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Astronomers Just Solved the Mystery of the Universe's Missing Matter

news.ycombinator.com Margherita Bassi 2026-03-14 22:44:14

Decades ago, astronomers estimated that “ordinary” matter (basically everything that isn’t dark matter or dark energy) makes up 5% of the universe. There was just one problem—they had no idea where most of it was. Astronomers from the Center for Astrophysics Harvard & Smithsonian (CfA) and the California Institute of Technology (Caltech) have tracked down the universe’s “missing” matter. Fast radio bursts (FRBs) indicate that over three-quarters of ordinary matter, officially called baryonic ma

Topics: frbs galaxies gas light matter

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Toy-maker Mattel accused of planning “reckless” AI social experiment on kids

arstechnica.com Unknown 2026-03-15 00:22:43

After Mattel and OpenAI announced a partnership that would result in an AI product marketed to kids, a consumer rights advocacy group is warning that the collaboration may endanger children. It remains unclear what shape Mattel's first-ever AI product will take. But on Tuesday, Public Citizen co-President Robert Weissman issued a statement urging more transparency so that parents can prepare for potential risks. Weissman is particularly concerned that ChatGPT-fueled toys could hurt kids in unkn

Topics: ai children mattel toys weissman

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Meta is reportedly building AI smart glasses with Prada, too

techcrunch.com Maxwell Zeff 2026-03-15 00:38:07

In Brief Meta is working on a pair of AI smart glasses with the Italian high fashion brand, Prada, according to a report from CNBC on Tuesday. It’s unclear at this time when Meta’s Prada smart glasses will be publicly announced. The reported Prada collaboration signifies that Meta aims to bring its AI smart glasses technology to more fashion companies outside of its relationship with eyewear giant EssilorLuxottica. Until now, Meta has collaborated closely with EssilorLuxottica and its numerous

Topics: essilorluxottica glasses meta prada smart

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Guidelines on how to be a scientific sleuth released

news.ycombinator.com Unknown 2026-03-15 07:12:30

![COSIG Logo][1] ### **Anyone can do post-publication peer review.** ### **Anyone can be a steward of the scientific literature.** ### **Anyone can do forensic metascience.** ### **Anyone can sleuth.** However, investigating the integrity of the published scientific literature often requires domain-specific knowledge that not everyone will have. This open source project is a collection of guides written and maintained by publication integrity experts to distribute this domain-specific knowledge

Topics: cosig guides https io osf

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Playdate Season 2 review: Long Puppy and Otto's Galactic Groove!!

engadget.com Unknown 2026-03-12 08:00:25

We're officially halfway through Playdate Season Two, and so far there have been no flops. Last week brought us a balanced serving of doom, gloom and delight , but this week is all about keeping things light and silly. That's not to say the latest two games are a walk in the park, though. The third drop of Season Two features Long Puppy and Otto's Galactic Groove!! , and as playful as they are, you're still in for a challenge. But when you need a break, there's always more Blippo+. Long Puppy

Topics: game games just like otto

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For Almost Free, PopSockets and Anker Come Together With This Easy-to-Hold Magnetic Phone Charger

gizmodo.com Joe Tilleli 2026-03-15 11:10:15

Save 50% on the PopSockets x Anker MagGo 5,000mAh portable magnetic battery charger over at Best Buy. This collaboration between PopSockets and Anker is a match made in heaven. If your phone is new enough that it supports magnetic wireless charging, then you can pick up this Anker MagGo 5,000mAh portable magnetic battery charger that has an integrated PopSockets grip on the back. Right now, Best Buy has it discounted down by 50%. It’s normally $70, but you can score one in either black or clear

Topics: battery charger magnetic phone popsockets

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Instagram is working on a repost button for the main feed

9to5mac.com Marcus Mendes 2026-03-15 15:43:41

Instagram might be about to cross off one of the most requested features from users’ wish lists: The company has confirmed it’s testing a native repost button for the main Feed. Here’s how it might work. Not the first time, but maybe the last? If you’ve got a good memory, you might recall that Instagram first started experimenting with reposts back in 2022. Now, some users are once again spotting the feature live in their accounts. According to early reports and screenshots (which Meta has co

Topics: button confirmed instagram repost users

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Sitecore CMS exploit chain starts with hardcoded 'b' password

bleepingcomputer.com Unknown 2026-03-15 15:10:35

A chain of Sitecore Experience Platform (XP) vulnerabilities allows attackers to perform remote code execution (RCE) without authentication to breach and hijack servers. Sitecore is a popular enterprise CMS used by businesses to create and manage content across websites and digital media. Discovered by watchTowr researchers, the pre-auth RCE chain disclosed today consists of three distinct vulnerabilities. It hinges on the presence of an internal user (sitecore\ServicesAPI) with a hardcoded pa

Topics: attacker path sitecore upload watchtowr

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OnePlus Watch 3 Review: The Best Battery Life of Any Android Smartwatch

cnet.com See Full Bio 2026-03-15 15:00:03

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Editor's note, June 16, 2025: OnePlus released a smaller 43mm version of the OnePlus Watch 3 in silver stainless steel. This review has been updated to reflect the new addition to the lineup. Editor's note, March 4, 2025: We've updated our score for the OnePlus Watch 3 from 8.5 to 8.8 to reflect that OnePlus extended its Wear OS update cycle to three years

Topics: battery oneplus sleep tracking watch

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The Nissan Leaf Is Back and Looking to Make Up Lost Ground

wired.com John Voelcker 2026-03-15 12:00:00

Finally, after 15 years, we have a new 2026 Nissan Leaf coming. As befits the “truckification” of global car markets, it’s no longer a compact hatchback. Now it’s a compact SUV—or, more accurately, a crossover utility vehicle built on passenger-vehicle underpinnings. The new Leaf will offer a range of up to 303 miles, Nissan says, from a 75-kilowatt-hour battery pack powering a 160-kilowatt (214-horsepower) motor that produces 261 pound-feet (354 newton-meters) of torque. That motor drives the

Topics: battery car charging leaf nissan

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PS2 emulation on Android just got a big update, but be careful which version you install

androidauthority.com Unknown 2026-03-15 20:42:23

Robert Triggs / Android Authority TL;DR PS2 emulator NetherSX2 dropped its first major update of the year. There are two versions, Classic (3668) and standard (4248), with performance differences. Both versions have an updated GameDB conversion script for improved performance. PS2 emulation on Android has been advancing slowly since AetherSX2 shuttered its doors, but things have been picking up once again now that developer Trixarian has been actively improving the NetherSX2 fork. The first

Topics: better classic nethersx2 performance version

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Meet the Corvette ZR1X: America's 1,250-horsepower hybrid hypercar

engadget.com Unknown 2026-03-15 20:00:18

Enough is never enough. Chevrolet has only just released the Corvette ZR1, which at 1,064 horsepower is the fastest, quickest and most outrageous production car ever to wear a bowtie on the hood. It can keep the neckwear, but its performance crown has already found a new home. Meet the new ZR1X, an even higher-performance Corvette that will take America's sports car to new heights. It has 1,250HP, all-wheel drive and accelerates to 60MPH in less than two seconds. Oh, and yes, it's a hybrid. I

Topics: car corvette new ray zr1x

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End of Abyss is when Metroidvania meets space horror

engadget.com Unknown 2026-03-15 20:00:49

You’d assume that the latest game from the studio that made Little Nightmares 2 is going to be a bit spooky and dark, and Section 9’s End of Abyss is that. However, it's also a little easier to describe and explain: an atmospheric sci-fi shooter with Metroidvania-style exploration. While there's no shortage of Metroidvanias to draw inspiration from, when I played a demo at SGF 2025, all I could think of was Alien. It might be the scanner, which the protagonist can use to glean information, spot

Topics: abyss demo end game little

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What I Wish Someone Told Me When I Was Getting into ARIA

news.ycombinator.com Eric Bailey 2026-03-15 20:47:26

What I Wish Someone Told Me When I Was Getting Into ARIA 34 min read Share on Twitter, LinkedIn is an inevitability when working on web accessibility. That said, it’s everyone’s first time learning about ARIA at some point. Accessible Rich Internet Applications (ARIA) is an inevitability when working on web accessibility. That said, it’s everyone’s first time learning about ARIA at some point. If you haven’t encountered ARIA before, great! It’s a chance to learn something new and exciting. I

Topics: aria assistive button technology use

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The 560-pound Twitter sign met a fiery end in a Nevada desert

engadget.com Unknown 2026-03-15 23:50:34

Earlier this year, the 12-foot tall, 560-pound Twitter logo that used to sit atop the company's San Francisco headquarters was auctioned off for $34,000. Now, we know who bought it and what became of the sign: it was blown up in the Nevada desert as part of an elaborate stunt to promote an online marketplace app. In some ways, "Larry," as the blue Twitter bird was known to former employees, met an end that mirrors the death of the social media platform it once represented: an explosive, expensi

Topics: company deluca ditchit sign twitter

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I made the switch to a smart litter box, and my cat approves

zdnet.com Allison Murray 2026-03-15 23:35:00

ZDNET's key takeaways The Whisker Litter-Robot 4 retails for $700 and comes in black or white. This self-cleaning litter box lets you keep tabs on your cat's health through the helpful app. However, it is an expensive buy, and the app frequently experiences glitches. You're either a cat person or a dog person, and this writer is a cat person. My cat, Norbert, is a loud, orange boy and is the cutest thing ever. He's easy to take care of, but one thing I, and perhaps all cat owners, dread is t

Topics: box cat litter robot whisker

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How you breathe is like a fingerprint that can identify you

news.ycombinator.com Basilio 2026-03-13 16:41:31

Every breath you take ... could add to a breathing pattern that is unique to you, a study finds.Credit: Anusak Laowilas/NurPhoto via Getty Like the swirls in fingerprints, a person’s breathing pattern might be unique to them — offering a way not only to identify individuals, but also to identify some of their physical and mental traits. A team of researchers measured the breathing of 97 healthy people for 24 hours, and found that they could identify participants with relatively high accuracy f

Topics: 24 breath breathing participants patterns

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King-Size Bed Dimensions: How to Sleep Like a King in Your Own Bedroom

cnet.com See Full Bio 2026-03-15 23:00:03

It is no secret how valuable sleep is to our wellbeing. Not getting enough sleep can affect our mental health, prematurely age our brains and even affect how long we live. Part of getting the right amount of sleep is having the right mattress. Before you can buy your next bed, you need to know the right mattress size for your room. A king bed gives a ton of space for sleep and makes room for sleeping partners, but it also demands a lot of space in your bedroom. If you're thinking about buying

Topics: bed inches king mattress size

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Best Air Mattresses of 2025, Tested by CNET Experts

cnet.com See Full Bio 2026-03-15 23:05:00

There are a few general things to consider when shopping for the best air mattress. Price Price is the primary criterion for most people searching for the best air mattress. A queen-size bed can cost as little as $30, while the most expensive air mattresses can cost hundreds of dollars. A higher price doesn't always mean a taller air bed, a better air mattress, better air pressure, a self-inflating mattress, a better sleeping surface, more comfort or a decent night's sleep. Inflation The bes

Topics: air bed better mattress pump

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What Type of Mattress Is Right for You? (2025)

wired.com Julia Forbes 2026-03-15 23:37:00

If you're looking to buy a mattress, I don't need to tell you the research process is complex. To assist with that, we have a whole guide that lays out (no pun intended … OK, partially intended) where to begin. But for now, I’m going to walk through the various types of mattress materials. My hope is that by the time you finish reading this, you’ll have a better idea of what kind of mattress you’re looking for, which will make your final decision that much easier. To put your mind at ease, let

Topics: coil coils mattress mattresses traditional

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The default TV setting you should turn off immediately - and why experts recommend it

zdnet.com Chris Bayer 2026-03-16 03:38:00

Kerry Wan/ZDNET For many people, motion smoothing on TVs is only appropriate for gaming and watching live sports; enthusiasts typically prefer turning off the feature to watch anything else because it can detract from the filmmaker's original intent, making on-screen images seem artificial or hyper-realistic. This is what's called the "soap opera effect." Also: How to disable ACR on your TV (and why doing so makes such a big difference) It's a perfectly descriptive metaphor that probably requ

Topics: motion picture settings smoothing tv

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Getty Images Has One of the Best AI Image Generator Set-Ups I've Tested

cnet.com See Full Bio 2026-03-16 03:00:05

Generative AI has infiltrated nearly every part of our online lives, and photography and other creative services are no exception. Getty Images is best known for its extensive stock library, and it began experimenting with AI back in 2023. Now, it has a collection of AI editing tools to help people who license the perfect imagery through its library. It also has an AI image generator that has one of the best setups I've ever used. There's a lot to like about Getty Images's approach to AI. Any A

Topics: ai getty image images tools

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The Nissan Leaf Is Back And Looking to Make Up Lost Ground

wired.com John Voelcker 2026-03-16 03:00:00

Finally, after 15 years, we have a new 2026 Nissan Leaf coming. As befits the ‘truckification’ of global car markets, it’s no longer a compact hatchback. Now, it’s a compact SUV—or, more accurately, a crossover utility vehicle built on passenger-vehicle underpinnings. The new Leaf will offer a range of up to 303 miles, Nissan says, from a 75-kilowatt-hour battery pack, powering a 160-kilowatt (214-horsepower) motor that produces 261 lb-ft (354 Newton-meters) of torque. That motor drives the fro

Topics: battery car charging leaf nissan

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The Nissan Leaf is finally getting the makeover it deserves

theverge.com Andrew J. Hawkins 2026-03-16 03:00:00

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. Nissan revealed new details about the upcoming 2026 Leaf, which will return as a crossover SUV with up to 303 miles of estimated range, dual charge ports, and Google’s software built-in. The reborn Leaf will reach dealerships in the US starting this fall at a yet-to-be-announced price. The 2026 Leaf is a significant improv

Topics: battery charging leaf new nissan

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Life with the Nintendo Switch 2

theverge.com David Pierce 2026-03-16 03:15:27

The Nintendo Switch 2 is great. In many ways, it’s exactly what we hoped for: a Switch, only better. And yet there’s something… underwhelming about it. Maybe it’s unfair, but we’ve come to expect Nintendo to consistently amaze us with either how its consoles work or the games you can play with them. In this case, it still feels like a Switch. Only better. And not universally better, either. On this episode of The Vergecast, now that a number of folks on our team have spent some real time with t

Topics: better games switch time verge

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This $300 Motorola has no business being this good for the price (and it has a large battery)

zdnet.com Cesar Cadenas 2026-03-16 09:00:14

ZDNET's key takeaways Motorola's Moto G Power is currently on sale for $300. This device boasts multi-day battery life, a 6.8-inch Full HD+ screen, and decent performance for a mid-range phone. However, its similarities to the base Moto G may not be enough to convince people to pay an extra $100. View now at Amazon View now at Motorola more buying choices Motorola's Moto G Power is the sibling to the 2025 Moto G, a solid mid-tier smartphone that I reviewed not too long ago. The variant is not

Topics: battery moto motorola phone power

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How to disable ACR on your TV (and why doing so makes such a big difference)

zdnet.com Chris Bayer 2026-03-16 13:00:13

Kerry Wan/ZDNET Did you know that whenever you turn on your smart TV, you invite an unseen guest to watch it with you? These days, most popular TV models utilize automatic content recognition (ACR), a form of ad surveillance technology that gathers information about everything you watch and transmits it to a centralized database. Manufacturers then use your data to identify your viewing preferences, enabling them to deliver highly targeted ads. Also: Don't cancel Netflix yet: I used these sec

Topics: acr option select settings tv

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Identity Assertion Authorization Grant

news.ycombinator.com Aaron Parecki 2026-03-12 12:57:14

This specification provides a mechanism for an application to use an identity assertion to obtain an access token for a third-party API using Token Exchange [ RFC8693 ] and JWT Profile for OAuth 2.0 Authorization Grants [ RFC7523 ]. ¶ This note is to be removed before publishing as an RFC.¶ The latest revision of this draft can be found at https://drafts.aaronpk.com/draft-parecki-oauth-identity-assertion-authz-grant/draft-parecki-oauth-identity-assertion-authz-grant.html. Status information fo

Topics: assertion draft https identity oauth

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Finland warms up the world's largest sand battery, the economics look appealing

news.ycombinator.com Tim De Chant 2026-03-16 13:03:51

It doesn’t look like much, but Finland recently flipped the switch on the world’s largest sand-based battery. Yes, sand. A sand battery is a type of thermal energy storage system that uses sand or crushed rock to store heat. Electricity — typically from renewable sources — is used to heat the sand. That stored heat can later be used for various ends, including to warm buildings. The economics are compelling, and it’s hard to get any cheaper than the crushed soapstone now housed inside an insu

Topics: battery electricity heat sand town

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iPhone 17 Rumors: New iPhone Battery Could Be Stronger and Smaller

cnet.com See Full Bio 2026-03-16 09:00:00

The next iteration of iPhones is just around the corner, with an official announcement expected sometime this fall. With the Worldwide Developers Conference now behind us, we're most looking forward to the announcement of the iPhone 17. There are plenty of rumors about what the next iPhone will look like and what sort of specs it may have. One of the more popular talking points for any new smartphone release is battery life, and the new iPhone is no exception. A rumored iPhone 17 Air with a thi

Topics: 17 battery iphone new rumored

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Latest Tech News

Astronomers Just Solved the Mystery of the Universe's Missing Matter

Toy-maker Mattel accused of planning “reckless” AI social experiment on kids

Meta is reportedly building AI smart glasses with Prada, too

Guidelines on how to be a scientific sleuth released

Playdate Season 2 review: Long Puppy and Otto's Galactic Groove!!

For Almost Free, PopSockets and Anker Come Together With This Easy-to-Hold Magnetic Phone Charger

Instagram is working on a repost button for the main feed

Sitecore CMS exploit chain starts with hardcoded 'b' password

OnePlus Watch 3 Review: The Best Battery Life of Any Android Smartwatch

The Nissan Leaf Is Back and Looking to Make Up Lost Ground

PS2 emulation on Android just got a big update, but be careful which version you install

Meet the Corvette ZR1X: America's 1,250-horsepower hybrid hypercar

End of Abyss is when Metroidvania meets space horror

What I Wish Someone Told Me When I Was Getting into ARIA

The 560-pound Twitter sign met a fiery end in a Nevada desert

I made the switch to a smart litter box, and my cat approves

How you breathe is like a fingerprint that can identify you

King-Size Bed Dimensions: How to Sleep Like a King in Your Own Bedroom

Best Air Mattresses of 2025, Tested by CNET Experts

What Type of Mattress Is Right for You? (2025)

The default TV setting you should turn off immediately - and why experts recommend it

Getty Images Has One of the Best AI Image Generator Set-Ups I've Tested

The Nissan Leaf Is Back And Looking to Make Up Lost Ground

The Nissan Leaf is finally getting the makeover it deserves

Life with the Nintendo Switch 2

This $300 Motorola has no business being this good for the price (and it has a large battery)

How to disable ACR on your TV (and why doing so makes such a big difference)

Identity Assertion Authorization Grant

Finland warms up the world's largest sand battery, the economics look appealing

iPhone 17 Rumors: New iPhone Battery Could Be Stronger and Smaller

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