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Quantum mechanics provide truly random numbers on demand

news.ycombinator.com National Institute Of Standards 2025-09-12 16:26:38

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Instrumentation for the quantum random number generator in the NIST Boulder laboratories. Credit: NIST Randomness is incredibly useful. People often draw straws, throw dice or flip coins to make fair choices. Random numbers can enable auditors to make completely unbiased selections. Randomness is also key in securit

Topics: nist numbers quantum random randomness

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How the first electric grid was built

news.ycombinator.com Alex Chalmers 2025-09-14 19:34:03

The Linear No Threshold model says that there is no safe level of radiation exposure. There is overwhelming evidence it is false, yet it inspires the ALARA principle, which makes nuclear power unaffordable worldwide. Read the lead article from Issue 19 of Works in Progress. We’re hosting a Stripe Press pop-up coffee shop and bookstore on Saturday, June 28, in Washington, DC. RSVP here if you can make it. In 1883, Sir Coutts Lindsay, owner of the Grosvenor Art Gallery in Bond Street, decided th

Topics: electricity generation grid local power

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This Tiny Solar Security 2K Camera Is Now 50% Off, Amazon Is Cutting All Margins to Keep You Safe

gizmodo.com Gizmodo Deals 2025-09-14 20:25:30

Outdoor security cameras can feel like more trouble than they’re worth at times – running wires together, with battery packs that take forever to charge, wrestling with terrible video quality and with monthly subscription fees that shoot up fast. But today, Amazon’s offering a solution that trims all those problems on its head and it’s priced nearly too low to believe: The Eufy Security Cam (S220) is a wireless outdoor security camera with solar power and it is currently discounted by 50%, brin

Topics: camera outdoor price security solar

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The Samsung Galaxy Watch Ultra Now Costs Less Than the Apple Watch Series 10 With or Without Trade-In

gizmodo.com Mike Fazioli 2025-09-14 20:40:08

Samsung wants your smartwatch. Or your smartphone. Or your wireless earbuds. Relax — they’re not robbing you. In fact, they want your old stuff so they can give you new, better stuff — up to $325 in trade-in credit toward the purchase of their top-level Galaxy Watch Ultra. Even if you’re not ready to fork over your old gear, Samsung will give you $200 off the Galaxy Watch Ultra. With the max trade-in deal, the price of the Galaxy Watch Ultra gets cut literally in half, from $650 to just $325. T

Topics: galaxy price samsung ultra watch

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Your Nintendo Switch 2 Needs an All-New MicroSD Card. Here Are the Best Ones

cnet.com James Bricknell 2025-09-14 19:43:00

The Nintendo Switch 2 is officially here, and it's living up to the hype. Nintendo's gave us a good idea of what to expect, and we've been playing Mario Kart World just like everyone else. While the console looks similar to the previous one, it's very different in some key ways. That's why you should definitely check out our explainer on everything you need to know about the Switch 2 whether you're a proud owner or waiting for restocks. One of the most notable changes, compared to the OG Switch

Topics: express microsd new storage switch

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Microsoft’s Windows Hello facial recognition no longer works in the dark

theverge.com Tom Warren 2025-09-14 20:05:07

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft’s Windows Hello face unlock feature no longer works in dark rooms, and it’s not a bug. Microsoft quietly made the change to Windows Hello in April, in order to fix a vulnerability with Windows Hello spoofing. Fixing the security flaw has now removed key functionality from Windows Hello in Windows 11. Windows Central spotted April’s change after some Surface Laptop us

Topics: camera face hello microsoft windows

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As grocery shortages persist, UNFI says it’s recovering from cyberattack

techcrunch.com Zack Whittaker 2025-09-14 20:15:49

Food distribution giant United Natural Foods (UNFI) said it is making “significant progress” in recovering from a cyberattack that occurred almost two weeks ago, as grocery stores across North America reliant on the distributor continue to report food shortages. UNFI said in an update on Sunday that it was restoring its electronic ordering systems, which its customers use to place orders for their grocery stores and supermarkets. The company, which provides more than 30,000 stores across the U

Topics: cyberattack foods stores techcrunch unfi

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Apple's Mac Mini M4 is back on sale for $499

engadget.com Unknown 2025-09-15 00:15:24

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . There's no denying that getting a high-quality computer is going to set your finances back a bit. So, when one of them gets discounted we want to scream it from the rooftops. Such is the case today with a solid sale on Apple's 2024 Mac mini (M4). Right now, the newest Mac mini is avai

Topics: 16gb mac mini ram storage

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Is gravity just entropy rising? Long-shot idea gets another look

news.ycombinator.com George Musser 2025-09-14 10:36:41

Isaac Newton was never entirely happy with his law of universal gravitation. For decades after publishing it in 1687, he sought to understand how, exactly, two objects were able to pull on each other from afar. He and others came up with several mechanical models, in which gravity was not a pull, but a push. For example, space might be filled with unseen particles that bombard the objects on all sides. The object on the left absorbs the particles coming from the left, the one on the right absorb

Topics: carney gravity models qubits space

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The MCU Might Be Planning Even More Returning Faces

gizmodo.com James Whitbrook 2025-09-14 23:00:29

James Gunn teases the arrival of Superman‘s “Justice Gang”. Don’t expect a sequel to Transformers One. Plus, what’s coming on the next Rick and Morty. To me, my spoilers! The MCU During a recent interview with THR, Karen Gillan only answered “I can’t say, but watch this space” when asked about Nebula’s potential return to the MCU. Thor 5 According to insider Alex Perez, there is “interest” at Marvel to bring Cate Blanchett’s Hela back, likely for scenes set in Valhalla in an upcoming Thor pr

Topics: named new rick trailer transformers

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This Solar-Powered TP-Link Tapo Security Camera Kit Is at Its Lowest Price, Black Friday Price Live Again

gizmodo.com Brittany Vincent 2025-09-15 00:10:52

Long gone are the days where you’d need a pricey subscription to take care of your home with a security camera. You can get as many units you need now without having to sign a contract or pay for service fees. You can install them yourself. They’re wire-free, weatherproof, and powered by the sun. And best of all, right now you can get a set that’s heavily discounted and delivered straight to you via Amazon. Right now, you can head to Amazon to pick up the TP-Link Tapo SolarCam C402 Kit for just

Topics: 40 amazon camera home panel

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I often replace my premium headphones with this classic Bose pair - and never regret it

zdnet.com Jada Jones 2025-09-15 04:41:00

ZDNET's key takeaways The Bose QuietComfort Headphones are available in seven colors for $349, and are often up to $100 off. They are true to the QuietComfort namesake, providing excellent noise cancellation and all-day comfort. However, like all of Bose's over-ear headphones, the QuietComfort have a short, 24-hour battery life. View now at Bose I have an arsenal of premium consumer headphones. The Sony XM6, Apple AirPods Max, Bose QuietComfort Ultra, Beats Studio Pro, Sonos Ace, and more all

Topics: bose features headphones quietcomfort ultra

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This Is the Best-Rated Garmin Forerunner, And It’s Just Hit a New All-Time Low on Amazon

gizmodo.com Gizmodo Deals 2025-09-15 04:25:41

Among the best-rated running watches available today, the Garmin Forerunner series consistently earns top marks from runners and fitness enthusiasts. The Garmin Forerunner 265 and Forerunner 265S are no exception, boasting an impressive 4.7 out of 5 stars across hundreds of Amazon reviews. These two models—the 265S in 42mm and the standard 265 in 46mm—have both dropped to an all-time low price of $349 since Monday morning, down from their original list price of $449. With a discount of $100, th

Topics: 265 forerunner garmin training watches

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Kia EV4 Review: Price, Specs, Availability

wired.com John Voelcker 2025-09-15 04:00:00

The 2026 Kia EV4 could be an important vehicle in the ongoing global EV transition. To be sold in 140 markets globally, the EV4 is a carefully calibrated shot at bringing long-range electric power into the high-volume mainstream segment of compact sedans and hatchbacks at an affordable price. US and Asian markets will get an EV4 sedan (the model I spent the day with for this review), now built in Korea. Europeans’ preference for five-doors means only an EV4 hatchback will be available in that r

Topics: cost ev4 kia range volt

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Trying out Nvidia’s RTX 50 Series GPU on a Falcon Northwest gaming PC | review

venturebeat.com Dean Takahashi 2025-09-15 08:30:00

Kelt Reeves has been creating custom gaming PCs since 1992. Before he got out of college, Reeves started Falcon Northwest in Medford, Oregon, and it’s cranking out gaming PCs with the polish of a small company. I have interviewed Reeves over the years and used a number of his machines. I saw him again on a sad occasion at the memorial service for Gordon Mah Ung, one of the original and finest gaming hardware reviewers. I tried out a Falcon Northwest machine back in 2019, and I used the Falcon

Topics: ai graphics machine performance tiki

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Meta AI app ‘a privacy disaster’ as chats unknowingly made public

9to5mac.com Ben Lovejoy 2025-09-15 08:12:36

The Meta AI app has been described as “a privacy disaster,” as users unknowingly make their embarrassing questions public. One tech writer described it as like discovering your web browser history has been public all along without you knowing it … TechCrunch reports that there is an absolutely ridiculous privacy default for many users. Whether you admit to committing a crime or having a weird rash, this is a privacy nightmare. Meta does not indicate to users what their privacy settings are as

Topics: ai instagram meta privacy public

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No Fed Cut, No Rate Break: June Mortgage Forecast Stays Flat

cnet.com See Full Bio 2025-09-15 08:00:07

As the Federal Reserve likely holds interest rates steady, mortgage rates are expected to stay in a narrow range. Tharon Green/CNET With each passing day, it seems like average 30-year mortgage rates could remain stuck near 6.8% for the rest of the year. Yet conflicting economic forces could push mortgage rates up or down in the coming months. Housing market experts say the same thing: The direction of mortgage rates depends on the economic impact of policies by the Trump administration and th

Topics: economic inflation mortgage rate rates

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This Historian Has Seen the Future of Trans Health Care

wired.com Harron Walker 2025-09-15 06:00:00

Jules Gill-Peterson is speaking to me from the future. She’s 11 hours ahead of me when I reach her over Zoom. While I’m sniffling and congested on a rainy Wednesday evening on my side of the screen in Brooklyn, Jules is welcoming the sun on a beautiful Thursday morning, the bright blue sky of Bangkok peeking in from the window behind her. The Baltimore-based trans studies scholar is known for her work on the history of medical transition, specifically the history of how trans kids have attempte

Topics: care gill peterson surgery trans

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OnePlus 15 leak teases big changes, and not everyone’s going to be happy

androidauthority.com Unknown 2025-09-15 14:30:57

Aamir Siddiqui / Android Authority TL;DR A new leak suggests that the upcoming OnePlus flagship, likely the OnePlus 15, will feature a flat 6.78-inch 1.5K display and the next-generation Snapdragon 8 Elite Gen 2 chipset. It is expected to have a 50MP triple camera setup, with a large primary camera and a periscope zoom camera. OnePlus could also be moving away from its Hasselblad partnership in favor of launching its own “image” brand. The OnePlus 13 ticks all the right boxes for a top-tier

Topics: 15 camera display flat oneplus

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I'm a full-time Canon photographer, but this Nikon camera had me reconsidering my choices

zdnet.com Ant Pruitt 2025-09-15 17:03:00

ZDNET's key takeaways The Nikon Z50 II is a fantastic camera for beginners and intermediate photographers, with a starting price of $906. The build is sturdy and adaptable to various shooting modes. You'll have to settle with a Micro HDMI port and operation speeds that can be a bit faster. View now at Amazon As the spring months are coming to a close and summer officially begins, many folks are planning time for family to build and capture great memories for years to come. Of course, photogra

Topics: camera great ii nikon z50

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Hyperspectral scans of historical pigments and painting reconstructions

news.ycombinator.com Unknown 2025-09-11 22:00:19

Painting Tools and Dataset Processed paint samples, using the Kubelka-Munk model to compute reflection and the painting_tools package to display the RGB values. See the corresponding notebook to understand how these parameters were estimated. This repository contains code and links to data for painting analysis using hyperspectral data. This data can be used in technical art history and computer graphics applications, for example for pigment mapping and spectral upsampling. Code and data for t

Topics: data hyperspectral paint pigment wiersma

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A Closer Look At Uranus’s Moons Reveals a Surprising Dark Side

gizmodo.com Passant Rabie 2025-09-15 16:00:19

The moons that orbit Uranus are already known to have unusual characteristics: some are heavily cratered, others have tectonic features or a patchwork of ridges and cliffs. Using the Hubble space telescope, scientists took a closer look at the surface of Uranus’s four largest moons and discovered something rather unexpected. For the study, a team of astronomers went searching for signs of interactions between Uranus’s magnetic field and its four largest moons: Ariel, Umbriel, Titania, and Obero

Topics: field moons orbit planet uranus

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Amazon Is Clearing Out Galaxy S25 Ultra Stock, Now Way Cheaper Than on the Official Store

gizmodo.com Gizmodo Deals 2025-09-15 16:03:38

Right now, the Galaxy S25 Ultra is Amazon’s top-selling phone. It came out in January 2025 and is now seen as the best Android phone – even better than the iPhone 16 Pro according to many. Amazon is selling it for $1,099 which is $200 less than its original price of $1,299, and a record low price. It’s also a lot cheaper here than at the official Samsung store, but it could sell out fast. See at Amazon Best Phone in 2025 The Galaxy S25 Ultra is regarded by experts as the best phone available

Topics: day galaxy phone s25 ultra

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Google Is Going Nuts, the New Pixel 9 Is at a Record Low Price Close to Entry-Level Models

gizmodo.com Gizmodo Deals 2025-09-15 16:06:27

Google’s latest flagship, the Pixel 9, is here to raise the bar on what one can expect from a premium smartphone – most notably in the fields of photography and video. Launched in September, this Android phone is very popular with its mind-boggling performance, seamless integration with Gemini AI, and, most importantly, world-class camera capabilities. While Pixel phones have been praised in the past for their incredible value and camera prowess, the Pixel 9 takes it to the next level – particu

Topics: ai amazon camera low pixel

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Just Before Summer, Amazon Sells Out the New GoPro Hero13 Black at an All-Time Low

gizmodo.com Gizmodo Deals 2025-09-15 17:25:17

The GoPro Hero13 Black is the ultimate luxury in adventure cameras, having launched at the end of 2024 to great acclaim. With the summer months closing in, Amazon’s timing of this offer can’t be more perfect and provides the Hero13 Black at an all-time discounted price of $329, originally listed for $429. This is a deep discount on a camera considered as the “gold standard” for action photography and video production. See at Amazon One of the Best Amazon Deals Right Now At $329, the GoPro Her

Topics: amazon black camera gopro hero13

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Trump Touts China Trade Deal: Tariffs Back to Square One, Still Historically High

cnet.com See Full Bio 2025-09-15 15:30:00

Greg Baker/Getty Images President Donald Trump last week took to Truth Social to tout a new tentative trade agreement with China, albeit one that only really takes things back to square one and leaves the tariff rate against Beijing at historically high levels. "WE ARE GETTING A TOTAL OF 55% TARIFFS, CHINA IS GETTING 10%," Trump's post to Truth Social read, with a later post adding, "President Xi [Jinping] and I are going to work closely together to open up China to American Trade. This would

Topics: 55 china rate tariffs trump

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Wanna Rumble? Take WIRED's Quiz to Figure Out Your Fighting Style

wired.com Wired Staff 2025-09-15 16:00:00

When it comes to the fights of the moment, certain people perform better in some arenas than others. It's time to find out what kind of brawler you are.

Topics: arenas better brawler certain comes

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Taiwan blacklists China's Huawei and SMIC, further aligning with U.S. trade policy

cnbc.com Dylan Butts 2025-09-15 16:55:58

The U.S. has placed major chip export restrictions on Huawei and Chinese firms over the past few years. This has cut off companies' access to critical semiconductors. Taiwan has added China's Huawei and SMIC to its trade blacklist in a move that further aligns it with U.S. trade policy and comes amid growing tensions with Beijing. The two leading Chinese chip firms have been put on Taiwan's "Strategic High-Tech Commodities Entity List," along with many of their international subsidiaries. Tai

Topics: export huawei smic taiwan trade

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Apple Fitness could benefit greatly from one simple expansion

9to5mac.com Michael Burkhardt 2025-09-15 14:00:48

Apple has definitely built up quite a compelling ecosystem around the Apple Watch. Between all of its fitness challenges, activity rings, and competitions – Apple has certainly found a way to make exercise fun for a lot of people. The problem? Some people simply don’t like the form factor of a smartwatch. The proposal To put it short, I think Apple should allow third party health trackers to integrate with the Apple Fitness app. The catch? It’d be tied into an Apple Fitness+ subscription. App

Topics: apple ecosystem fitness trackers watch

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The best satellite phones of 2025: Expert tested and reviewed

zdnet.com Adrian Kingsley-Hughes 2025-09-15 12:30:27

We're fortunate to live in an age when cellphone and Wi-Fi coverage is incredible, but it can still let you down. For those times, satellite phones are a true game-changer for anyone beyond the reach of traditional mobile networks or during emergencies or natural disasters. Unlike standard smartphones, which rely on cellular networks made up of physical towers, satellite phones communicate directly with satellites orbiting approximately 500 miles above the Earth. Satellite connectivity is an es

Topics: battery coverage phone satellite sos

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Latest Tech News

Quantum mechanics provide truly random numbers on demand

How the first electric grid was built

This Tiny Solar Security 2K Camera Is Now 50% Off, Amazon Is Cutting All Margins to Keep You Safe

The Samsung Galaxy Watch Ultra Now Costs Less Than the Apple Watch Series 10 With or Without Trade-In

Your Nintendo Switch 2 Needs an All-New MicroSD Card. Here Are the Best Ones

Microsoft’s Windows Hello facial recognition no longer works in the dark

As grocery shortages persist, UNFI says it’s recovering from cyberattack

Apple's Mac Mini M4 is back on sale for $499

Is gravity just entropy rising? Long-shot idea gets another look

The MCU Might Be Planning Even More Returning Faces

This Solar-Powered TP-Link Tapo Security Camera Kit Is at Its Lowest Price, Black Friday Price Live Again

I often replace my premium headphones with this classic Bose pair - and never regret it

This Is the Best-Rated Garmin Forerunner, And It’s Just Hit a New All-Time Low on Amazon

Kia EV4 Review: Price, Specs, Availability

Trying out Nvidia’s RTX 50 Series GPU on a Falcon Northwest gaming PC | review

Meta AI app ‘a privacy disaster’ as chats unknowingly made public

No Fed Cut, No Rate Break: June Mortgage Forecast Stays Flat

This Historian Has Seen the Future of Trans Health Care

OnePlus 15 leak teases big changes, and not everyone’s going to be happy

I'm a full-time Canon photographer, but this Nikon camera had me reconsidering my choices

Hyperspectral scans of historical pigments and painting reconstructions

A Closer Look At Uranus’s Moons Reveals a Surprising Dark Side

Amazon Is Clearing Out Galaxy S25 Ultra Stock, Now Way Cheaper Than on the Official Store

Google Is Going Nuts, the New Pixel 9 Is at a Record Low Price Close to Entry-Level Models

Just Before Summer, Amazon Sells Out the New GoPro Hero13 Black at an All-Time Low

Trump Touts China Trade Deal: Tariffs Back to Square One, Still Historically High

Wanna Rumble? Take WIRED's Quiz to Figure Out Your Fighting Style

Taiwan blacklists China's Huawei and SMIC, further aligning with U.S. trade policy

Apple Fitness could benefit greatly from one simple expansion

The best satellite phones of 2025: Expert tested and reviewed

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