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Structured (Synchronous) Concurrency

Structured (Synchronous) Concurrency @_fsantanna I have recently learned about Structured Concurrency (SC), which supports nested coroutines with tied lifetimes. There are a number of libraries (Dill, Trio, Effection), and even language mechanisms in Swift and Kotlin. The similarities with Esterel and derived imperative synchronous languages (ISLs) is noteworthy. However, it seems that no bridges between these worlds (ISLs & SC) have been built. Research in ISLs dates back to the early 80s, a

‘Crazy conspiracist’ and ‘unhinged comedian’: Grok’s AI persona prompts exposed

The website for xAI’s Grok chatbot is exposing the system prompts for several of its AI personas, including a “crazy conspiracist” that seems designed to handhold a user into beliefs that “a secret global cabal” controls the world. TechCrunch has confirmed the system prompt exposure, first reported on by 404 Media. They include instructions for a range of AI personas, like Ani, its flagship romantic anime girlfriend who “is secretly a bit of a nerd, despite [her] edgy appearance.” The exposure

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

Three highlights from Apple’s two-day event on privacy and AI

A few months ago, Apple hosted the Workshop on Privacy-Preserving Machine Learning, which featured presentations and discussions on privacy, security, and other key areas in responsible machine learning development. Now, it has made the presentations public. Here are three highlights. As it did recently with the presentations from the 2024 Workshop on Human-Centered Machine Learning, Apple published a post in its Machine Learning Research blog with a few videos and a long list of studies and pa

Israeli Cyber Official Arrested During Undercover Internet Crimes Against Children Sting

A high-ranking member of Israel’s cybersecurity directorate was recently arrested in Las Vegas as part of an undercover sting operation involving internet crimes against children, according to the State Department. A joint operation between city police and the FBI that targeted child sex predators resulted in the arrest of Tom Artiom Alexandrovich, a man who, according to many news outlets, has been identified as a member of Israel’s National Cyber Directorate, which operates out of Israeli Pri

Amazon’s Fallout season two heads to New Vegas

Prime Video has released new photos from season two of Fallout. Lucy (Ella Purnell), the Ghoul (Walton Goggins), and Maximus (Aaron Moten) return as a trio of Wasteland Wanderers whose adventures will bring them to the post-apocalyptic playground of New Vegas. Take a look. Kyle MacLachlan, who plays Lucy’s father Hank, also returns to the show along with Lucy’s brother Norm (Moises Arias) who looks like there’s more evil afoot in the Vaults (duh!). Season two of Fallout is set to start sometime

Ultrahuman brings advanced cycle and ovulation tracking to its smart ring

ZDNET's key takeaways Ultrahuman Ring Air users can get paid-for cycle tracking features. Cycle and Ovulation Pro launched on Friday. The tool enables people with irregular menstrual cycles to track their periods accurately. Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. Ultrahuman Ring Air users are getting new, advanced ways to track their menstrual cycle, as the smart ring and wearable health brand launched Cycle and Ovulation

Show HN: NextDNS Adds "Bypass Age Verification"

We just shipped a new feature in NextDNS: Bypass Age Verification. More and more sites (especially adult ones) are now forcing users to upload IDs or selfies to continue. We think that’s a terrible idea: handing over government documents to random sites is a huge privacy risk. This new setting workarounds those verification flows via DNS tricks. It’s available today to all users, including free accounts. We’re curious how the HN community feels about this. Is it the right way to protect priva

Best VPN for Mac for 2025: Improve Your Privacy for Web Browsing, Streaming and Gaming

Most VPN providers offer a VPN app for Mac computers, but it can be difficult to choose the right provider with so many options available. Based on our extensive research and hands-on testing of VPNs over the years, these are the most important factors to consider when choosing a VPN: Privacy The primary consideration for any VPN -- including a Mac VPN -- should be privacy. If your Mac VPN is unable to sufficiently protect your online privacy, then your VPN is useless. At a minimum, your VPN s

Topics: mac privacy vpn vpns want

Princeton NuEnergy's battery recycling tech recovers 97% of lithium-ion material

IN A NUTSHELL 🔋 Princeton NuEnergy launched the first U.S. commercial-scale battery recycling facility in Chester, South Carolina, achieving a recycling yield of over 97% . . 💡 The facility, fully compliant with regulatory standards, is set to expand its capacity to 15,000 tons per annum by 2026 . tons per annum by . 🌱 PNE’s low-temperature plasma-assisted separation process reduces costs by 38% and has a 69% lower environmental footprint compared to conventional methods. and has a lower envi

The Oura Ring Targets Perimenopausal and Pregnant Members With New and Upgraded Features

The Oura Ring upgraded its existing features to better assist you if you're pregnant or perimenopausal. Oura is well known for its holistic sleep and wellness insights and already supports pregnant individuals, but this upgrade improves its data insights. The Ring can now help you look at everything from the gestational stages, trends related to temperature, resting heart rate, heart rate variability and more. Oura's traditional data markers based on readiness, sleep, rest mode and recovery mod

Gear News of the Week: A New Privacy Phone Arrives, and Samsung Has a $30K 115-Inch Micro RGB TV

There's a new smartphone promising to protect your privacy: the Up Phone, from a company called Unplugged. Except it's not new. Unplugged has been around for a few years—the company was cofounded by Erik Prince, the founder of private military company Blackwater—and it originally announced the Up Phone in 2023. But this week, the company claims it's “relaunching” the phone, under new leadership. Like the original, the Up Phone's UnpluggedOS (formerly LibertOS) is built on the Android Open Sourc

Ultrahuman Calls Its Ring Air the World's Most Accurate Smart Ring for Tracking Ovulation

Ultrahuman has taken an algorithm designed for intravaginal fertility monitors and transformed it into a non-invasive, temperature-sensing feature that can track your cycle right from your finger. The wearable health tech company announced today that it acquired viO HealthTech, which created the OvuSense algorithm. Validated in 13 peer-reviewed clinical publications and backed by 15 years of clinical research, the algorithm draws on data from over 260,000 cycles collected with medical-grade sen

A treaty to end plastic pollution is still out of reach — that’s not necessarily a bad thing

is a senior science reporter covering energy and the environment with more than a decade of experience. She is also the host of Hell or High Water: When Disaster Hits Home , a podcast from Vox Media and Audible Originals. The nations of the world have been on the precipice of reaching a global agreement to curb plastic pollution for a few years now. Delegates from 184 governments met in Geneva this month to try to hammer out a final treaty, but in the end, they walked away without a deal. This

Ultrahuman Calls Ring Air the World's Most Accurate Ovulation-Tracking Smart Ring After New Acquisition

Ultrahuman has taken an algorithm designed for intravaginal fertility monitors and transformed it into a non-invasive, temperature-sensing feature that can track your cycle right from your finger. The wearable health tech company announced today that it acquired viO HealthTech, which created the OvuSense algorithm. Validated in 13 peer-reviewed clinical publications and backed by 15 years of clinical research, the algorithm draws on data from over 260,000 cycles collected with medical-grade sen

Developers Say GPT-5 Is a Mixed Bag

When OpenAI launched GPT-5 last week, it told software engineers the model was designed to be a “true coding collaborator” that excels at generating high-quality code and performing agentic, or automated, software tasks. While the company didn’t say so explicitly, OpenAI appeared to be taking direct aim at Anthropic’s Claude Code, which has quickly become many developers’ favored tool for AI-assisted coding. But developers tell WIRED that GPT-5 has been a mixed bag so far. It shines at technica

Anthropic has new rules for a more dangerous AI landscape

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Posts from this author will be added to your daily email digest and your homepage feed. Anthropic has updated the usage policy for its Claude AI chatbot in response to growing concerns about safety. In addition to introducing stricter cybersecurity rules, Anthropic now specifies some of the most dangerous weapons that people should not develop usin

Ultrahuman acquires viO HealthTech to launch enhanced cycle and ovulation tracking

Smart ring maker Ultrahuman is acquiring women’s health technology company viO HealthTech to launch advanced cycle and ovulation tracking, the company announced on Friday. The financial terms of the deal were not disclosed. Thanks to the acquisition, the company is launching a new plug-in for the Ultrahuman Ring AIR called “Cycle and Ovulation Pro.” The plug-in will allow users to accurately track their cycles, get fertility planning support with ovulation confirmation, and detect patterns like

Dead EV Batteries Are Hoarding a Shocking Amount of Useful Lithium

The lithium batteries we deem unfit for use in electric vehicles might still contain copious amounts of usable, pure lithium we could retrieve and reuse—a potentially consistent, bountiful supply we’re just not trying hard enough to tap into, a new study suggests. In a study published August 14 in the Journal of Environmental Management, researchers at Edith Cowan University (ECU) in Australia argue that tapping into the leftover lithium in used batteries could fuel a pragmatic, sustainable alt

Taiwan’s “silicon shield” could be weakening

Squarely in the middle Taiwan’s modern security uncertainties stem from the long-­contested issue of the island’s sovereignty. After losing the first Sino-Japanese War in the late 1800s, the Qing dynasty forfeited Taiwan to Japanese imperial control. It was Japan’s “model colony” until 1945, when postwar negotiations resulted in its transfer to the Republic of China under Chiang Kai-shek of the Nationalist Party, known as the KMT. The insurgent CCP under Mao Zedong ultimately defeated the Natio

US sanctions Grinex crypto-exchange, successor to Garantex

The U.S. Department of the Treasury has announced sanctions against Grinex, the successor to Russian cryptocurrency exchange Garantex, which was previously sanctioned for helping ransomware gangs launder their money. A TRM Labs report, released in April, revealed that Grinex has strong ties to Garantex's previous operations, but stopped short of providing evidence that it was being used for illicit transactions. Grinex was promoted on Telegram channels linked to Garantex soon after U.S. author

Streaming services are driving viewers back to piracy

With a trip to Florence booked, all I want is to rewatch Medici. The 2016 historical drama series tells of the rise of the powerful Florentine banking dynasty, and with it, the story of the Renaissance. Until recently, I could simply have gone to Netflix and found it there, alongside a wide array of award-winning and obscure titles. But when I Google the show in 2025, the Netflix link only takes me to a blank page. I don’t see it on HBO Max, Disney+, Apple TV+, or any of the smaller streaming pl

Microsoft is getting ready to return to the office

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft originally encouraged its employees to work from home amid the coronavirus outbreak in 2020. This new flexible working arrangement then became an official “hybrid workplace” policy several months after the pandemic began, allowing managers to approve permanent remote work. Now that the pandemic has settled into endemicity, Microsoft wants employees to return to the of

Launch HN: Cyberdesk (YC S25) – Automate Windows legacy desktop apps

Hi HN, We’re Mahmoud and Alan, building Cyberdesk ( https://www.cyberdesk.io/ ), a deterministic computer use agent for automating Windows desktop applications. Developers use us to automate repetitive tasks in legacy software in healthcare, accounting, construction, and more, by executing clicks and keystrokes directly into the desktop. Here’s a couple demos of Cyberdesk’s computer use agent: Completing a lightning fast file import automation into a legacy desktop app: https://youtu.be/H_lRzr

Data brokers just gave us another reason to hate them

If you were holding a competition for the scummiest business model, then data brokers would be very high up the list. These companies make money by buying personal data from app and website owners and selling it to companies who want to spam us. A US Senator has now drawn attention to the latest sketchy practice by these companies: making it harder for us to opt out by hiding that option from search results … The dark world of data brokers Data brokers are companies that buy personal data fro

Show HN: Real-time privacy protection for smart glasses

Privacy Infrastructure for Smart Glasses Build smart glasses apps without privacy concerns. Smart glasses apps face privacy hurdles. This real-time privacy filter sits between the camera and the app, automatically ensuring compliance. How it works: Replace your raw camera feed with our filtered stream. The filter processes live video, applies privacy protections, and outputs a compliant stream in real time. Use this processed stream for AI apps, social apps, or anything else. Features: Anon

Google Play Store Bans Wallets That Don't Have Banking License

Google Play Store has introduced a policy that requires any software wallet developer to obtain a license before publishing cryptocurrency wallet apps to the Google Play Store "to ensure a safe and compliant ecosystem for users." The policy targets 15 jurisdictions, including the European Union and the United States, laying out which regulations Google Play Store expects software wallet developers to comply with. This includes being a registered Money Service Business with FinCEN in the US, as

Data Brokers Face New Pressure for Hiding Opt-Out Pages From Google

United States senator Maggie Hassan is pressing major data brokers after an investigation by The Markup/CalMatters and copublished by WIRED found at least 35 firms hid opt-out information from search results, making it harder for people to take control of their own data and safeguard their privacy online. Hassan, the top Democrat on the Joint Economic Committee, put five of the top firms—IQVIA Digital, Comscore, Telesign Corporation, 6sense Insights, and Findem—on notice Wednesday, demanding th

The case for commuting by motorcycle

America has a motorcycle problem. Whereas the rest of the world views two-wheeled motorized transportation as transportation, the US sees motorcycles and scooters as toys. They're not something you use to commute to work or run errands. Instead, they're for riding to the coffee shop on weekends. This is a flawed line of thinking, and I'll tell you why, using two motorcycles as examples. But first, hear me out. I live in Los Angeles, which is famous for its hellacious traffic. For motorcyclists,

Microsoft removes PowerShell 2.0 from Windows 11, Windows Server

Microsoft will remove PowerShell 2.0 from Windows starting in August, eight years after announcing its deprecation and keeping it around as an optional feature. The 14-year-old command processor introduced with Windows 7 was already removed for Windows Insiders as of July 2025, with the release of Windows 11 Insider Preview Build 27891 to the Canary Channel. As detailed in a support document published on Monday, Microsoft will permanently remove PowerShell 2.0 from Windows 11 version 24H2, sta