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A fast 3D collision detection algorithm

news.ycombinator.com Cairn O 2025-09-12 04:12:16

This article will assume some familiarity with narrow phase collision detection methods and associated geometric concepts such as the Minkowski sum. A few years ago I was watching Dirk’s great presentation, The Separating Axis Test between Convex Polyhedra (video, slides). Around the 18 minute mark (slide 29) he starts talking about overlaying Gauss maps of convex polyhedra to find the faces of their Minkowski difference. Figure 1: A gauss map for two convex hulls The upshot is that all faces

Topics: face function normals support vertex

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If You Want an Alexa Speaker, the Newest Echo Spot Now Costs Peanuts on Amazon

gizmodo.com Gizmodo Deals 2025-09-12 12:55:04

The Echo Spot is the top-selling Alexa speaker, and it is easy to see why. Compared to the Echo Dot or Pop, which offer the voice assistant of Alexa without a display, the Echo Spot features a bright adjustable display that takes the entire smart home experience to an entirely new level. For a few dollars more, you’ve got a device that isn’t just smarter but also much more useful. To mark Prime Day, Amazon is offering the newest Echo Spot for its all-time lowest price of just $44, half its regu

Topics: alexa amazon echo smart spot

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Critical CitrixBleed 2 vulnerability has been under active exploit for weeks

arstechnica.com Unknown 2025-09-12 11:20:24

A critical vulnerability allowing hackers to bypass multifactor authentication in network management devices made by Citrix has been actively exploited for more than a month, researchers said. The finding is at odds with advisories from the vendor saying there is no evidence of in-the-wild exploitation. Tracked as CVE-2025-5777, the vulnerability shares similarities with CVE-2023-4966, a security flaw nicknamed CitrixBleed, which led to the compromise of 20,000 Citrix devices two years ago. The

Topics: citrix citrixbleed cve exploitation said

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I Will Text You the Best Prime Day Deals Directly to Your Phone -- for Free

cnet.com See Full Bio 2025-09-12 22:15:03

Good news, Prime Day deal hunters: I've spent the last decade crawling the internet for the best deals nearly every day, and in that time, I've learned a thing or 12 about Amazon sales and Prime Day deals, including which discounts are genuine savings and which reductions are just a lot of buzz without meaningful cost-cutting. That's why every day -- Prime Day or not -- I hand-pick daily CNET Deals texts to subscribers to deliver irresistible sales straight to your phone, helping you score must-

Topics: cnet day deals prime text

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Context is a native macOS app that was almost entirely written by AI

9to5mac.com Marcus Mendes 2025-09-13 04:03:40

Like many image and video AI tools, which have (mostly) stopped creating people with six fingers, AI coding tools have also been making great strides. Case in point: developer Indragie Karunaratne just shipped Context, a native macOS app that was 95% built by Anthropic’s Claude Code. Anthropic has been standing out in AI-assisted development For the better part of the last year, Anthropic has pulled away from the pack when it comes to how good its Claude models are at generating code (to be fa

Topics: ai claude code context karunaratne

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The Phantom of the Opera Has a Lot of Demands for His Immersive Masquerade

gizmodo.com Sabina Graves 2025-09-13 08:45:37

The mystery of Masquerade, The Phantom of the Opera immersive Broadway experience, begins to unfold as tickets for the initial run announcement have sold out. Don’t worry, Andrew Lloyd Webber “phans,” on July 9 there will be a new drop of tickets for an extension going into October of this year. Perfect for spooky season monster haunt lovers, dare we say? Hey, dark musical fans and immersive haunt goers have a very real overlap! With the release of the Opera Ghost’s first batch of show dates, t

Topics: experience immersive masquerade opera phantom

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‘Superman’ Soars

gizmodo.com Germain Lussier 2025-09-13 16:00:56

It takes mere seconds for James Gunn’s Superman to cast a spell on its audience. The film is not just an introduction to a brand-new Superman but to an entire new DC Universe, and with a very clever, very exciting, very intense collection of sentences that appear on screen, it’s instantly clear how different and resonant this film is about to be. The information sets the tone, stage, and stakes in moments, as each statement reverberates with intensity and anticipation. And that’s just the first

Topics: film gunn lex movie superman

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Netflix Declares 300 Million Anime Fans Can’t Be Wrong

gizmodo.com Cheryl Eddy 2025-09-13 16:45:39

When Netflix finds a hit, it doesn’t hold back in trying to dig more gold from the same mine. That could mean movie sequels or series renewals—but it can also mean an entire genre is poised to enjoy a heightened presence. That’s looking to be the case for Japanese anime, in light of the streamer’s recent report on just how popular it is with viewers. According to Variety, Netflix chose the ideal context—last weekend’s Anime Expo in Los Angeles—to share this news. Going by recent data, “more tha

Topics: anime expo netflix streamer titles

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SpaceX in talks to raise new funding at $400B valuation

techcrunch.com Aria Alamalhodaei 2025-09-13 16:52:07

In Brief SpaceX is looking to raise fresh capital by selling new shares to insiders in a deal that would boost its valuation to around $400 billion, according to reporting from Bloomberg. The company’s strategy is to raise money via a fundraising round and separately hold a tender offer to allow employees to sell some of their shares to a select group of investors, anonymous sources told Bloomberg. SpaceX typically holds tender offers twice per year. SpaceX’s valuation has steadily climbed si

Topics: billion company spacex tender valuation

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Save almost 50% on the Amazon Fire TV Omni QLED for Prime Day

zdnet.com Taylor Clemons 2025-09-13 20:39:00

Amazon Fire TV Omni Series QLED 3.5 / 5 Good pros and cons Pros Great picture and sound Dedicated game mode Alexa features are optional Easy to set up Great for gaming Cons A bit overpriced No easy way to access app library Somewhat invasive ads on home screen Lots of cool features locked behind Alexa functions No Dolby Atmos support $439.99 at Amazon During Amazon's Prime Day 2025 sale, you can save $530 on the 75-inch Amazon Fire TV Omni QLED. The Amazon Fire TV Omni Series QLED is t

Topics: alexa amazon omni qled tv

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What is AGI? Nobody agrees, and it’s tearing Microsoft and OpenAI apart.

arstechnica.com Unknown 2025-09-13 23:50:29

When is an AI system intelligent enough to be called artificial general intelligence (AGI)? According to one definition reportedly agreed upon by Microsoft and OpenAI, the answer lies in economics: When AI generates $100 billion in profits. This arbitrary profit-based benchmark for AGI perfectly captures the definitional chaos plaguing the AI industry. In fact, it may be impossible to create a universal definition of AGI, but few people with money on the line will admit it. Over this past year

Topics: agi ai definition exactly human

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OneText raises $4.5M from Y Combinator, Khosla to reinvent shopping by text

techcrunch.com Tage Kene-Okafor 2025-09-14 00:27:51

The typical online checkout experience has become bloated with friction. And while more companies are building solutions around online checkout, few are rethinking it from scratch. One such company is OneText, which is building what it calls a “text-to-buy network,” that lets shoppers complete purchases via text message. The company, founded by former PayPal employees, just closed a $4.5 million seed round backed by Khosla Ventures, Coatue, Citi Ventures, Y Combinator, Good Friends (the fund cr

Topics: checkout fudem onetext platform ventures

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AGI may be impossible to define, and that’s a multibillion-dollar problem

arstechnica.com Unknown 2025-09-14 04:50:29

When is an AI system intelligent enough to be called artificial general intelligence (AGI)? According to one definition reportedly agreed upon by Microsoft and OpenAI, the answer lies in economics: When AI generates $100 billion in profits. This arbitrary profit-based benchmark for AGI perfectly captures the definitional chaos plaguing the AI industry. In fact, it may be impossible to create a universal definition of AGI, but few people with money on the line will admit it. Over this past year

Topics: agi ai definition exactly human

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Nissan feels the effect of US-China trade war

arstechnica.com Unknown 2025-09-14 08:48:40

Nissan's third-generation Leaf sounds like it will be quite the attractive electric vehicle. Smaller but more spacious than the car it will replace later this year, it should be more efficient and at last feature proper thermal management of the battery. But now it seems that Nissan will build fewer Leafs than it planned, thanks to Chinese restrictions on the export of certain rare-earth elements that are critically important for electronics and electric motors. The export restrictions mean a l

Topics: car electric export leaf nissan

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Malicious Chrome extensions with 1.7M installs found on Web Store

bleepingcomputer.com Unknown 2025-09-14 12:00:00

Almost a dozen malicious extensions with 1.7 million downloads in Google's Chrome Web Store could track users, steal browser activity, and redirect to potentially unsafe web addresses. Most of the add-ons provide the advertised functionality and pose as legitimate tools like color pickers, VPNs, volume boosters, and emoji keyboards. Researchers at Koi Security, a company providing a platform for security self-provisioned software, discovered the malicious extensions in Chrome Web Store and rep

Topics: chrome extensions malicious security users

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A Free Echo Spot? Amazon Is Almost There This Prime Day

gizmodo.com Gizmodo Deals 2025-09-15 04:55:24

Amazon rolled out its Prime Day sales at midnight this Tuesday, and again it dropped prices on some of its best devices—like the Echo Spot and Echo Pop. If you want a smart alarm clock or a compact Alexa speaker, there has never been a better time to buy: Since these products are made by Amazon, you know that this is going to be the lowest price you’ll find throughout the entire year. Amazon’s new model, the Echo Spot, is available for as little as $44, which is half the normal price of $79: Th

Topics: alexa amazon echo pop spot

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‘Yearners’ Are Sick of Playing It Cool on Dating Apps

wired.com Jason Parham 2025-09-15 05:00:00

On TikTok, Gyasi Alexander likes to hold “yap sessions” about all sorts of vulnerable topics—self-image issues, anxiety, why you shouldn’t romanticize forgiveness. He started posting videos like that last summer, following the end of an 11-year relationship, after a group of friends encouraged him to use the platform as an outlet to talk about his healing process. Lately, though, the 28-year-old retail sales worker who lives in Providence, Rhode Island, has decided to fully embrace, and talk abo

Topics: alexander like men says yearner

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Public exploits released for Citrix Bleed 2 NetScaler flaw, patch now

bleepingcomputer.com Unknown 2025-09-14 21:57:37

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable and can successfully steal user session tokens. The CitrixBleed 2 vulnerability, which affects Citrix NetScaler ADC and Gateway devices, allows attackers to retrieve memory contents simply by sending malformed POST requests during login attempts. This critical flaw is named CitrixBleed2 as it close

Topics: citrix exploited flaw memory netscaler

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This subscription-less video doorbell easily replaced my Ring - and it's $50 off right now

zdnet.com Maria Diaz 2025-09-15 06:15:13

ZDNET's key takeaways The Lorex 2K Wi-Fi video doorbell is available for $150. The doorbell comes in wired and wireless installations, communicates reliably, and includes a preinstalled 32GB microSD card for local storage so you can bypass subscription fees. Although it has a 2K resolution, the image is so wide angle that objects look distorted. $149.99 at Amazon For a limited time, Lorex has the 2K Wi-Fi Battery Video Doorbell discounted by $50 on Amazon, making it more affordable than ever.

Topics: 2k battery doorbell lorex video

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The era of exploration

news.ycombinator.com Yiding Jiang 2025-09-14 14:23:57

Large language models are the unintended byproduct of about three decades worth of freely accessible human text online. Ilya Sutskever compared this reservoir of information to fossil fuel, abundant but ultimately finite. Some studies suggest that, at current token‑consumption rates, frontier labs could exhaust the highest‑quality English web text well before the decade ends. Even if those projections prove overly pessimistic, one fact is clear: today’s models consume data far faster than humans

Topics: data exploration learning rl sampling

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“AI YOUR LIFE”, Anywhere: Hisense Transforms Stadium Excitement into Home Immersion

gizmodo.com David Nield 2025-09-15 06:00:42

We’re now getting towards the business end of the FIFA Club World Cup 2025™, with the semi-final stage imminent: Just four teams remaining, one of whom will leave the tournament with the trophy and the accolades. It’s been a wildly entertaining and action-packed series of games on the pitch, backed by cutting-edge technology off it. Hisense, a leading brand in global consumer electronics and home appliances, is showcasing its AI leadership at the FIFA Club World Cup 2025™ with the bold pitch-si

Topics: ai experience hisense home smart

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Public exploits released for CitrixBleed 2 NetScaler flaw, patch now

bleepingcomputer.com Unknown 2025-09-15 12:57:37

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable and can successfully steal user session tokens. The CitrixBleed 2 vulnerability, which affects Citrix NetScaler ADC and Gateway devices, allows attackers to retrieve memory contents simply by sending malformed POST requests during login attempts. This flaw is named CitrixBleed2 as it closely resemb

Topics: citrix exploited flaw memory netscaler

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Alan Tudyk Says Even Scenes Cut From ‘Andor’ Season 2 Made the Show Better

gizmodo.com Cheryl Eddy 2025-09-15 12:10:54

Fans of Rogue One: A Star Wars Story had long anticipated K-2SO‘s arrival on Andor. Considering the hulking droid voiced by Alan Tudyk plays a huge part in the movie, the Disney+ show was duty-bound to explain how he first crosses paths with Cassian Andor (Diego Luna). However, as it turned out, K-2SO’s role in the series wasn’t as expansive as some might’ve predicted. There’s a practical reason for that; as Andor creator Tony Gilroy explained back in April, bringing in such a physically conspi

Topics: 2so andor explained rogue tudyk

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Despite Losing Batman and Superman, Nicholas Hoult Knew Lex Luthor Was for Him

gizmodo.com Germain Lussier 2025-09-15 16:00:01

The world works in mysterious ways, even the world of comic book casting. Nicholas Hoult has been trying to become a superhero for years. He was one of the actors being considered for the lead role in Matt Reeves’ The Batman and was also considered to play Superman for James Gunn. Of course, neither of those things worked out, but something else worked out that was even better. Hoult ended up as Lex Luthor, and, it turns out, it was a role that was speaking to him all along. Speaking to Hoult o

Topics: hoult james lex like superman

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This portable battery station kept my home powered for two weeks - and it's 50% off right now

zdnet.com Adrian Kingsley-Hughes 2025-09-15 20:46:00

ZDNET's key takeaways The Jackery Explorer 2000 Plus expands up to 24,000 Wh, powering a home for two weeks. Built-in wheels and handle make the Explorer 2000 Plus easy to move. The Explorer 2000 Plus delivers 3,000W power, fast charging, and rugged durability. View now at Amazon Find the Jackery Explorer 2000 Plus on sale for up to 50% off ahead of Amazon Prime Day. You can save more or less depending on the accessories you bundle with the power station. Also: The 55+ best Prime Day deals w

Topics: 2000 explorer max plus power

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If You’re a Prime Member and Coffee Lover, the Breville Espresso Machine Is Selling for Peanuts on Prime Day

gizmodo.com Gizmodo Deals 2025-09-16 04:10:23

Prime Day is now the best time of year to score big savings on high-end brands, even eclipsing Black Friday prices. From Apple computers to Samsung phones to Breville coffee makers, Amazon is slashing prices on the most popular and newest models. The Breville Barista Express Espresso machine is one such example—Amazon has cut almost all its margin on this best seller, dropping it down to an all-time low price. You can now get the Barista Express for $549, down from its usual $749 which is a mas

Topics: amazon barista coffee express machine

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AirPods 4 Now Priced Like Budget Earbuds, as Amazon Clears Out Stock Without Asking Apple

gizmodo.com Gizmodo Deals 2025-09-16 04:35:58

Apple has long set the benchmark for wireless earbuds whether you’re after active noise cancellation (with the AirPods Pro 2) or prefer a more streamlined experience without ANC. Right now, it’s the latter that’s stealing the spotlight during Amazon’s Prime Day event with the AirPods 4 dropping to an all-time low price of $99—down from their usual $129. Better still, this sale is not behind a Prime membership, so the savings are open to anyone. See at Amazon Coming in at $99, the AirPods 4 are

Topics: airpods amazon audio earbuds experience

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The Era of Exploration

news.ycombinator.com Yiding Jiang 2025-09-16 16:23:57

Large language models are the unintended byproduct of about three decades worth of freely accessible human text online. Ilya Sutskever compared this reservoir of information to fossil fuel, abundant but ultimately finite. Some studies suggest that, at current token‑consumption rates, frontier labs could exhaust the highest‑quality English web text well before the decade ends. Even if those projections prove overly pessimistic, one fact is clear: today’s models consume data far faster than humans

Topics: data exploration learning rl sampling

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The digital future of industrial and operational work

technologyreview.com Mit Technology Review Insights 2025-09-16 20:00:00

Across all these scenarios, IT fundamentals—like remote access, unified login systems, and interoperability across platforms—are being handled behind the scenes and consolidated into streamlined, user-friendly solutions. The way employees experience these tools, collectively known as the digital employee experience (DEX), can be a key component of achieving business outcomes: Deloitte finds that companies investing in frontline-focused digital tools see a 22 % boost in worker productivity, a dou

Topics: ai companies digital experience systems

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Apple’s 5th Ave store spray-painted to protest ‘climate hypocrisy’

theverge.com Emma Roth 2025-09-16 20:11:57

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. A climate change activist was arrested after spray-painting Apple’s 5th Avenue store as part of a protest against Big Tech’s “climate hypocrisy.” Protestors from the Extinction Rebellion environmental group staged a demonstration at the New York City storefront on Sunday, and one individual spray-painted “Boycott” beneath the Apple logo on the build

Topics: apple climate extinction rebellion trump

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Latest Tech News

A fast 3D collision detection algorithm

If You Want an Alexa Speaker, the Newest Echo Spot Now Costs Peanuts on Amazon

Critical CitrixBleed 2 vulnerability has been under active exploit for weeks

I Will Text You the Best Prime Day Deals Directly to Your Phone -- for Free

Context is a native macOS app that was almost entirely written by AI

The Phantom of the Opera Has a Lot of Demands for His Immersive Masquerade

‘Superman’ Soars

Netflix Declares 300 Million Anime Fans Can’t Be Wrong

SpaceX in talks to raise new funding at $400B valuation

Save almost 50% on the Amazon Fire TV Omni QLED for Prime Day

What is AGI? Nobody agrees, and it’s tearing Microsoft and OpenAI apart.

OneText raises $4.5M from Y Combinator, Khosla to reinvent shopping by text

AGI may be impossible to define, and that’s a multibillion-dollar problem

Nissan feels the effect of US-China trade war

Malicious Chrome extensions with 1.7M installs found on Web Store

A Free Echo Spot? Amazon Is Almost There This Prime Day

‘Yearners’ Are Sick of Playing It Cool on Dating Apps

Public exploits released for Citrix Bleed 2 NetScaler flaw, patch now

This subscription-less video doorbell easily replaced my Ring - and it's $50 off right now

The era of exploration

“AI YOUR LIFE”, Anywhere: Hisense Transforms Stadium Excitement into Home Immersion

Public exploits released for CitrixBleed 2 NetScaler flaw, patch now

Alan Tudyk Says Even Scenes Cut From ‘Andor’ Season 2 Made the Show Better

Despite Losing Batman and Superman, Nicholas Hoult Knew Lex Luthor Was for Him

This portable battery station kept my home powered for two weeks - and it's 50% off right now

If You’re a Prime Member and Coffee Lover, the Breville Espresso Machine Is Selling for Peanuts on Prime Day

AirPods 4 Now Priced Like Budget Earbuds, as Amazon Clears Out Stock Without Asking Apple

The Era of Exploration

The digital future of industrial and operational work

Apple’s 5th Ave store spray-painted to protest ‘climate hypocrisy’

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