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Teletext in North America

news.ycombinator.com Unknown 2025-11-02 11:20:38

>>> 2025-08-25 teletext in north america (PDF) I have an ongoing fascination with "interactive TV": a series of efforts, starting in the 1990s and continuing today, to drag the humble living room television into the world of the computer. One of the big appeals of interactive TV was adoption, the average household had a TV long before the average household had a computer. So, it seems like interactive TV services should have proliferated before personal computers, at least following the logic t

Topics: service teletext television tv videotex

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WiFi-3D-Fusion – Real-time 3D motion sensing with Wi-Fi

news.ycombinator.com Unknown 2025-11-03 14:26:42

Live local Wi-Fi sensing with CSI: real-time motion detection + visualization, with optional bridges to: Person-in-WiFi-3D (multi-person 3D pose from Wi-Fi) [CVPR 2024]. (multi-person from Wi-Fi) [CVPR 2024]. NeRF² (neural RF radiance fields). (neural RF radiance fields). 3D Wi-Fi Scanner (RSSI volumetric mapping). This monorepo is production-oriented: robust CSI ingestion from local Wi-Fi (ESP32-CSI via UDP, or Nexmon via tcpdump + csiread ), a realtime movement detector, and a 3D viewer.

Topics: 3d csi monitor sudo time

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Galaxy Z Flip 7 teardown shows how much progress Samsung has made toward repairability

androidauthority.com Unknown 2025-11-04 05:18:25

TL;DR JerryRigEverything dismantled the Galaxy Z Flip 7 in a teardown, revealing its complex hinge and layered screen design. The inner display didn’t survive removal, but the cover screen kept working mid-teardown. Samsung’s foldable still lets dust in, though the removable batteries and Phillips head screws are welcome on the repairability front. We’ve already seen the Galaxy Z Flip 7 hold up surprisingly well in JerryRigEverything’s bend test. Now the YouTuber is back, and this time he’s t

Topics: flip inside samsung screen teardown

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Overwatch 2 will overhaul its progression systems to show more visual flair in matches

engadget.com Unknown 2025-11-04 05:43:36

The next season of Overwatch 2 will bring more than the usual new hero and battle pass to the team shooter. Blizzard announced that Season 18 will introduce a new take on the progression system. As they currently stand, the progression numbers feel pretty divorced from the gameplay; this revamp introduces new ways to display your prowess to teammates and foes in matches as well as some welcome changes to how you see and equip your rewards. The new Progression 2.0 system has overhauled the visua

Topics: hero levels new progression season

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Perplexity's Comet AI Web Browser Had a Major Security Vulnerability

cnet.com See Full Bio 2025-11-04 05:22:06

Comet, Perplexity's new AI-powered web browser, recently suffered from a significant security vulnerability, according to a blog post last week from Brave, a competing web browser company. The vulnerability has since been fixed, but it points to the challenges of incorporating large language models into web browsers. Unlike traditional web browsers, Comet has an AI assistant built in. This assistant can scan the page you're looking at, summarize its contents or perform tasks for you. The proble

Topics: ai assistant brave security web

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Meta Defector Issues Devastating Psychological Takedown of Tech CEOs

futurism.com Unknown 2025-11-04 08:38:33

Nick Clegg, a former Meta executive who left the company at the start of this year, has led many lives. Before jumping ship to the tech world, he was a deputy prime minister of the United Kingdom, a leader of the UK's Liberal Democrat party, and a member of Parliament — and still, the hubris and wealth he saw in Silicon Valley startled even the well-heeled British politico. In an interview with The Guardian pegged to the release of his new book, "How To Save The Internet," Clegg took aim at th

Topics: clegg place silicon tech valley

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How to make things slower so they go faster

news.ycombinator.com Unknown 2025-11-02 11:10:10

Synchronized demand is the moment a large cohort of clients acts almost together. In a service with capacity $\mu$ requests per second and background load $\lambda_0$, the usable headroom is $H = \mu - \lambda_0 > 0$. When $M$ clients align—after a cache expiry, at a cron boundary, or as a service returns from an outage—the bucketed arrival rate can exceed $H$ by large factors. Queues form, timeouts propagate, retries synchronize, and a minor disturbance becomes a major incident. The task is to

Topics: delay headroom rate time varepsilon

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Meta Has Already Won the Smart Glasses Race

wired.com Amy Francombe 2025-11-03 23:00:00

At Meta’s Q2 2025 earnings call at the end of July, Mark Zuckerberg didn’t hold back. “If you don’t have glasses that have AI,” he warned, “you’re probably going to be at a pretty significant cognitive disadvantage compared to other people.” Forget smartphones. According to Zuck, the real interface of the future is what’s sitting on your nose. These AI-powered specs, he argues, will “see what we see, hear what we hear, and talk to us” in real time—offering a kind of digital copilot for everyday

Topics: essilorluxottica glasses meta percent stake

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You can now add AI images directly into LibreOffice documents - here's how

zdnet.com Jack Wallen 2025-11-04 15:25:38

Jack Wallen / Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways There's a new LibreOffice extension for AI-generated images. The extension uses AI Horde to generate images. Images are automatically placed in your document. Although I don't use AI for image generation, I know a lot of people who do. Some of those people regularly work with documents and need the ability to quickly insert AI-generated images into those documents. Last w

Topics: ai extension horde image libreoffice

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Playing every game of Wordle simultaneously

news.ycombinator.com Chris K. W. 2025-11-03 05:34:26

If you’ve fallen far enough down the Wordle rabbit hole you may have heard of Quordle, a version of Wordle where you solve four words at once. If you’re looking for more of a challenge, Britannica has you covered with Octordle, where you solve eight words at once. And of course any Wordler worth their salt should be able to handle sixteen words, like in Sedecordle. And no, it doesn’t stop there: Sexaginta-quattuordle isn’t real, it can’t hurt yo– One logical extreme of this trend would be to

Topics: position secret strategy wordle words

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Forget plug-and-play AI: Here's what successful AI projects do differently

zdnet.com Joe Mckendrick 2025-11-04 20:05:00

Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Only 5% of AI projects deliver. It comes down to the ability to customize. With partnerships in place, AI success odds double. Ask the right questions before deciding between building or buying. There's a tremendous gap between AI aspirations and actual successful projects -- this was shown in the recent MIT study that found only 5% of generative AI projects have delivered measurable va

Topics: ai business study tools workflows

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visionOS 26 developer beta 8 now available

9to5mac.com Marcus Mendes 2025-11-05 00:07:13

Alongside the new macOS 26 developer beta 8, Apple is also rolling out the eighth developer beta of visionOS 26, and the rest of the operating systems it announced during WWDC25. Here’s what’s coming. The build number for today’s visionOS 26 beta 8 release is 23M5332a. If you want to enroll in the developer beta program for Apple Vision Pro, here’s what you’ve got to do: Open the Settings app Choose “General” Choose “Software Update” Select “Beta Updates” Select “visionOS Developer Beta” Wha

Topics: 26 beta developer new visionos

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Astronomers Revisit the Mysterious Wow! Signal—and Find a Big Surprise

gizmodo.com Ellyn Lapointe 2025-11-05 00:30:00

Nearly 50 years ago, astronomers searching the cosmos for evidence of intelligent extraterrestrial life detected a strong radio signal emanating from deep space. Today, scientists still aren’t sure where—or what—the Wow! Signal came from. It remains one of the most perplexing phenomena in the history of radio astronomy. A new study has brought scientists closer than ever to solving that mystery. Researchers from the Arecibo Wow! (AWOW) project at the Arecibo Observatory in Puerto Rico recently

Topics: mystery méndez researchers signal wow

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With a new Soyuz rocket, Russia seeks to break its Ukrainian dependency

arstechnica.com Unknown 2025-11-05 00:17:20

In recent comments to the Russian state-run media service TASS, the chief of Roscosmos said the country's newest rocket, the Soyuz-5, should take flight for the first time before the end of this year. "Yes, we are planning for December," said Dmitry Bakanov, the director of Roscosmos, Russia's main space corporation. "Everything is in place." According to the report, translated for Ars by Rob Mitchell, the debut launch of Soyuz-5 will mark the first of several demonstration flights, with full

Topics: launch rocket russia soyuz ukraine

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Tech founder throws hat in California governor’s race

techcrunch.com Dominic-Madori Davis 2025-11-05 00:05:22

In Brief Tech founder Ethan Agarwal, who has raised tens of millions of dollars from VCs across two startups, is running for the 2026 California gubernatorial seat, as reported by Axios. Axios described Agarwal as a “Democrat who believes in capitalism.” He told the outlet he’s mainly concerned about the increased cost of living and doing business in the state, which has led to the departure of residents and other opportunities, such as film productions. California “could use some business an

Topics: agarwal axios business coterie raised

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As Health Questions Swirl, Weird Spot Appears on Trump’s Hand

futurism.com Unknown 2025-11-05 05:08:00

Image by Andrew Caballero-Reynolds / AFP via Getty / Futurism Treatments Over the past few months, a small media circus has ignited after the White House announced that 79-year-old president Donald Trump, who had been photographed with swollen ankles, had been diagnosed with a disorder called chronic venous insufficiency that causes blood to pool in the extremities. Now, amid the increasing scrutiny about those "cankles," it appears the president or his aides are obfuscating another visible ai

Topics: hand house president trump white

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Two smart ring brands will no longer be available to US shoppers (Update: Statement)

androidauthority.com Unknown 2025-11-05 04:42:37

Ultrahuman also tells Android Authority that it is fast-tracking a newly designed smart ring. You can read the full statement below: We welcome the ITC’s recognition of consumer-protective exemptions and its rejection of attempts to block the access of U.S. consumers. Customers can continue purchasing and importing Ring AIR directly from us through October 21, 2025, and at retailers beyond this date. What’s more, our software application and charging accessories remain fully available, after t

Topics: commission competition consumer patent ring

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Building the mouse Logitech won't make

news.ycombinator.com Unknown 2025-11-05 04:34:50

Building the Mouse Logitech Won't Make My absolute favorite mouse is the MX Ergo from Logitech. It's a trackball mouse with a good number of buttons and a comfortable, ergonomic tilt. It clicked with me as soon as I tried it, and I've been using one since they came out back in 2017. However, it's not without its issues. There are 3 main areas where the sheen of perfection wears off: It uses a micro-USB port to charge. The switches are a little loud and clicky. The software is bloated. After

Topics: logitech mouse port silent switches

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Scientists Have Identified the Origin of an Extraordinarily Powerful Outer-Space Radio Wave

wired.com Jorge Garay 2025-11-03 03:49:17

The Earth is constantly receiving space signals that contain vital information about extremely energetic phenomena. Among the most peculiar are brief pulses of extremely high-energy radio waves, known as fast radio bursts (FRB). Astronomers compare them to a powerful lighthouse that shines for milliseconds in the middle of a rough, distant sea. Detecting one of these signals is an achievement in itself, but identifying its origin and understanding the nature of its source remains one of the grea

Topics: chime frbs rbfloat signals team

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Netflix sets opening dates for its destination entertainment hubs

engadget.com Unknown 2025-11-05 10:08:51

We now have the opening dates for Netflix's branded entertainment complexes that we first learned of in 2023. The 100,000-square-foot amusement centers will be centered around all things Netflix and will include a retail component, a restaurant called Netflix Bites and numerous "immersive story-driven experiences" based on the company's most successful properties. The Netflix House in Philadelphia will open November 12 at the King of Prussia Mall, and the Dallas location will open December 11 a

Topics: experiences immersive location netflix shows

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How to Make Things Slower So They Go Faster

news.ycombinator.com Unknown 2025-11-03 17:10:10

Synchronized demand is the moment a large cohort of clients acts almost together. In a service with capacity $\mu$ requests per second and background load $\lambda_0$, the usable headroom is $H = \mu - \lambda_0 > 0$. When $M$ clients align—after a cache expiry, at a cron boundary, or as a service returns from an outage—the bucketed arrival rate can exceed $H$ by large factors. Queues form, timeouts propagate, retries synchronize, and a minor disturbance becomes a major incident. The task is to

Topics: delay headroom rate time varepsilon

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Hundreds lose water source in Colorado's poorest county with no notice

news.ycombinator.com Jennifer Brown 2025-11-05 09:50:21

FORT GARLAND — In the sandy hills scattered with piñon pine and spiky yucca, hundreds of people have relied on a water supply that is so much a part of the local culture that Costilla County residents describe it as a way of life. Drilling for water is a pricey gamble on the high desert where many live off the grid at 7,500 to 10,000 feet of elevation. A well could cost $25,000 with no guarantee that water will spring, even after digging hundreds of feet. Instead, many people in the poorest co

Topics: fort garland residents said water

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Huge Parts of the North Sea Seabed Are Upside Down, New Study Reveals

gizmodo.com Margherita Bassi 2025-11-05 10:25:03

In the world of stratigraphy, or rock layers, superficial sediments are usually younger than the deeper ones they settle upon. The North Sea, however, has revealed giant mounds of sand that defy this geological principle on a scale scientists have never seen before. Researchers from Norway and the UK have identified hundreds of sand bodies under the North Sea that seem to have sunk deeper into the ocean’s crust, swapping places with older layers, which floated to the top of the sand structures.

Topics: carbon layers sand sediments sinkites

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The White House Wants to Beautify US Websites. This Airbnb Co-Founder Is in Charge

cnet.com See Full Bio 2025-11-05 10:03:20

The Trump administration is putting Airbnb co-founder Joe Gebbia in charge of a newly created National Design Studio tasked with reimagining federal websites. Gebbia, who will serve as the Chief Design Officer of the US, posted on X on Saturday that he'll be working to update government services "to be as satisfying to use as the Apple Store: beautifully designed, great user experience, run on modern software." In the X post, Gebbia said that his work will support the new America by Design ini

Topics: airbnb design gebbia government new

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Defending against malware persistence techniques with Wazuh

bleepingcomputer.com Unknown 2025-11-05 15:01:11

Malware persistence techniques enable attackers to maintain access to compromised endpoints despite system reboots, credential changes, or other disruptions. Common methods include altering configurations, injecting startup code, and hijacking legitimate processes. These approaches ensure the malware or attacker remains active, allowing malicious activities to continue without the need for re-exploitation. In this article, we will examine the nature of malware persistence techniques, their imp

Topics: access malware persistence techniques wazuh

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Prediction-Encoded Pixels image format

news.ycombinator.com Unknown 2025-11-05 11:05:38

Prediction-Encoded Pixels This format is specifically designed to be for low-color pixel art (<=16 colors works best, up to 256 colors is supported). It uses "Prediction by Partial Matching, Order-2" compression, which is able to compress packed-palette-indices smaller than GIF, PNG, and QOI, while sacrificing a bit of time. It's 2-10x slower than GIF/PNG/QOI (depending on the image), but often compresses the image 20-50% smaller than GIF/PNG (and multiple-times smaller than QOI). If you care

Topics: compression image in_pep pep struct

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Show HN: Base, an SQLite database editor for macOS

news.ycombinator.com Unknown 2025-11-05 15:17:38

Intuitive Table Editor Create and modify tables with ease using Base's visual table editor. No need to write complex CREATE or ALTER statements. Add and organize columns and define constraints through a clean interface. The table editor makes database design accessible to everyone.

Topics: accessible clean create editor table

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The Size of Adobe Reader Installers Through the Years

news.ycombinator.com Unknown 2025-11-05 18:03:30

The Size of Adobe Reader Installers Through The Years Latest update: 2025-08-25 11:30:02 At the time of writing, the most recent Adobe Reader 25.x.y.z 64-bit installer for Windows 11 weights 687,230,424 bytes. After installation, the program includes 'AI' (of course), an auto-updater, sprinkled ads for Acrobat online services everywhere, and 2 GUIs: 'new' and 'old'. For comparison, the size of SumatraPDF-3.5.2 installer is 8,246,744 bytes. It has no 'AI', no auto-updater (though it can check

Topics: adobe ai installer reader size

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Apple’s three-year iPhone plan is a break from the boring

theverge.com Emma Roth 2025-11-05 20:53:14

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. Next month, Apple is rumored to debut a slimmed-down iPhone Air, breaking from the small design tweaks and spec bumps that have become routine at its launch events. The three-year plan will see its hardware change to mesh with the new Liquid Glass design in its

Topics: apple design device iphone launch

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The Pixel Recorder’s Expressive redesign is rolling out now, but it’s not a total win

androidauthority.com Unknown 2025-11-06 00:04:37

Hadlee Simons / Android Authority TL;DR The Pixel Recorder app has received a visual overhaul in line with Google’s Material 3 Expressive style. Expect changes like a larger play button, more prominent toggles, and larger waveforms. The app also takes a step back by moving some useful shortcut icons into the three-dot menu. The Recorder app is one of my favorite Pixel phone features, owing to its on-device transcriptions, cloud backup functionality, and web-based access. Over the years, the

Topics: app expressive google material old

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Latest Tech News

Teletext in North America

WiFi-3D-Fusion – Real-time 3D motion sensing with Wi-Fi

Galaxy Z Flip 7 teardown shows how much progress Samsung has made toward repairability

Overwatch 2 will overhaul its progression systems to show more visual flair in matches

Perplexity's Comet AI Web Browser Had a Major Security Vulnerability

Meta Defector Issues Devastating Psychological Takedown of Tech CEOs

How to make things slower so they go faster

Meta Has Already Won the Smart Glasses Race

You can now add AI images directly into LibreOffice documents - here's how

Playing every game of Wordle simultaneously

Forget plug-and-play AI: Here's what successful AI projects do differently

visionOS 26 developer beta 8 now available

Astronomers Revisit the Mysterious Wow! Signal—and Find a Big Surprise

With a new Soyuz rocket, Russia seeks to break its Ukrainian dependency

Tech founder throws hat in California governor’s race

As Health Questions Swirl, Weird Spot Appears on Trump’s Hand

Two smart ring brands will no longer be available to US shoppers (Update: Statement)

Building the mouse Logitech won't make

Scientists Have Identified the Origin of an Extraordinarily Powerful Outer-Space Radio Wave

Netflix sets opening dates for its destination entertainment hubs

How to Make Things Slower So They Go Faster

Hundreds lose water source in Colorado's poorest county with no notice

Huge Parts of the North Sea Seabed Are Upside Down, New Study Reveals

The White House Wants to Beautify US Websites. This Airbnb Co-Founder Is in Charge

Defending against malware persistence techniques with Wazuh

Prediction-Encoded Pixels image format

Show HN: Base, an SQLite database editor for macOS

The Size of Adobe Reader Installers Through the Years

Apple’s three-year iPhone plan is a break from the boring

The Pixel Recorder’s Expressive redesign is rolling out now, but it’s not a total win

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