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Simulating and Visualising the Central Limit Theorem

news.ycombinator.com Greg Foletta 2025-08-18 14:11:51

Simulating and Visualising the Central Limit Theorem Categories: Statistics R 34 minutes read I completed a Computer Science degree at uni, and bundled a lot of maths subjects in as electives: partial differential equations, vector calculus, discrete maths, linear algebra. For some reason however I always avoided statistics subjects. Maybe there’s a story to be told about a young person finding uncertainty uncomfortable, because twenty years later I find statistics, particularly the Bayesia

Topics: distribution mean normal population sample

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The new science of “emergent misalignment”

news.ycombinator.com Stephen Ornes 2025-08-18 12:25:51

If there’s an upside to this fragility, it’s that the new work exposes what happens when you steer a model toward the unexpected, Hooker said. Large AI models, in a way, have shown their hand in ways never seen before. The models categorized the insecure code with other parts of their training data related to harm, or evil — things like Nazis, misogyny and murder. At some level, AI does seem to separate good things from bad. It just doesn’t seem to have a preference. Wish for the Worst In 2022

Topics: ai code model models said

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Show HN: Understanding the Spatial Web Browser Engine

news.ycombinator.com Unknown 2025-08-16 01:43:43

Understanding the Spatial Web Browser Engine 1. What Is a Spatial Web Browser? A Spatial Web Browser is a user agent that loads, interprets, and presents Web content (HTML, CSS, JS, WebGL/WebGPU, WebXR, media) directly inside a 3D coordinate space instead of flattening everything onto a 2D rectangular viewport. Every DOM element (text nodes, images, canvas, form controls, SVG, etc.) can be: Positioned, rotated, and scaled in world / XR reference spaces Layered with true depth ordering (n

Topics: 3d html jsar spatial web

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Will AI make language dubbing easy for film and TV?

feeds.bbci.co.uk Unknown 2025-08-18 17:01:41

Will AI make language dubbing easy for film and TV? 1 hour ago Share Save Suzanne Bearne Technology Reporter Share Save XYZ Films Swedish movie Watch the Skies was dubbed into English using AI Finding international films that might appeal to the US market is an important part of the work XYZ Films. Maxime Cottray is the chief operating officer at the Los Angeles-based independent studio. He says the US market has always been tough for foreign language films. "It's been limited to coastal New

Topics: film films language mann says

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GPT-5's rollout fell flat for consumers, but the AI model is gaining where it matters most

cnbc.com Mackenzie Sigalos 2025-08-18 15:51:18

watch now Sam Altman turned OpenAI into a cultural phenomenon with ChatGPT. Now, three years later, he's chasing where the real money is: Enterprise. Last week's rollout of GPT-5, OpenAI's newest artificial intelligence model, was rocky. Critics bashed its less-intuitive feel, ultimately leading the company to restore its legacy GPT-4 to paying chatbot customers. But GPT-5 isn't about the consumer. It's OpenAI's effort to crack the enterprise market, where rival Anthropic has enjoyed a head sta

Topics: enterprise gpt model openai said

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Bluesky: Updated Terms and Policies

news.ycombinator.com Unknown 2025-08-18 10:54:14

Since launching Bluesky two years ago, we’ve grown tremendously. As our community has expanded, feedback on our terms of service, community guidelines, copyright, and privacy policies has surfaced opportunities to improve clarity. With more experience under our belt and an evolving regulatory landscape, we’re updating the language in our terms and policies to better explain our approach and provide more detail. For our Community Guidelines, we’re asking for input from the community. The propose

Topics: act content dsa guidelines updated

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US government agency drops Grok after MechaHitler backlash, report says

arstechnica.com Unknown 2025-08-18 20:11:06

xAI apparently lost a government contract after a tweak to Grok's prompting triggered an antisemitic meltdown where the chatbot praised Hitler and declared itself MechaHitler last month. Despite the scandal, xAI announced that its products would soon be available for federal workers to purchase through the General Services Administration. At the time, xAI claimed this was an "important milestone" for its government business. But Wired reviewed emails and spoke to government insiders, which rev

Topics: ai government grok gsa xai

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Applied Materials shares sink 10% on light forecast amid macroeconomic uncertainties

cnbc.com Kif Leswing 2025-08-19 01:59:18

Applied Materials shares sank more than 10% in extended trading Thursday as the semiconductor equipment company provided outlook for the current quarter that came in light. Here's how Applied Materials did in its third-quarter earnings results versus LSEG consensus estimates: EPS : $2.48, adjusted, versus $2.36 estimated. : $2.48, adjusted, versus $2.36 estimated. Revenue: $7.3 billion vs $7.22 billion estimated. Applied Materials said it expects $2.11 per share in adjusted earnings in the c

Topics: applied billion materials quarter said

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AI Slop Is Ripping Off One of Summer’s Best Games. Copycats Are Proving Hard to Kill

wired.com Megan Farokhmanesh 2025-08-19 01:23:50

Getting clones taken down can be an exhausting process for developers. Small studios have less time, energy and resources to dedicate to this process, and they’re at the whims of the digital distribution platforms these games exist on. Wren Brier, Unpacking’s creative director, says that since the game’s release in 2021, developer Witch Beam has reported over 80 clones. “It feels like whack-a-mole sometimes,” Brier says. These are games that are not just similar in nature, but “blatant copyrigh

Topics: ai clones game games says

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George Lucas Reminded Ron Howard Ahead of ‘Solo’ That ‘Star Wars’ Is for 12-Year-Olds

gizmodo.com Cheryl Eddy 2025-08-19 05:30:35

Star Wars fans have become accustomed to cinematic reshufflings in the years since 2019’s The Rise of Skywalker. But even before the sequel trilogy concluded, there were hints that Lucasfilm’s confident plans were subject to shake-ups. There were the notorious reshoots attached to 2016’s Rogue One: A Star Wars Story, but even more dramatically, there was the director switcheroo that happened with 2018’s Solo: A Star Wars Story. In a new interview, Ron Howard talked about being hired as a replace

Topics: howard phil said star wars

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Satellite Captures Awesome Power of Tsunami Triggered by Epic Russian Quake

gizmodo.com Ellyn Lapointe 2025-08-19 05:50:17

In late July, the sixth biggest earthquake in recorded history struck off the coast of Russia’s Kamchatka Peninsula. The magnitude 8.8 quake triggered a tsunami that sent waves across the Pacific, prompting widespread warnings and some evacuation orders. Data released Thursday, August 14, by NASA Earth Observatory captures this global event in striking detail. The Surface Water and Ocean Topography (SWOT) satellite, a joint venture between NASA and the French space agency CNES (Centre National

Topics: data nasa tsunami water waves

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Intel stock climbs 7% on report Trump administration is considering stake

cnbc.com Kif Leswing 2025-08-19 09:57:25

Lip-Bu Tan, chief executive officer of Intel Corp., departs following a meeting at the White House in Washington, DC, US, on Monday, Aug. 11, 2025. Intel stock rose 7% in trading on Thursday after Bloomberg reported that the Trump administration is in talks with the chipmaker to have the U.S. government take a stake in the embattled company. Intel is the only U.S. company with the capability to manufacture the fastest chips on U.S. shores, although rivals including TSMC and Samsung also have U

Topics: chips intel said tan trump

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Gen-Z’s Social Media Addiction May Have Ironically Led to an Indie Cinema Revival

gizmodo.com Lucas Ropek 2025-08-19 09:20:02

During the pandemic, movie theaters notably struggled, as social distancing restrictions all but temporarily killed their business model. Many smaller, independent theaters went out of business permanently. However, since the pandemic has ebbed, the film industry has slowly recovered. Attendance in theaters is not exactly where it was prior to the pandemic, but attendance is significantly higher than it was during Covid, and continues to climb. A new article published by The Guardian suggests t

Topics: billion independent sales theaters young

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Bluesky rolls out massive revamp to policies and Community Guidelines

techcrunch.com Sarah Perez 2025-08-19 13:49:58

Two years after launching, social network Bluesky is revising its Community Guidelines and other policies, and asking for feedback from its users on some of the changes. The startup, a competitor to X, Threads, and open networks like Mastodon, says its new policies are meant to offer improved clarity and more detail around its user safety procedures and the appeals process. Many of the changes are being driven by new global regulations, including the UK Online Safety Act (OSA), the EU Digital S

Topics: bluesky community disrupt safety users

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These $30,000 TVs With ‘Micro RGB’ Are a Reminder That You Shouldn’t Hype New Screens

gizmodo.com Kyle Barr 2025-08-19 17:25:44

Samsung and Hisense have a new type of TV you can buy right now if you have more than $30,000 sitting in an overstuffed piggy bank somewhere. You’ve heard of OLED, mini LED, and maybe even micro LED, but Samsung and Hisense are asking if you could care about micro RGB? Probably not, but the display makers are selling them at a premium and at a size you couldn’t fit into any living room without barn-high ceilings. The price is just a distraction—a means of drawing eyeballs to new screen technolog

Topics: led micro rgb samsung tv

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Billion-Dollar AI Company Gives Up on AGI While Desperately Fighting to Stop Bleeding Money

futurism.com Unknown 2025-08-19 20:55:34

The new CEO of Character.AI — the controversial AI chatbot startup currently fighting a high-profile child welfare lawsuit over the suicide of a 14-year-old user — says the company has abandoned its founding mission of realizing artificial general intelligence, or AGI. In an interview with Wired, recently crowned Character.AI CEO Karandeep Anand declared that the company "gave up" on the "aspirations" of its since-departed founders, Noam Shazeer and Daniel de Freitas. It's a striking move for

Topics: ai character company safety wired

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The End of Wireless Dead Zones? Starlink Texting Now Available on AT&T, T-Mobile and Verizon Phones

cnet.com See Full Bio 2025-08-19 17:01:00

After six months of beta testing, Starlink's partnership with T-Mobile officially launched on July 23. The direct-to-cell messaging service enables texting from anywhere in the US. It's not limited to T-Mobile customers, either -- AT&T and Verizon mobile customers can purchase it for $10 a month. T-Mobile says its goal is to "eliminate mobile dead zones for good" by way of 657 Starlink satellites that'll be used exclusively for cellphone service. The new satellite texting service represents a

Topics: galaxy mobile moto samsung satellite

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The First Federal Cybersecurity Disaster of Trump 2.0 Has Arrived

wired.com Lily Hay Newman 2025-08-19 15:20:00

The second Trump administration has its first federal cybersecurity debacle to deal with. A breach of the United States federal judiciary’s electronic case filing system, discovered around July 4, has pushed some courts onto backup paper-filing plans after the hack compromised sealed court records and possibly exposed the identities of confidential informants and cooperating witnesses across multiple US states. More than a month after the discovery of the breach—and in spite of recent reports

Topics: attack breach case cm says

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Apple Watch getting redesigned blood oxygen feature following legal dispute

cnbc.com Ashley Capoot 2025-08-20 00:53:25

Tim Cook, chief executive officer of Apple Inc., during the Apple Worldwide Developers Conference (WWDC) at Apple Park campus in Cupertino, California, US, on Monday, June 9, 2025. Apple on Thursday announced a redesigned blood oxygen feature for some Apple Watch users, following a years-long intellectual property dispute over the capability. Apple said the redesigned feature is coming to some Apple Watch Series 9, Series 10, and Apple Watch Ultra 2 users on Thursday. The update was possible b

Topics: apple blood company feature said

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Samsung has a new way you can get a Galaxy foldable at an actually affordable price

androidauthority.com Unknown 2025-08-20 01:34:00

Ryan Haines / Android Authority TL;DR Samsung has announced that it’s expanding its certified refurbished program to include Galaxy foldable devices for the first time. The Galaxy Z Fold 5 and Galaxy Z Flip 5 are now available as “Certified Re-Newed” phones exclusively from Samsung’s website. Samsung specialists service the refurbished phones with genuine parts, including a new battery, and they come with a one-year warranty. If you’ve been eyeing a Galaxy foldable phone but balked at the pr

Topics: devices flip fold galaxy samsung

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Google Messages can now blur nude images on Android

engadget.com Unknown 2025-08-20 01:03:05

Google is rolling out a new safety feature for the Messages app on Android. As spotted by 9to5Google , the company is making Sensitive Content Warnings more broadly available after beta testing the option since April . Google announced it last October. The feature can detect and blur images that include nudity. However, it’ll only work if you’re signed into a Google Account in the Messages app. When Messages detects and blurs such an image, you will be able to choose between several actions. Y

Topics: feature google image images messages

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How We’ll Know for Sure If Microplastics Are Destroying Our Health

gizmodo.com Margherita Bassi 2025-08-19 23:35:03

Researchers have found plastic in almost every corner of the human body, from our brains and poop to blood and testicles (at least it’s not making our stomachs crunch yet). Is this plastic contamination bad for us? While the answer to that question might seem like a no-brainer—and certainly no one is crazy enough to theorize that microplastics in breast milk are a good thing—there haven’t been any human trials to confirm that microplastics are detrimental to human health. Some research has simp

Topics: human mnps researchers samples study

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Google Wants You to Pick Your Own News Sources for Searches

cnet.com See Full Bio 2025-08-20 00:12:50

Perhaps in response to suggestions that its Search functions have been degraded or been usurped by AI summaries that not everybody wants, Google will now let you select news sources to narrow things down. The company said in a blog post this week that it's launching Preferred Sources in the US and India over the next few days, along with a plus icon to the right of Top Stories in searches. Clicking on that plus symbol allows you to add blogs or news outlets. There doesn't appear to be a limit o

Topics: google news people said sources

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Cisco reports narrow earnings beat, issues inline forecast for the year

cnbc.com Jordan Novet 2025-08-20 05:22:16

Cisco CEO Chuck Robbins speaks at the Business Roundtable CEO Workforce Forum in Washington on June 17, 2025. Cisco reported results on Wednesday that narrowly exceeded analysts' expectations and issued quarterly guidance that was also better than expected. Here's how the company did in its fiscal fourth quarter comparison with LSEG consensus: Earnings per share: 99 cents adjusted vs. 98 cents expected 99 cents adjusted vs. 98 cents expected Revenue: $14.67 billion vs. $14.62 billion expecte

Topics: billion cents cisco quarter said

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You can pivot this wireless smartphone power bank to charge an Apple Watch, too

theverge.com Andrew Liszewski 2025-08-20 05:12:22

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. If you’re firmly in the Apple hardware ecosystem, Kuxiu’s K1 wireless power bank could be more useful to you than other portable MagSafe batteries. You can stick it to the back of your iPhone to keep it charged when you don’t have access to power, but rotatin

Topics: 99 apple charge magsafe power

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Unplugging these 7 common household devices greatly reduced my electricity bill

zdnet.com Maria Diaz 2025-08-20 09:55:00

Adrian Kingsley-Hughes/ZDNET With costs climbing across the US, energy prices stand out -made worse by record-breaking summer heat and recent waves scorching multiple states. Having endured several of them this season, I'm always searching for ways to cut back on energy use. There are many little things you can do that can shave dollars off your monthly energy bill, and they go beyond switching off the lights when you leave the room. Did you know you can save 3% on cooling costs for every 1°F

Topics: devices energy home save use

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How the Premier League uses AI to boost fan experiences and score new business goals

zdnet.com Mark Samuels 2025-08-20 22:00:00

Alex Livesey/Getty Images ZDNET's key takeaways The Premier League is working with Adobe to exploit generative AI. Explorations show customers want to create, not just consume content. Long-term hyper-personalization goals should be approached carefully. The English Premier League football season starts this weekend. With 1.8 billion people watching the competition in 900 million homes across 189 countries (streaming on Peacock), it would seem there's limited scope for emerging technology t

Topics: ai league premier said willis

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How to Find Out If Microplastics Are Actually Destroying Our Health

gizmodo.com Margherita Bassi 2025-08-20 09:35:03

Researchers have found plastic in almost every corner of the human body, from our brains and poop to blood and testicles (at least it’s not making our stomachs crunch yet). Is this plastic contamination bad for us? While the answer to that question might seem like a no-brainer—and certainly no one is crazy enough to theorize that microplastics in breast milk are a good thing—there haven’t been any human trials to confirm that microplastics are detrimental to human health. Some research has simp

Topics: human mnps researchers samples study

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Sonos back-to-school sale: Get up to 25 percent off headphones and speakers

engadget.com Unknown 2025-08-20 13:15:35

The back-to-school season isn't only a good time to save on things like a new laptop. Case in point: Sonos' back-to-school sale. Whether you want to upgrade the sound in your dorm room or home office, you can save up to 25 percent on Sonos speakers and other gear right now. Included in the sale is the Era 100, which has a 10-percent discount at the moment. Our choice for midrange smart speaker is down to $179 from $199 as part of a larger sale on the Sonos website. The same price is available o

Topics: 100 era percent sale sonos

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Can I Drink Electrolyte Water Every Day? Experts Weigh In (2025)

wired.com Louryn Strampe 2025-08-20 13:32:00

Wellness marketing is a little out of control, and electrolytes are as buzzy as it gets. Touted by influencers and podcasters as a miracle supplement that helps your body perform at its peak, electrolyte beverages are as numerous as they are readily available. But the dietitians and nutritionists I spoke with are less willing to embrace these beverages as a cure-all for what ails you. I say as much in our guide to electrolyte powders: Whether or not you need to drink electrolyte water, and how

Topics: electrolyte electrolytes says sodium water

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Latest Tech News

Simulating and Visualising the Central Limit Theorem

The new science of “emergent misalignment”

Show HN: Understanding the Spatial Web Browser Engine

Will AI make language dubbing easy for film and TV?

GPT-5's rollout fell flat for consumers, but the AI model is gaining where it matters most

Bluesky: Updated Terms and Policies

US government agency drops Grok after MechaHitler backlash, report says

Applied Materials shares sink 10% on light forecast amid macroeconomic uncertainties

AI Slop Is Ripping Off One of Summer’s Best Games. Copycats Are Proving Hard to Kill

George Lucas Reminded Ron Howard Ahead of ‘Solo’ That ‘Star Wars’ Is for 12-Year-Olds

Satellite Captures Awesome Power of Tsunami Triggered by Epic Russian Quake

Intel stock climbs 7% on report Trump administration is considering stake

Gen-Z’s Social Media Addiction May Have Ironically Led to an Indie Cinema Revival

Bluesky rolls out massive revamp to policies and Community Guidelines

These $30,000 TVs With ‘Micro RGB’ Are a Reminder That You Shouldn’t Hype New Screens

Billion-Dollar AI Company Gives Up on AGI While Desperately Fighting to Stop Bleeding Money

The End of Wireless Dead Zones? Starlink Texting Now Available on AT&T, T-Mobile and Verizon Phones

The First Federal Cybersecurity Disaster of Trump 2.0 Has Arrived

Apple Watch getting redesigned blood oxygen feature following legal dispute

Samsung has a new way you can get a Galaxy foldable at an actually affordable price

Google Messages can now blur nude images on Android

How We’ll Know for Sure If Microplastics Are Destroying Our Health

Google Wants You to Pick Your Own News Sources for Searches

Cisco reports narrow earnings beat, issues inline forecast for the year

You can pivot this wireless smartphone power bank to charge an Apple Watch, too

Unplugging these 7 common household devices greatly reduced my electricity bill

How the Premier League uses AI to boost fan experiences and score new business goals

How to Find Out If Microplastics Are Actually Destroying Our Health

Sonos back-to-school sale: Get up to 25 percent off headphones and speakers

Can I Drink Electrolyte Water Every Day? Experts Weigh In (2025)

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