (2025)

Other Good Mice to Consider NZXT Lift 2 Symm Photograph: Eric Ravenscraft NZXT Lift 2 Symm for $50: PC manufacturer NZXT has been venturing out into the peripherals market with impressive products for a company so relatively new to the game. The NZXT Lift 2 Symm is no exception. This mouse has a hollow interior and a base that uses minimal plastic. This gives it an ultra-lightweight feel, but avoids the odd feeling that other mice like the SteelSeries Aerox 3 give off by reducing the amount of

Google Translate prepares speed vs accuracy modes for translation (APK teardown)

Rita El Khoury / Android Authority TL;DR Google is working on new features for Google Translate, including a new AI model picker. The model picker will let users choose between “Fast” and “Advanced” models, allowing them to choose between quick translations or more accurate ones powered by Gemini. Only English-Spanish/French pairs are supported so far for the Advanced model. Google has been working on several major new features for Google Translate. These include AI-enabled translations, a r

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

The best Motorola phones of 2025: Is the $1,300 Razr Ultra worth buying?

While Apple iPhones remain a popular pick amongst consumers, there's no denying that Android offers more variety. From hardware to software, there are different kinds of phones -- including foldables -- at every price point. If you're going to spend on an Android, you should look at Motorola phones for their unbeatable value proposition. You will always find a Moto device at the top of our recommendations thanks to its clean user interface, similar to that of Google Pixel phones, but with more c

The best flip phones of 2025: Where does the Samsung Galaxy Z Flip 7 stand?

Flip phones have come a long way in the last decade. After their resurgence with the 2019 Motorola Razr refresh, they have only improved over the years. The best flip phones not only have a big cover display and a strong hinge but also an intuitive software to utilize their unique designs. The 2025 Motorola Razr Ultra, for instance, packs an AMOLED foldable display, a feature-rich user interface and a comfortable in-hand feel, alongside a bunch of AI features. However, the $1,300 might not suit

Best Beer Clubs for 2025

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. If you enjoy your beer and have never shied away from new experiences, then a beer subscription box might be up your alley. These are the perfect way to try craft beers -- and more -- from independent breweries, without having to travel across the country and explore mysteries like the difference between an ale and a lager. Also,

Microsoft is finally improving Windows 11’s dark mode

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Posts from this author will be added to your daily email digest and your homepage feed. Microsoft first introduced a dark mode option in Windows 10 in 2016, but there were still plenty of areas of the operating system that looked like a mish-mash of light and dark modes. Nearly a decade later, the latest preview build of Windows 11 now includes even more darkened UI elements.

Nvidia Tilus: A Tile-Level GPU Kernel Programming Language

Tilus: A Tile-Level GPU Kernel Programming Language Documentation | Paper Tilus is a powerful domain-specific language (DSL) for GPU programming that offers: Thread-block-level granularity with tensors as the primary data type. with as the primary data type. Explicit control over shared memory and register tensors (unlike Triton). over shared memory and register tensors (unlike Triton). Low-precision types with arbitrary bit-widths (1 to 8 bits). It also includes automatic tuning, caching,

Anthropic's Claude AI now has the ability to end 'distressing' conversations

Anthropic's latest feature for two of its Claude AI models could be the beginning of the end for the AI jailbreaking community. The company announced in a post on its website that the Claude Opus 4 and 4.1 models now have the power to end a conversation with users. According to Anthropic, this feature will only be used in "rare, extreme cases of persistently harmful or abusive user interactions." To clarify, Anthropic said those two Claude models could exit harmful conversations, like "requests

Anthropic: Claude can now end conversations to prevent harmful uses

OpenAI rival Anthropic says Claude has been updated with a rare new feature that allows the AI model to end conversations when it feels it poses harm or is being abused. This only applies to Claude Opus 4 and 4.1, the two most powerful models available via paid plans and API. On the other hand, Claude Sonnet 4, which is the company's most used model, won't be getting this feature. Anthropic describes this move as a "model welfare." "In pre-deployment testing of Claude Opus 4, we included a pr

Show HN: OverType – A Markdown WYSIWYG editor that's just a textarea

Hi HN! I got so frustrated with modern WYSIWYG editors that I started to play around with building my own. The problem I had was simple: I wanted a low-tech way to type styled text, but I didn't want to load a complex 500KB library, especially if I was going to initialize it dozens of times on the same page. Markdown in a plain <textarea> was the best alternative to a full WYSIWYG, but its main drawback is how ugly it looks without any formatting. I can handle it, but my clients certainly can'

‘KPop Demon Hunters 2’ is Looking More Likely

Since KPop Demon Hunters came out in June and took the world by storm, fans have been clamoring for more. Netflix sure would like to, given how well this one film’s performed, but it seems to be a question of whether the stars will align for it and Sony to make a sequel together. In a recent story from Puck’s Matt Belloni, he lays out some of the film’s financials, namely that it cost Sony over $100 million to produce, and only about $20 million is going to the studio, even with the film’s brie