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Simulations reveal the secret to strengthening carbon fiber

news.ycombinator.com Oak Ridge National Laboratory Is Managed Ut-Battelle Llc For The Us Department Of Energy 2026-02-15 15:08:24

ORNL researchers found a way to double the tensile strength of carbon-fiber composites by reinforcing the material with a thin layer of PAN nanofibers. A human hair is approximately 100 times wider than one of these fibers. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy Stronger than steel and lighter than aluminum, carbon fiber is a staple in aerospace and high-performance vehicles — and now, scientists at the Department of Energy’s Oak Ridge National Laboratory have found a way to make it ev

Topics: carbon composites fiber nanofibers ornl

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Waste into Construction Materials: Geopolymers from Recycled Sources

news.ycombinator.com Cigala 2026-02-20 00:53:33

1. Introduction 3,4,5,6,7, The construction industry stands as a major contributor to global waste generation, with the accumulation of construction and demolition debris (C&D) posing a significant environmental challenge [ 1 ]. This ever-increasing waste volume necessitates a fundamental shift towards sustainable practices, driving research and development into innovative, eco-friendly construction materials [ 2 ]. Among these promising alternatives, geopolymers have emerged as a compelling su

Topics: geopolymers glass material materials waste

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First-Class Models: The Missing Productivity Revolution

news.ycombinator.com Guyren Howe 2026-02-16 14:48:11

TL;DR: First-class models with branching and merging capabilities represent an almost entirely unused enormous productivity and expressiveness unlock in programming and computer systems. The Current State: Well-Designed Systems, Constrained Users Imagine you’re building an accounting system from scratch. You’d design it properly: a normalized database schema, algebraically defined operations for debits and credits, account reconciliation, and comparison functions. You’d implement data-only, in

Topics: data operations state systems users

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Brazil’s antitrust watchdog says Apple must face penalties over NFC restrictions

9to5mac.com Marcus Mendes 2026-02-20 06:04:39

Apple’s week is off to a rough start. First, Proton filed a class action lawsuit in the U.S. Almost simultaneously, a judge in New Jersey rejected Apple’s attempt to dismiss a federal antitrust case. And on Monday night, things got a little worse: CADE, Brazil’s antitrust watchdog, formally recommended that Apple be sanctioned for restricting access to the iPhone’s NFC chip and forcing developers to use Apple Pay. In its ruling, CADE’s General Superintendence said Apple’s behavior creates “art

Topics: apple cade developers new users

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Cloudflare experiment will block AI bot scrapers unless they pay a fee

engadget.com Unknown 2026-02-20 06:15:23

Cloudflare has rolled out a couple of new measures meant to keep AI bot crawlers at bay. To start with, every new domain customer that signs up with the company to manage their website traffic will now be asked if they want to allow AI crawlers or to block them altogether. The company released a free tool in 2024 to block AI bots, but with this change, users can block them by default without having to tinker with their settings. Several big publishers, including Condé Nast, TIME and The Associat

Topics: ai cloudflare company content crawlers

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Google Keep no longer supports the Apple Watch

engadget.com Unknown 2026-02-20 06:30:12

Google has rolled out the latest version of Keep and, as 9to5Google has noticed, it no longer supports the Apple Watch. Its iTunes listing now only shows what the note-taking app would look like for iPhones and iPads. Google made its Keep app compatible with Apple Watches back in 2019 when its apps made a return on the wearable after over a year of absence. It hasn't had a meaningful update for the device since then, but it worked just fine. Users who rely on Keep across iOS and Android for, sa

Topics: app apple google iphones users

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I Asked Ring Home Security and Nextdoor About Tracking Ice Raids With Their Tech: Is It Legal?

cnet.com See Full Bio 2026-02-20 05:00:00

2025 has seen a growing home security practice unheard of a few short months ago: Neighborhoods are using their security cameras and doorbells to track police activity in their area, like ICE raids in California, and share the information via apps like Ring Neighbors. Law enforcement, which has grown accustomed to requesting home security videos for its own purposes, does not appear to be a fan of it used against their activities. Security companies walk a tightrope while deciding what to allow

Topics: enforcement like neighbors posts ring

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Web giant Cloudflare to block AI bots from scraping content by default

cnbc.com Ryan Browne 2026-02-20 16:07:10

In this article NET Follow your favorite stocks CREATE FREE ACCOUNT Jaque Silva | Nurphoto | Getty Images Internet firm Cloudflare will start blocking artificial intelligence crawlers from accessing content without website owners' permission or compensation by default, in a move that could significantly impact AI developers' ability to train their models. Starting Tuesday, every new web domain that signs up to Cloudflare will be asked if they want to allow AI crawlers, effectively giving them

Topics: ai cloudflare content crawlers data

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Cloudflare will now, by default, block AI bots from crawling its clients’ websites

technologyreview.com Peter Hall 2026-02-20 16:00:57

However, such systems don’t provide the same opportunities for monetization and credit as search engines historically have. AI models draw from a great deal of data on the web to generate their outputs, but these data sources are often not credited, limiting the creators’ ability to make money from their work. Search engines that feature AI-generated answers may include links to original sources, but they may also reduce people’s interest in clicking through to other sites and could even usher i

Topics: ai cloudflare companies content crawlers

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The Best Gadgets of June 2025

gizmodo.com Raymond Wong 2026-02-19 22:46:52

With developer conference season in the rearview mirror—Google gave us boatloads of AI, Android XR smart glasses, and a hell of a lot of Veo 3 slop, and Apple ushered in “Liquid Glass” for all of its “26” software—we can now turn our full attention back to checking out the shiny and comforting world of gadgets because it’s just goddamn depressing everywhere else you look. If it’s not the technoking being a dingus again, it’s the world’s most powerful man grifting with a shitty gold Android phone

Topics: best meta version world xbox

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Microsoft Offers Free Windows 10 Extended Security Updates, but There's a Catch

cnet.com See Full Bio 2026-02-20 15:30:03

Microsoft is closing the door on Windows 10 in October 2025, and will be ceasing security support for that operating system unless users pay $30 for a one-year extended security update. On June 24, with less than four months on the clock until support expires, Microsoft has added a free option. Users need to turn on cloud backup and connect it to their OneDrive account. The ability to get free updates on Windows 10 is a pretty big deal because it is still the most widely used Windows OS, accoun

Topics: microsoft security updates users windows

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Uber Adds Rental Car Delivery and Discounted Airport Rides Ahead of July 4 Weekend Surge

cnet.com See Full Bio 2026-02-20 17:00:09

With AAA forecasting that a record-breaking 72 million Americans will travel during the week of July 4, ride-hailing and delivery company Uber is launching various updates to make summer vacations more seamless. Uber is significantly expanding its rental-car delivery service, introducing new airport options for ride-sharing and prescheduled pickups, and adding more flexibility for hotel food deliveries. Read also: Uber's Simplified App for Seniors Is Launching Nationwide Car rental dropoff exp

Topics: airport car delivery travelers uber

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You Can Play Diablo 4 for Free This Month With PlayStation Plus

cnet.com See Full Bio 2026-02-20 17:30:03

Diablo 4 is Blizzard's latest entry in the dark-fantasy RPG series. And all PlayStation Plus subscribers can fight cultists and demons, loot and collect powerful weapons and explore an expansive mythical world in the popular game now. PlayStation Plus is Sony's version of Xbox Game Pass, and it offers subscribers a large, constantly expanding library of games. Subscribers can choose from the Essential, Extra and Premium tiers, which each have their own unique perks and benefits. The plans start

Topics: game games plus ps subscribers

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Pay up or stop scraping: Cloudflare program charges bots for each crawl

arstechnica.com Unknown 2026-02-20 16:00:44

Cloudflare is now experimenting with tools that will allow content creators to charge a fee to AI crawlers to scrape their websites. In a blog Tuesday, Cloudflare explained that its "pay-per-crawl" feature is currently in a private beta. A small number of publishers—including AdWeek, The Associated Press, The Atlantic, BuzzFeed, Fortune, Gannett, and Ars Technica owner Condé Nast—will participate in the experiment. Each publisher will be able to set their own prices that bots must pay before sc

Topics: ai bots cloudflare content publishers

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Tinder’s mandatory facial recognition check comes to the US

theverge.com Jess Weatherbed 2026-02-20 15:10:31

Tinder is trialing mandatory facial recognition security features in the US to verify profiles and crack down on impersonation and fake accounts. New users in California are now required to provide a biometric “Face Check” scan to confirm their face matches their profile photos for the dating service, Axios reported on Monday. The Face Check feature involves taking a short video selfie that’s used to match biometric indicators and prove that the Tinder user isn’t a bot using artificially genera

Topics: check face feature tinder users

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Cloudflare will now block AI crawlers by default

theverge.com Emma Roth 2026-02-20 16:00:00

The major internet architecture provider Cloudflare will now block known AI web crawlers by default to prevent them from “accessing content without permission or compensation,” according to an announcement on Tuesday. With the change, Cloudflare will start asking new domain owners whether they want to allow AI scrapers, and will even let some publishers implement a “Pay Per Crawl” fee. The Pay Per Crawl program will let publishers set a price for AI scrapers to access their content. AI companie

Topics: ai block cloudflare content crawlers

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Cloudflare launches a marketplace that lets websites charge AI bots for scraping

techcrunch.com Maxwell Zeff 2026-02-20 16:00:00

Cloudflare, a cloud infrastructure provider that serves 20% of the web, announced Tuesday the launch of a new marketplace that reimagines the relationship between website owners and AI companies — ideally giving publishers greater control over their content. For the last year, Cloudflare has launched tools for publishers to address the rampant rise of AI crawlers, including a one-click solution to block all AI bots, as well as a dashboard to view how AI crawlers are visiting their site. In a 20

Topics: ai cloudflare crawlers marketplace publishers

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Are AI subscriptions worth it? Most people don't seem to think so, according to this study

zdnet.com Tiernan Ray 2026-02-20 12:00:00

Andriy Onufriyenko/Getty Artificial intelligence (AI) has reached a tipping point. People have adopted AI at an unprecedented scale, with almost two billion users worldwide, according to an estimate by the US venture capital firm Menlo Ventures. Also: ChatGPT was downloaded 30 million times last month - but its user base data is more shocking And yet, very little money is being made, perhaps only $12 billion annually, with most of that figure accounted for by OpenAI. (Disclosure: Ziff Davis,

Topics: ai authors parents use users

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Virtue garnish: A mental hack to short-circuit bad habits

news.ycombinator.com Unknown 2026-02-20 14:19:29

You’re about to send that email. The one where you “correct” that coworker’s suggestion with a snarky reply. Your fingers are already typing the passive-aggressive opener when something interrupts: you notice the tightness in your chest, the heat rising. You recognize it: a “whisper” as the Ledger of Life calls it. You jot down “w: feeling attacked by feedback.” You pause. You know this feeling will lead nowhere good. Time to deploy a virtue garnish, but which one? For defensiveness, you need s

Topics: garnish ledger virtue whisper whispers

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Senator Blackburn Pulls Support for AI Moratorium in Trump’s ‘Big Beautiful Bill’ Amid Backlash

wired.com Kate Knibbs 2026-02-20 11:18:19

As Congress races to pass President Donald Trump’s “Big Beautiful Bill,” it’s also sprinting to placate the many haters of the bill’s “AI moratorium” provision which originally required a 10-year pause on state AI regulations. The provision, which was championed by White House AI czar and venture capitalist David Sacks, has proved remarkably unpopular with a diverse contingent of government officials, ranging from 40 state attorneys general to the ultra-MAGA representative Marjorie Taylor Green

Topics: ai moratorium provision state version

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Tesla's Robotaxi Program Is Failing Because Elon Musk Made a Foolish Decision Years Ago

futurism.com Unknown 2026-02-20 20:51:55

A shortsighted design decision that Elon Musk made more than a decade ago is once again coming back to haunt Tesla. As The Guardian reports, the company's Robotaxi rollout has been a massive bust — due, in at least in part, to Musk's long-ago bet against the light detection and ranging sensors known as lidar, which are hardware that allow cars to "sense" their surroundings far more sensitively than the visual cameras that Tesla is instead using as the inputs for itse self-driving software. Way

Topics: cameras cars lidar musk tesla

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Apple surveys Vision Pro users and asks about Meta’s Ray-Bans

9to5mac.com Marcus Mendes 2026-02-20 21:38:13

Apple is surveying Vision Pro owners, and some of the questions go beyond the device’s comfort or resolution. In addition to features like Guest Mode, and which accessories people actually use, Apple wants to know what its users see in rival products (even in categories where it doesn’t compete yet). Apple is already exploring ways to compete in the smart glasses market As reported by MacRumors, Apple is asking Vision Pro users whether they also own products like the Meta Quest 3, Meta Quest P

Topics: apple like pro users vision

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If you're using Microsoft Authenticator to store your passwords, don't

engadget.com Unknown 2026-02-20 20:58:42

Microsoft Authenticator is sunsetting its ability to store your passwords. This month, the service stopped allowing users to add or import new passwords. Beginning in July 2025, users will no longer be able to use autofill with Authenticator, and in August 2025, passwords will no longer be available at all. Payment information stored in Authenticator will be deleted after July, and after the following month, all unsaved generated passwords will be deleted. Passkeys will still be supported in Aut

Topics: 2025 authenticator longer passwords users

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11 Bit Studios clarifies its AI use in The Alters after player outcry

engadget.com Unknown 2026-02-21 02:00:14

11 Bit Studios has drawn the ire of players for the undisclosed use of artificial intelligence in its recent release, The Alters. The new project from the team behind Frostpunk and This War of Mine is a narratively and thematically interesting take on a science fiction survival game. The project contains a lot of dialogue and written text, and some players discovered in-game copy that appeared to be generated by a large language model. The Steam storefront requires that games disclose when they

Topics: ai game generated players studios

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Today's NYT Connections: Sports Edition Hints and Answers for July 1, #281

cnet.com See Full Bio 2026-02-21 05:00:04

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. O Canada! Today's NYT Connections: Sports Edition puzzle pays tribute to the Great White North. So grab your poutine and a Nanaimo bar and 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 g

Topics: answers connections group sports today

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Today's NYT Connections Hints, Answers and Help for July 1, #751

cnet.com See Full Bio 2026-02-21 05:00:05

Looking for the most recent 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, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle could be tricky. The purple category requires you to really think about how four words fit with another word that's not in the puzzle. Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for W

Topics: answers connections group today words

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Today's NYT Strands Hints, Answers and Help for July 1, #485

cnet.com See Full Bio 2026-02-21 05:00:15

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles. Today's NYT Strands puzzle could be tricky, depending on your knowledge of carnival-style rides. And the spangram is stupendously long. But it makes a fun shape that's related to the topic. If you need hints and answers, read on. I go into depth about the rules for Strands i

Topics: answers puzzle strands today words

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A mammoth tusk boomerang from Poland is 40,000 years old

arstechnica.com Unknown 2026-02-21 06:45:15

A boomerang carved from a mammoth tusk is one of the oldest in the world, and it may be even older than archaeologists originally thought, according to a recent round of radiocarbon dating. Archaeologists unearthed the mammoth-tusk boomerang in Poland’s Oblazowa Cave in the 1990s, and they originally dated it to around 18,000 years old, which made it one of the world’s oldest intact boomerangs. But according to recent analysis by University of Bologna researcher Sahra Talamo and her colleagues,

Topics: 000 boomerang mammoth tusk years

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Your Friends & Neighbors season 2 is coming: Here’s everything we know

9to5mac.com Ryan Christoffel 2026-02-21 11:59:05

Apple TV+ has so far had its most successful year ever. Severance was a big part of that, but so too were several hit new series. For example, Jon Hamm’s Your Friends & Neighbors was Apple’s most watched new drama ever, and now season 2 is in the works. Here’s what we know so far. Season 2 was greenlit before Your Friends & Neighbors even aired In a move that’s become increasingly rare at Apple, Your Friends & Neighbors was picked up for a second season before season 1 even aired. Back in Nov

Topics: apple friends neighbors new season

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I tested a bunch of Switch 2 screen protectors, and these are the best

theverge.com Cameron Faulkner 2026-02-21 11:11:56

is an editor covering deals and commerce. He joined in 2018, and served as commerce editor at Polygon until May 2025. A glass screen protector is one of a few “set it and forget it” purchases that every Switch 2 owner should make, along with buying a microSD Express card and a protective case for the console. In fact, it should be a priority to stick one onto the console’s screen as soon as possible to avoid accidental scratches. I’ve been installing and removing Switch 2 screen protectors to

Topics: installation protector protectors screen switch

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Latest Tech News

Simulations reveal the secret to strengthening carbon fiber

Waste into Construction Materials: Geopolymers from Recycled Sources

First-Class Models: The Missing Productivity Revolution

Brazil’s antitrust watchdog says Apple must face penalties over NFC restrictions

Cloudflare experiment will block AI bot scrapers unless they pay a fee

Google Keep no longer supports the Apple Watch

I Asked Ring Home Security and Nextdoor About Tracking Ice Raids With Their Tech: Is It Legal?

Web giant Cloudflare to block AI bots from scraping content by default

Cloudflare will now, by default, block AI bots from crawling its clients’ websites

The Best Gadgets of June 2025

Microsoft Offers Free Windows 10 Extended Security Updates, but There's a Catch

Uber Adds Rental Car Delivery and Discounted Airport Rides Ahead of July 4 Weekend Surge

You Can Play Diablo 4 for Free This Month With PlayStation Plus

Pay up or stop scraping: Cloudflare program charges bots for each crawl

Tinder’s mandatory facial recognition check comes to the US

Cloudflare will now block AI crawlers by default

Cloudflare launches a marketplace that lets websites charge AI bots for scraping

Are AI subscriptions worth it? Most people don't seem to think so, according to this study

Virtue garnish: A mental hack to short-circuit bad habits

Senator Blackburn Pulls Support for AI Moratorium in Trump’s ‘Big Beautiful Bill’ Amid Backlash

Tesla's Robotaxi Program Is Failing Because Elon Musk Made a Foolish Decision Years Ago

Apple surveys Vision Pro users and asks about Meta’s Ray-Bans

If you're using Microsoft Authenticator to store your passwords, don't

11 Bit Studios clarifies its AI use in The Alters after player outcry

Today's NYT Connections: Sports Edition Hints and Answers for July 1, #281

Today's NYT Connections Hints, Answers and Help for July 1, #751

Today's NYT Strands Hints, Answers and Help for July 1, #485

A mammoth tusk boomerang from Poland is 40,000 years old

Your Friends & Neighbors season 2 is coming: Here’s everything we know

I tested a bunch of Switch 2 screen protectors, and these are the best

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