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Quantum mechanics provide truly random numbers on demand

news.ycombinator.com National Institute Of Standards 2026-03-18 08:26:38

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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Mathematical Illustrations: A Manual of Geometry and PostScript

news.ycombinator.com Unknown 2026-03-20 10:14:54

This manual has been available on this site since about 1996, with improvements taking place frequently. The current version has been published as a book of about 350 pages by Cambridge University Press. By agreement with the Press, however, it will remain posted on this web site. Many improvements in the current version over previous ones are due to the (anonymous) referees of the Press, whom I wish to thank heartily. I also wish to thank Lauren Cowles, of the New York office of the Press, for

Topics: cambridge improvements paper press version

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How the first electric grid was built

news.ycombinator.com Alex Chalmers 2026-03-20 10:34:03

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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Benzene at 200

news.ycombinator.com Nazario Martín 2026-03-20 11:16:47

In 1825, Michael Faraday discovered one of the most fascinating compounds in chemistry: benzene. While isolating the components of oily residues of illuminating gas, Faraday identified a mysterious liquid, with a peculiar aromatic smell, which would go on to transform the landscape of chemistry. Within the pages of the Philosophical Transactions of the Royal Society of London, Faraday described this seemingly simple yet profoundly unique molecule. What set benzene apart, even in its earliest di

Topics: aromatic benzene carbon chemistry properties

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Glenn Close Is Joining ‘The Hunger Games’

gizmodo.com James Whitbrook 2026-03-20 10:30:28

The latest Hunger Games prequel just keeps finding new faces to add to its cast, and its latest round is a doozy: Glenn Close and Billy Porter will play husband and wife in Sunrise on the Reaping‘s take on the second Quarter Quell. Confirmed by Lionsgate at CinemaCon Europe this morning (via Deadline), Close and Porter will play Drusilla Sickle and Magno Stift, respectively. Sickle is the sinister Capitol escort to the Tributes from District 12 called up for the 50th Hunger Games–including the

Topics: close games hunger latest porter

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

gizmodo.com Margherita Bassi 2026-03-20 11:10:23

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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This Smallest 10,000mAh Portable Charger Is Nearly Free as Amazon Clears Out Its Best-Sellers

gizmodo.com Brittany Vincent 2026-03-20 11:10:47

If you’ve ever watched your phone battery dip into the danger zone right when you needed it most, you know the sinking feeling that comes with being powerless. Portable chargers are more than just handy now. You need them in your bag or with you in your car if you want to get yourself out of a no phone emergency. But not all power banks are created equal. See at Amazon Tons of them are bulky, charge too slowly, or just can’t hold up under repeated use. And some are outdated and unsafe. Fires,

Topics: amazon just phone power want

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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 2026-03-20 11:25:30

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 2026-03-20 11:40:08

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 Passwords Are Lazy and Hackers Love It. CNET Survey Finds 49% of US Adults Have Risky Password Habits

cnet.com See Full Bio 2026-03-20 08:00:00

It feels like I have a password for everything: my bank account, my Amazon Echo Show and even my Netflix app. With so many different devices and accounts, coming up with unique, strong passwords -- and remembering them -- can be overwhelming. It's tempting to get lazy and use the same password for multiple accounts. It's a relatable move, and it's one scammers are counting on. The risks of using old passwords or including personal information in a new one is a big risk to your data and identity

Topics: accounts cnet password passwords using

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

cnet.com James Bricknell 2026-03-20 10:43:00

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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Professional Chefs Beg: Don't Waste Your Money on These 20 Overrated Kitchen Tools

cnet.com See Full Bio 2026-03-20 11:38:00

Professional chefs understand the value of kitchen real estate like New Yorkers understand rent -- every square inch better be pulling its weight. Walk through the swinging doors of most restaurant kitchens and you won't likely spot an avocado slicer or dedicated egg cooker lying around. Nope, every tool has a job, and if it doesn't earn its keep, it's out the door faster than last week's unsold seafood. That's why chefs are the ultimate authority on which kitchen gadgets should get the boot --

Topics: chef instead kitchen knife try

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The Trump Mobile T1 Phone looks both bad and impossible

theverge.com David Pierce 2026-03-20 11:01:19

Here is a roughly complete list of all the things we know for sure about the first phone made for the new Trump Mobile wireless provider: it’s called the T1 Phone 8002 (gold version). It costs $499, and you can reserve one now with a $100 down payment. It is, according to the website, coming in September. That’s about all I feel confident saying. Beyond that, all we have is a website that was clearly put together quickly and somewhat sloppily, a promise that the phone is “designed and built in

Topics: android mobile phone t1 trump

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

theverge.com Tom Warren 2026-03-20 11:05:07

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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A handy charger for every Switch Joy-Con you own is just $20

theverge.com Cameron Faulkner 2026-03-20 11:16:43

Theis the company’s budget gaming laptop lineup, and it’s usually a great model to look for a deal on. There are numerous configurations, and at least one of them is usually selling at a steep discount. Today’s pick is at Best Buy on a 15.6-inch model that has a 144Hz 1080p screen, AMD’s Ryzen 7 7445HS processor, 16GB of DDR5 RAM, an Nvidia RTX 4050 graphics chip, and a 512GB SSD. Originally $899.99, this laptop is $699.99 right now. That’s a great price for a first gaming laptop. If either the

Topics: 99 gaming great laptop model

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

techcrunch.com Zack Whittaker 2026-03-20 11:15:49

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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AMD unveils 2nm Epyc Venice with 256 cores for next-gen AI and cloud workloads

techspot.com Skye Jacobs 2026-03-20 15:31:00

What just happened? AMD is preparing to shake up the data center landscape with its forthcoming Epyc Venice processor, a chip that promises to set new standards for performance and scalability in server computing. Announced at the company's recent Advancing AI event, the Venice CPU is built on AMD's next-generation Zen 6 architecture and is slated for release in 2026, targeting the ever-increasing demands of artificial intelligence, cloud computing, and high-performance analytics. Venice makes

Topics: amd cores memory performance venice

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German government moves closer to ditching Microsoft: "We're done with Teams!"

techspot.com Rob Thubron 2026-03-20 15:07:00

Serving tech enthusiasts for over 25 years.TechSpot means tech analysis and advice you can trust In brief: The long-running battle of Germany's northernmost state, Schleswig-Holstein, to make a complete switch from Microsoft software to open-source alternatives looks close to an end. Many government operatives will permanently wave goodbye to the likes of Teams, Word, Excel, and Outlook in the next three months in a move to ensure independence, sustainability, and security. Plans to go open-so

Topics: libreoffice microsoft open source state

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From Hello Barbie to ChatGPT: Mattel is bringing OpenAI's tech to children's toys

techspot.com Alfonso Maruccia 2026-03-20 15:49:00

Not the Children: Life in plastic may be fantastic, but a touch of AI and chatbots can make even a child's toy better in today's market. Mattel seems convinced it can bring language models to a wider – and younger – audience, though its previous attempts with AI ended in an absolute privacy and security disaster. Mattel recently announced a new partnership with OpenAI, anticipating a major infusion of AI and chatbot services into its upcoming products. The world's second-largest toy maker (afte

Topics: ai barbie mattel openai partnership

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Sam Altman Says "Significant Fraction" of Earth's Total Electricity Should Go to Running AI

futurism.com Unknown 2026-03-20 15:07:03

During a recent public appearance, OpenAI CEO Sam Altman admitted that he wants a large chunk of the world's power grid to help him run artificial intelligence models. As Laptop Mag flagged, he dropped that bomb dropped during AMD's AI conference last week after Lisa Su, the CEO of the hosting firm who counts Altman as a client and friend, mentioned ChatGPT's recent outages. Though OpenAI hasn't revealed the exact causes of its massive June outage, there's a good chance it had to do with runni

Topics: ai altman ceo energy power

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Stray Kite Studios poised for Wartorn early access release on June 17

venturebeat.com Dean Takahashi 2026-03-20 15:00:00

Stray Kite Studios is launching its Wartorn game into early access on Steam and the Epic Games Store tomorrow on June 17. The real-time tactics title will be available for $29.99. There will also be a special launch week discount where the game can be purchased for $19.99. Wartorn’s development is led by Creative Director Paul Hellquist (lead designer on BioShock and creative director on Borderlands 2), who brings his exceptional expertise into crafting a fresh new take on tactical gaming. Pla

Topics: based bioshock game players wartorn

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Packed with seven drivers, you’ll enjoy a seamless audio experience with the Kiwi Ears Septet

androidauthority.com Unknown 2026-03-20 15:01:52

Finding high-quality audio can be quite a challenge. Even though wireless earphones are super popular, true audiophiles still prefer wired options for the best sound experience. This is especially true if you’re a musician or a sound engineer, as precision and quality are key. There are differences even then. While you can find many good in-ear monitors, the top-rated ones can often come with a hefty price tag, making them less accessible for the average consumer. That’s the challenge that Kiwi

Topics: audio drivers ears kiwi septet

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viaim RecDot AI earbuds now on Amazon — with more smart meeting tools to come

androidauthority.com Unknown 2026-03-20 15:05:46

AI is everywhere. And while the goal is to help people work smarter and more efficiently, it’s not the most easily accessible. Different tools perform different tasks, so you’re either struggling to find the best option or stuck footing a hefty bill for various services. What if there was a device that could take your work efficiency to the next level, making attending virtual meetings a breeze, and you could carry it around in your pocket? That’s exactly what you get with the viaim Recdot AI e

Topics: ai meeting meetings recdot viaim

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Now it’s easier than ever to download Spotify playlists to your Apple Watch

9to5mac.com Ben Lovejoy 2026-03-20 15:19:00

If you’ve ever forgotten to download Spotify playlists to your Apple Watch before a walk, run, or cycle ride, a new feature should make life much easier. Instead of having to manually download to the Watch, you can use any Apple device to queue up playlist downloads, which will happen the next time you open Spotify on your Watch. The same feature also allows you to queue downloads for any other Apple device, like an iPad … Spotify lets you download playlists to up to five devices at a time, bu

Topics: devices download downloads feature watch

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Apple Music chief says ‘music is art’, describes Spotify free tier as terrible mistake for the industry

9to5mac.com Benjamin Mayo 2026-03-20 15:56:22

Apple vice president Oliver Schusser, who leads Apple Music, TV+ and Apple’s sport content initiatives, made some grandiose comments last week in a sit-down interview with the president of the National Music Publishers’ Association, David Israelite. You can watch the conversation in full here. Most notably, Schusser is asked what he would change about the music industry if he could do it all over again. He replies, “I think it’s crazy that 20 years in, we still offer music for free. It’s a terr

Topics: apple free music schusser service

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

engadget.com Unknown 2026-03-20 15:15:24

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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The OnePlus Nord 5 features a powerful Snapdragon 8 chip

engadget.com Unknown 2026-03-20 15:32:21

OnePlus just announced the Nord 5 smartphone, a refresh of its popular mid-range handset line. This one includes a flagship Snapdragon 8S Gen 3 chipset by Qualcomm, which should provide plenty of raw power for gaming, multitasking and general use. There's an upgraded cooling system here, along with support for LPDDR5X RAM. It features a dual rear camera system and will be available in a pale blue finish that's officially called "Dry Ice." The company says the upgraded specs allow the Nord 5 to

Topics: announced company nord oneplus support

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Zoomcar discloses security breach impacting 8.4 million users

bleepingcomputer.com Unknown 2026-03-20 15:13:18

Zoomcar Holdings (Zoomcar) has disclosed that unauthorized accessed its system led to a data breach impacting 8.4 million users. The incident was detected on June 9, after a threat actor emailed company employees alerting them of a cyberattack. Although there has been no material disruption to services, the company’s internal investigation confirmed that sensitive data belonging to a subset of its customers has been compromised. Zoomcar is an Indian peer-to-peer car-sharing marketplace that c

Topics: company data incident unauthorized zoomcar

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You can turn your Google Search into a podcast now - here's how

zdnet.com Artie Beaty 2026-03-20 15:10:02

Google / Elyse Betters Picaro / ZDNET Last fall, Google unveiled a new feature for NotebookLM -- an option to turn your research into a fake podcast that helps you easily digest information. Now, your favorite faux podcast hosts are coming to Search. Also: How to remove your personal info from Google Search - it's quick and easy When you search for something in Google, you'll now see an option to make a podcast summarizing the information. It's for more in-depth queries, not straightforward

Topics: feature google ll podcast search

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This 5-in-1 travel charger is the only one I'll need this summer (and it's full of power)

zdnet.com Kayla Solino 2026-03-20 15:24:24

ZDNET's key takeaways The Statik 5–in-1 SmartCharge is a 10,000mAh capacity power bank and charger that sells for $70. It comes with built-in cables and multiple plug adapters (EU, UK, AU) for seamless charging around the globe in more than 200 countries. It's a great multifunctional charger, but I wish it had a dedicated MagSafe charger for Apple Watch. $69.99 at Amazon $59.99 at Target more buying choices I test MagSafe accessories and chargers all year round, but there's no better time to

Topics: built charger charging magsafe statik

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Latest Tech News

Quantum mechanics provide truly random numbers on demand

Mathematical Illustrations: A Manual of Geometry and PostScript

How the first electric grid was built

Benzene at 200

Glenn Close Is Joining ‘The Hunger Games’

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

This Smallest 10,000mAh Portable Charger Is Nearly Free as Amazon Clears Out Its Best-Sellers

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 Passwords Are Lazy and Hackers Love It. CNET Survey Finds 49% of US Adults Have Risky Password Habits

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

Professional Chefs Beg: Don't Waste Your Money on These 20 Overrated Kitchen Tools

The Trump Mobile T1 Phone looks both bad and impossible

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

A handy charger for every Switch Joy-Con you own is just $20

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

AMD unveils 2nm Epyc Venice with 256 cores for next-gen AI and cloud workloads

German government moves closer to ditching Microsoft: "We're done with Teams!"

From Hello Barbie to ChatGPT: Mattel is bringing OpenAI's tech to children's toys

Sam Altman Says "Significant Fraction" of Earth's Total Electricity Should Go to Running AI

Stray Kite Studios poised for Wartorn early access release on June 17

Packed with seven drivers, you’ll enjoy a seamless audio experience with the Kiwi Ears Septet

viaim RecDot AI earbuds now on Amazon — with more smart meeting tools to come

Now it’s easier than ever to download Spotify playlists to your Apple Watch

Apple Music chief says ‘music is art’, describes Spotify free tier as terrible mistake for the industry

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

The OnePlus Nord 5 features a powerful Snapdragon 8 chip

Zoomcar discloses security breach impacting 8.4 million users

You can turn your Google Search into a podcast now - here's how

This 5-in-1 travel charger is the only one I'll need this summer (and it's full of power)

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