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Ubuntu Linux lagging? Try my 10 go-to tricks to speed it up

zdnet.com Jack Wallen 2026-01-02 11:44:09

Yuichiro Chino/Getty Unless you're using a computer from the '90s or early 2000s, typically speaking, Ubuntu runs very well on most machines. I've found it to be fairly predictable in that respect. However, nothing is perfect, and you might run into an instance where the open-source operating system doesn't perform up to your standards. So, what do you do? Do you hop to a different distribution? You certainly could, as there are plenty of Linux distributions that work perfectly on older hardwa

Topics: applications computer ram ubuntu use

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Words about Arrays and Tables

news.ycombinator.com Unknown 2026-01-02 11:15:30

July 30, 2025 2000 words about arrays and tables THEY'RE JUST FUNCTIONS I'm way too discombobulated from getting next month's release of Logic for Programmers ready, so I'm pulling a idea from the slush pile. Basically I wanted to come up with a mental model of arrays as a concept that explained APL-style multidimensional arrays and tables but also why there weren't multitables. So, arrays. In all languages they are basically the same: they map a sequence of numbers (I'll use 1..N ) to homog

Topics: array arrays function int type

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Physicists Catch ‘Ghost Particles’ Bouncing Off Matter in Record-Breaking Experiment

gizmodo.com Gayoung Lee 2026-01-02 11:00:53

Neutrinos are everywhere. About 100 trillion neutrinos pass through our bodies every second, but they’re so weakly interacting we never notice them. It’s this spooky feature of neutrinos that earned them the nickname “ghost particles.” Antineutrinos, their antimatter counterpart, are also everywhere. Both are notoriously difficult to detect, but physicists are getting better at circumventing their ghostly tendencies, as a recent record-setting measurement demonstrates. When a low-energy neutrin

Topics: antineutrinos like neutrino neutrinos reactor

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Even The Guy Who Makes ChatGPT Says You Probably Shouldn't Use Chatbots as Therapists

cnet.com See Full Bio 2026-01-02 09:47:27

Maybe don't tell your deepest, darkest secrets to an AI chatbot like ChatGPT. You don't have to take my word for it. Take it from the guy behind the most popular generative AI model on the market. Sam Altman, the CEO of ChatGPT maker OpenAI, raised the issue this week in an interview with host Theo Von on the This Past Weekend podcast. He suggested that your conversations with AI should have similar protections as those you have with your doctor or lawyer. At one point, Von said one reason he w

Topics: ai chatgpt conversations like said

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How 2 UC Berkeley dropouts raised $28 million for their AI marketing automation startup

techcrunch.com Julie Bort 2026-01-02 11:00:00

AI-powered marketing automation startup Conversion, founded five years ago by two UC Berkeley dropouts, has raised a $28 million Series A led by Abstract, with participation from True Ventures and HOF Capital. The company’s founding story sounds like it could have been an episode of the HBO show “Silicon Valley.” The story begins all the way back when co-founder and CEO Neil Tewari, now 24, was in high school. He got busted one day watching a TechCrunch Disrupt livestream during class, was sen

Topics: ai conversion disrupt marketing tewari

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Minnesota activates National Guard as cyberattack on Saint Paul disrupts public services

techcrunch.com Zack Whittaker 2026-01-02 11:50:47

Minnesota Gov. Tim Walz has activated the state’s National Guard following a cyberattack on the state’s capital, Saint Paul. City officials have not yet disclosed the nature of the cyberattack, but the July 25 breach continues to disrupt city operations and some public services. Saint Paul is one of the largest cities in the U.S. with more than 300,000 residents, and is the latest in a list of major cities targeted by hackers and ransomware gangs in recent years. In a statement on Tuesday, Wal

Topics: city national paul said saint

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Another Pixel 6a catches fire, despite Google's battery restrictions

techspot.com Alfonso Maruccia 2026-01-02 16:37:00

Facepalm: Google released the Pixel 6a in 2022 as a mid-range variant of the Pixel 6 smartphone line. The device was initially praised for its so-called "flagship-level" performance and features, though it's now clear that the phone is far from perfect. A new Pixel 6a caught fire, even after Google released a crippling software update intended to limit the device's lithium-ion battery charge level. A Reddit user recently shared his harrowing experience, explaining that the phone essentially beg

Topics: 6a battery google overheating pixel

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Bitmapist: We built an open-source cohorts analytics tool that saved millions

news.ycombinator.com Unknown 2026-01-02 15:33:37

At Doist, we love making smart bets. Sometimes, the smartest decision isn’t to pick the biggest or shiniest tool out there but to build a small tool that does exactly what’s needed. That’s how Bitmapist came to life—a powerful, open-source cohort analytics library that’s been quietly driving smarter decisions and saving us millions of dollars. Why We Built Bitmapist Several years ago, we faced a common startup challenge: we needed robust cohort analytics to gain a deeper understanding of how p

Topics: active analytics bitmapist cohort user

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Opsqueue: Lightweight batch processing queue for heavy loads – now open-source

news.ycombinator.com Unknown 2026-01-02 16:12:09

We are happy to announce the open-source release of opsqueue , our opinionated queueing system! Why would you want to use it? Lightweight: small codebase, written in Rust, minimal dependencies Optimized for batch processing: we prioritize throughput over latency Built to scale to billions of operations Built with reliable building blocks: Rust, SQLite, Object Storage (such as S3 or GCS) Operationally simple: single binary, embedded database, minimal configuration Scales horizontally: you

Topics: consumer operations opsqueue queue use

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Blog series on creating an OS in Rust

news.ycombinator.com Philipp Oppermann 2026-01-02 14:01:10

Writing an OS in Rust This blog series creates a small operating system in the Rust programming language. Each post is a small tutorial and includes all needed code, so you can follow along if you like. The source code is also available in the corresponding Github repository. Latest post: Async/Await Bare Bones Interrupts CPU Exceptions CPU exceptions occur in various erroneous situations, for example, when accessing an invalid memory address or when dividing by zero. To react to them, we ha

Topics: allocation kernel memory post read

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US Senator Urges DHS to Probe Whether Agents Were Moved From Criminal Cases to Deportations

wired.com Caroline Haskins 2026-01-02 16:19:04

Since February, multiple news reports have alleged that a significant number of agents at Homeland Security Investigations (HSI)—the Department of Homeland Security’s investigative wing that focuses on transnational crimes like child exploitation, human trafficking, and drug cartels—have been pulled from child exploitation cases and reassigned to immigration enforcement and arrests. US senator Ron Wyden urged DHS Inspector General Joseph Cuffari on Tuesday to “promptly” launch an investigation

Topics: cases child exploitation hsi immigration

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AIR lands $23M to bring its eVTOLs to the US

techcrunch.com Kate Park 2026-01-02 15:15:00

The combined forces of escalating geopolitical tensions and rising defense budgets are spurring many electric vertical takeoff and landing (eVTOL) makers to take a two-pronged approach to building their aircraft: crewed vehicles for personal or commercial taxi use, and uncrewed vehicles meant for logistics and defense purposes. AIR, an Israel-based startup developing eVTOLs, thought it prudent to adopt a similar approach from the get-go, designing both its uncrewed and piloted aircraft with the

Topics: air aircraft certification disrupt evtol

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Apple set to acquire yet another campus in the Bay Area

9to5mac.com Marcus Mendes 2026-01-02 21:13:29

Apple’s real estate spree in Silicon Valley continues, as the company is reportedly in contract to make its third major Bay Area acquisition this year alone. Here are the details. $882 million in a little more than a month Citing sources familiar with the deal, the San Francisco Chronicle says that Apple has agreed to purchase the four-building Mathilda Campus at 505–599 North Mathilda Avenue and 605 West Maude Avenue for $365 million. As with the other two recent acquisitions, Apple already

Topics: acquisition apple avenue million real

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A Nintendo Direct focused on third-party games is taking place on July 31

engadget.com Unknown 2026-01-02 21:31:58

It’s almost time for another Nintendo Direct. A showcase of games from Nintendo’s partners that are coming to the Nintendo Switch and/or Switch 2 is set for 9AM ET on July 31 . The stream will run for around 25 minutes and you can watch it above when the time is right. This is a partner showcase, so you probably shouldn’t expect to find out release dates for Metroid Prime 4: Beyond or Kirby Air Riders here. Instead, we’ll hear about projects from third-party studios and publishers. Maybe we’ll

Topics: games ll maybe nintendo time

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The New York Times and Amazon's AI licensing deal is reportedly worth up to $25 million per year

engadget.com Unknown 2026-01-02 21:55:23

Amazon's AI licensing deal with The New York Times is worth $20 million to $25 million per year, according to The Wall Street Journal . The two companies did not disclose the fiscal terms of the agreement back when it was announced in May . The Journal's reporting provides a rare insight into the value of a media company licensing its content for AI training. In the case of The Times, Amazon's annual payments to the publisher would amount to nearly one percent of its total revenue in 2024. In r

Topics: ai amazon content million times

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The Arctic Got So Warm in February, Svalbard’s Ground Was ‘Like Soft Ice Cream’

gizmodo.com Matt Simon 2026-01-02 21:00:08

The Arctic island of Svalbard is so reliably frigid that humanity bet its future on the place. Since 2008, the Svalbard Global Seed Vault—set deep in frozen soil known as permafrost—has accepted nearly 1.4 million samples of more than 6,000 species of critical crops. But the island is warming six to seven times faster than the rest of the planet, making even winters freakishly hot, at least by Arctic standards. Indeed, in 2017, an access tunnel to the vault flooded as permafrost melted, though t

Topics: arctic ice soil svalbard warming

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Nintendo’s next Switch 2 Direct is on July 31st

theverge.com Ash Parrish 2026-01-02 21:14:15

is a reporter who covers the business, culture, and communities of video games, with a focus on marginalized gamers and the quirky, horny culture of video game communities. Now that the Switch 2 is out, and the console’s biggest exclusives — Mario Kart World, and Donkey Kong Bananza — are delighting fans, it’s time to see what else this thing can do. Nintendo’s hosting its next Direct presentation on Thursday July 31st bright and early at 9 AM ET. You can watch the direct on YouTube here and, o

Topics: games new nintendo presentation switch

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TikTok videos are about to get crowdsourced fact checks on them

theverge.com Emma Roth 2026-01-02 21:31:33

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. TikTok is officially rolling out Footnotes, a community fact-checking program that’s supposed to add helpful context to videos. With this update, US-based users will start seeing Footnotes on videos in the coming weeks, and will also get the option to rate them. After allowing people to join the Footnotes pilot in April, TikTok says almost 80,000 u

Topics: community footnotes notes rate tiktok

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TikTok gets long-overdue fact-checking, plus new parental controls

9to5mac.com Ben Lovejoy 2026-01-03 02:23:47

Video streaming platform TikTok is finally introducing fact-checking, in the form of TikTok Footnotes – the equivalent to X’s Community Notes. This is initially available in the US only. The company has also announced new parental controls, aimed at giving oversight of both TikTok consumption and uploads by teens … Community Notes have played a valuable role on the social network formerly known as Twitter. Hoaxes and disinformation has been a growing problem on X, and the Community Notes featu

Topics: community footnotes teen tiktok videos

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TikTok's Community Notes era starts today

engadget.com Unknown 2026-01-03 00:00:41

TikTok users in the United States will soon see crowd-sourced fact checks appearing alongside videos on the platform. The app is beginning to roll out Footnotes, its version of Community Notes, the company announced . TikTok announced its plan to adopt the feature back in April and since then almost 80,000 users have been approved as contributors. Footnotes works similarly to Community Notes on X. Contributors can add a note to videos with false claims, AI-generated content or that otherwise re

Topics: company contributors footnotes notes tiktok

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Tea Is in Apple's Top Free Apps, but What Is It and Why Is Everyone Talking About It?

cnet.com See Full Bio 2026-01-02 23:54:07

Ask any single woman, and they'll probably tell you how rough the dating world is. From ghosting to misleading bios, it can be challenging to know who you're really chatting to on dating apps, and whether they're telling the truth about themselves. Tea is an app that allows women to anonymously review men and spill "the tea" on men they've dated. About 1 million women have started using the app in the past week. It's reminiscent of those Facebook "Are We Dating the Same Guy?" groups that many c

Topics: app dating men tea women

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Frontier Fiber Internet Review: I Compare Plans, Pricing, Speed and Availability

cnet.com See Full Bio 2026-01-03 00:00:00

Unavailable in Provider unavailable in 90001 Edit . . . Starting at $50 Or call: Or call to learn more: (877) 980-4136 Frontier Fiber rating 7.2 /10 CNET Score We score internet providers for speed, value and customer care. Our data sources include the FCC, J.D. Power, The American Customer Satisfaction Index and extensive in-house research. Read more How we calculated our rating 7.2 / 10 SCORE Speed 7/10 Value 7.5/10 Customer Care 7/10 Pros Wi-Fi router rental included in the price Wi-Fi route

Topics: dsl fiber frontier internet service

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Does a 'Healthy' Soda Actually Exist? Experts Weigh In on the Trendy Beverages

cnet.com See Full Bio 2026-01-03 00:19:03

The healthy soda trend doesn't appear to be going away anytime soon. Last week, Pepsi announced that it will launch its very own soda packed with prebiotics in fall 2025. In March, the company also purchased the prebiotic soda brand Poppi for $1.95 billion. If such a major player in the regular soda market is jumping on the healthy soda bandwagon, the healthy beverage movement doesn't seem to be simply succeeding -- it's also growing. However, with all these healthy sodas that promise low sugar

Topics: fiber health healthy prebiotic soda

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Psychedelic Therapy Crashed and Burned. MAHA Might Bring It Back

wired.com John Semley 2026-01-01 18:00:00

This was supposed to be the year of the MDMA revolution. About this time last year, prescription MDMA looked like a sure thing. After decades of clinical research, political wrangling, and aggressive promotion, the popular underground club drug was set to be tamed and medicalized, with a stamp of approval from the US Food and Drug Administration. Then, it wasn’t. In a stark change of course, the FDA rejected the MDMA therapy it had been considering by a 10-1 vote. The decision derailed psyched

Topics: administration fda jr mdma psychedelic

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US fertility rate fell to a record low in 2024, mirroring a global trend

techspot.com Rob Thubron 2026-01-03 11:19:00

In a nutshell: The CDC released data this month that shows the US fertility rate fell to an all-time low in 2024, but the number of babies that were born last year increased YoY. It means that while there were more births overall, a smaller percentage of women of childbearing age are having children. There were 3.6 million babies born in the US in 2024, up 1% compared to the previous year, according to the CDC's data. But the general fertility rate – the number of live births per 1,000 women of

Topics: 2024 children fertility number women

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How can enterprises keep systems safe as AI agents join human employees? Cyata launches with a new, dedicated solution

venturebeat.com Carl Franzen 2026-01-03 12:52:18

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now You thought generative AI was a technological tidal wave of change coming for enterprises, but the truth is — at 2.5 years since the launch of ChatGPT — the change is only getting started. A whopping 96% of IT and data executives plan to increase their use of AI agents this year alone, according to a recent survey from Cloudera covered by C

Topics: agents ai cyata identities tal

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The best mobile microphones for 2025

engadget.com Unknown 2026-01-03 10:00:38

There’s nothing more frustrating than shooting the perfect reel only to realize that the audio sounds like garbage. For budding creators, it’s a frustration; for those looking to make more professional content, it’s a dealbreaker. Fortunately, the world of mobile-specific (or phone-friendly) microphones has exploded with great options in the last few years. Whether you’ve been tasked with recording candid moments at a relative’s wedding, shooting a friend’s dance moves or are a journalist out in

Topics: best mic options recording wireless

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TikTok gamifies mindfulness with 'well-being missions'

engadget.com Unknown 2026-01-03 12:00:14

Or, hear me out: Put down your phone and breathe. TikTok’s latest answer to its addictiveness is gamified mindfulness tools. The app’s new Well-being Missions let you earn badges for completing challenges related to balanced digital habits. To be clear, mindfulness and dopamine-seeking mini-games are a contradictory pair. But hey, at least it’s healthier than doomscrolling. The first batch of TikTok’s "short, engaging missions" focuses on the platform’s existing digital well-being tools. (The

Topics: mindfulness missions new platform tiktok

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TikTok 'content check' tells creators if their videos will be blocked from For You pages

engadget.com Unknown 2026-01-03 12:00:15

TikTok's "For You" recommendations have long been a source of mystery and fascination for creators on the platform. Even the most seasoned TikTok stars don't always understand why some videos go viral and some don't. And there's long been lots of speculation about the types of content that is and isn't acceptable to the app's recommendation algorithm. Now, the company is looking to give creators more transparency into its recommendations. TikTok is testing out a "content check" feature that wil

Topics: company content creators feature tiktok

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A major AI training data set contains millions of examples of personal data

news.ycombinator.com Eileen Guo 2026-01-03 10:59:09

Indeed, the curators of DataComp CommonPool were themselves aware it was likely that PII would appear in the data set and did take some measures to preserve privacy, including automatically detecting and blurring faces. But in their limited data set, Hong’s team found and validated over 800 faces that the algorithm had missed, and they estimated that overall, the algorithm had missed 102 million faces in the entire data set. On the other hand, they did not apply filters that could have recognize

Topics: commonpool data information privacy set

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Latest Tech News

Ubuntu Linux lagging? Try my 10 go-to tricks to speed it up

Words about Arrays and Tables

Physicists Catch ‘Ghost Particles’ Bouncing Off Matter in Record-Breaking Experiment

Even The Guy Who Makes ChatGPT Says You Probably Shouldn't Use Chatbots as Therapists

How 2 UC Berkeley dropouts raised $28 million for their AI marketing automation startup

Minnesota activates National Guard as cyberattack on Saint Paul disrupts public services

Another Pixel 6a catches fire, despite Google's battery restrictions

Bitmapist: We built an open-source cohorts analytics tool that saved millions

Opsqueue: Lightweight batch processing queue for heavy loads – now open-source

Blog series on creating an OS in Rust

US Senator Urges DHS to Probe Whether Agents Were Moved From Criminal Cases to Deportations

AIR lands $23M to bring its eVTOLs to the US

Apple set to acquire yet another campus in the Bay Area

A Nintendo Direct focused on third-party games is taking place on July 31

The New York Times and Amazon's AI licensing deal is reportedly worth up to $25 million per year

The Arctic Got So Warm in February, Svalbard’s Ground Was ‘Like Soft Ice Cream’

Nintendo’s next Switch 2 Direct is on July 31st

TikTok videos are about to get crowdsourced fact checks on them

TikTok gets long-overdue fact-checking, plus new parental controls

TikTok's Community Notes era starts today

Tea Is in Apple's Top Free Apps, but What Is It and Why Is Everyone Talking About It?

Frontier Fiber Internet Review: I Compare Plans, Pricing, Speed and Availability

Does a 'Healthy' Soda Actually Exist? Experts Weigh In on the Trendy Beverages

Psychedelic Therapy Crashed and Burned. MAHA Might Bring It Back

US fertility rate fell to a record low in 2024, mirroring a global trend

How can enterprises keep systems safe as AI agents join human employees? Cyata launches with a new, dedicated solution

The best mobile microphones for 2025

TikTok gamifies mindfulness with 'well-being missions'

TikTok 'content check' tells creators if their videos will be blocked from For You pages

A major AI training data set contains millions of examples of personal data

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