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Running a million-board chess MMO in a single process

news.ycombinator.com Unknown 2026-01-17 15:56:24

Running a million-board chess MMO in a single process How One Million Chessboards works Jun 24, 2025 One Million Chessboards is a 1000x1000 grid of chess boards. Moving a piece moves it for everyone, instantly. There are no turns, and pieces can move between boards. Loading... making some moves In the 10 days after launch, over 150,000 players made over 15,000,000 moves and hundreds of millions of queries. The game runs out of a single process that I didn’t touch over those 10 days 1. 1 Once

Topics: client million moves piece pieces

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My Family and the Flood

news.ycombinator.com Aaron Parsley 2026-01-22 02:07:47

Rosemary, the four-year-old, woke up first. She told my brother-in-law, Lance, that there was something on the roof. Seven of us were at my family’s river house on the Guadalupe, between Ingram and Hunt, for the Fourth. Our little stretch of river is wide, green, cool, deep, and slow. It is some of the best swimming anywhere and one of the most beautiful spots in Texas, as far as I’m concerned. I’ve spent many peaceful afternoons there, floating and staring up at the cypress trees that tower ov

Topics: house patrick river rosemary water

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US Government announces $200M Grok contract a week after 'MechaHitler'

news.ycombinator.com Lauren Feiner 2026-01-22 12:29:16

A week after Elon Musk’s Grok dubbed itself “MechaHitler” and spewed antisemitic stereotypes, the US government has announced a new contract granting the chatbot’s creator, xAI, up to $200 million to modernize the Defense Department. xAI is one of several leading AI companies to receive the award, alongside Anthropic, Google, and OpenAI. But the timing of the announcement is striking given Grok’s recent high-profile spiral, which drew congressional ire and public pushback. The use of technology

Topics: ai contract government musk xai

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Chinese firms rush for Nvidia chips as US prepares to lift ban

arstechnica.com Unknown 2026-01-22 11:49:04

Chinese firms have begun rushing to order Nvidia's H20 AI chips as the company plans to resume sales to mainland China, Reuters reports. The chip giant expects to receive US government licenses soon so that it can restart shipments of the restricted processors just days after CEO Jensen Huang met with President Donald Trump, potentially generating $15 billion to $20 billion in additional revenue this year. Nvidia said in a statement that it is filing applications with the US government to resum

Topics: ai china government h20 nvidia

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Seagate’s massive, 30TB, $600 hard drives are now available for anyone to buy

arstechnica.com Unknown 2026-01-22 12:44:05

The drives are based on Seagate's Mosaic 3+ platform, which "incorporates Seagate’s unique implementation of HAMR to deliver mass-capacity storage at unprecedented areal densities of 3TB per disk and beyond." Seagate's press release is focused mostly on the large drives' suitability for AI-related data storage—"AI" is mentioned in the body text 21 times, and it's not a long release. But obviously, they'll be useful for any kind of storage where you need as many TB as possible to fit into as sma

Topics: data drives hamr seagate storage

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The Skylight Calendar is perfect for busy families, and easy enough for kids to use

zdnet.com Maria Diaz 2026-01-22 17:52:20

ZDNET's key takeaways The 15-inch Skylight Calendar is a smart display for $320, with a 10-inch version available for $160. It's a touchscreen calendar designed with busy lifestyles in mind that allows for shared use within a household or team. Though it's proven indispensable for my family, I wish the chores, not just the events, were visible in the calendar view, and the 15-inch version is expensive at $320. $319.99 at Amazon Getting organized is a never-ending battle for me. As a self-proc

Topics: calendar events like new skylight

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Underwriting Superintelligence

news.ycombinator.com Unknown 2026-01-22 16:13:42

Insurance Unlocks Secure AI Progress We’re navigating a tightrope as Superintelligence nears. If the West slows down unilaterally, China could dominate the 21st century. If we accelerate recklessly, accidents will halt progress, as with nuclear power. Insurance, standards, and audits together create skin in the game for quantifying, communicating, and reducing AI risks so we can balance this tightrope. We call this the “Incentive Flywheel.” Benjamin Franklin first discovered the Incentive Fly

Topics: ai flywheel incentive insurance progress

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Nvidia to resume China AI chip sales after Huang meets Trump

arstechnica.com Unknown 2026-01-22 17:49:04

Chinese firms have begun rushing to order Nvidia's H20 AI chips as the company plans to resume sales to mainland China, Reuters reports. The chip giant expects to receive US government licenses soon so that it can restart shipments of the restricted processors just days after CEO Jensen Huang met with President Donald Trump, potentially generating $15 billion to $20 billion in additional revenue this year. Nvidia said in a statement that it is filing applications with the US government to resum

Topics: ai china government h20 nvidia

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Trump announces billions in investments to make Pennsylvania an AI hub

theverge.com Jay Peters 2026-01-22 17:46:41

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. President Donald Trump helped announce more than $90 billion in investments in AI and energy at an event in Pennsylvania on Tuesday. Among those investments include some multi-billion dollar commitments from Google. The company is planning to invest $25 billion to build data centers and AI infrastructure for the electric grid in the PJM region, according to remarks from presi

Topics: billion energy gas invest pennsylvania

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Uber and Baidu are teaming up to deploy thousands of autonomous vehicles globally

engadget.com Unknown 2026-01-22 22:01:09

This will be happening in China and other "markets outside of the US." Uber and China-based Baidu are teaming up to deploy more autonomous vehicles throughout the world. The companies plan on bringing thousands of Baidu's Apollo Go vehicles to various regions that will be accessible via the Uber platform, including mainland China and other "global markets outside of the US." The first joint deployments are expected in Asia and the Middle East later this year. Once launched, Uber riders could b

Topics: autonomous baidu cities uber vehicles

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Webb spots 'Infinity Galaxy' that sheds light on black hole formation

engadget.com Unknown 2026-01-23 03:39:00

Discoveries keep pouring out of the James Webb Space Telescope (JWST). Researchers observed an unusual cluster, which they dubbed the Infinity Galaxy. It appears to support a leading theory on how some supermassive black holes form. Although "Infinity Galaxy" sounds like a place Thanos would hang out, it merely describes its appearance. Two compact, red nuclei, each surrounded by a ring, give the cluster the shape of an infinity symbol. What's inside is more interesting. (After all, this is a

Topics: black galaxy hole infinity supermassive

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10 tiny tools I carry with me everywhere - how they work

zdnet.com Adrian Kingsley-Hughes 2026-01-23 02:58:00

My keychain essentials. Adrian Kingsley-Hughes/ZDNET I've collected my fair share of multitools and gadgets, but I've lost track of how often I've needed one -- only to realize it's sitting at home or in the car. Carrying a full toolbox everywhere just isn't practical. What I do have with me almost all the time, though, is my keychain -- and it turns out, it's the perfect way to keep essential tools within reach. Also: Are Amazon Basics tools worth it? My verdict after testing the top-sellers

Topics: carry keychain keysmart multitool ve

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AI coding may not be helping as much as you think

news.ycombinator.com Gary Marcus 2026-01-23 03:46:56

A significant fraction of the money that people have paid for Generative AI has been for coding assistance. When I point to the positive uses of Generative AI, I invariably point to how GenAI serves as kind of valuable autocomplete for coding. In that context, a new study from METR, an AI benchmarking nonprofit, is shocking. METR ran a randomized control trial in the first half of this year “to see whether AI tool usage at the February–June 2025 frontier (primarily Cursor Pro) sped-up experien

Topics: ai developers metr time tools

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Google One is getting easier on the eyes with these Expressive changes (APK teardown)

androidauthority.com Unknown 2026-01-23 08:36:12

Joe Maring / Android Authority TL;DR Google is currently in the middle of bringing its Material 3 Expressive design language to its Android apps. Earlier this year we got a preview of how this would impact Google One, looking at the app’s settings screen. We’re now able to see many more Expressive elements throughout the app, but these still aren’t publicly accessible. Halfway through July may not be official the midpoint of summer, but it sure feels like it. While some of us have been enjoy

Topics: android app authority expressive google

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Severance, The Last of Us and Andor just nabbed dozens of Emmy nominations

engadget.com Unknown 2026-01-23 08:46:07

The nominations for the 77th Emmy Awards just dropped and, unsurprisingly, Apple TV+'s Severance led the pack with a whopping 27, including Best Drama. The streamer has another bona-fide hit with the Seth Rogen-led The Studio, which captured 23 nominations. However, HBO Max received the most kudos by platform, with 142 nominations in total. This is thanks to the second season of The Last of Us , with 16 nominations, and the Batman-adjacent The Penguin. The White Lotus, The Pitt and Hacks also g

Topics: andor awards best nominations received

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4 ways Google Wallet can make your life easier (and more organized)

zdnet.com Jack Wallen 2026-01-23 08:42:00

NurPhoto / Getty Images Imagine this: You're on vacation and you're asked for a ticket, a card, or some other form of identification. You rifle through your purse or wallet to find it, only to realize you're holding up the line. Suddenly, a group of angry travelers is getting frustrated -- and that frustration is aimed squarely at you. The more frustrated you get, the less likely you are to find what you're looking for. The struggle only worsens, and you end up looking like you have no idea wh

Topics: cards google ll save wallet

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Nearly 3 out of 4 Oracle Java users say they've been audited in the past 3 years

news.ycombinator.com Lindsay Clark 2026-01-23 08:00:23

A survey of 500 IT asset managers in organizations that use Oracle Java has found that 73 percent have been audited in the last three years. Deal to 'save' UK colleges £45M in Oracle Java licensing fees followed audit requests READ MORE At the same time, nearly eight out of 10 Oracle Java users said they had migrated, or planned to shift, to open source Java to try to avoid the risk and high costs of the dominant vendor's development and runtime environments. Oracle introduced a paid subscrip

Topics: java oracle percent said survey

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To be a better programmer, write little proofs in your head

news.ycombinator.com Unknown 2026-01-23 08:05:39

This is a brief write-up of a trick I learned that helps me write code faster and more accurately. I say "trick", but it's really something I started to do without noticing as I moved further into my career. When you're working on something difficult, sketch a proof in your head as you go that your code will actually do what you want it to do. A simple idea, but easier said than done: doing this "online" without interrupting your flow takes a lot of practice. But once you get really good at it,

Topics: code fields function query recursive

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Blender 4.5 LTS Released

news.ycombinator.com Blender Foundation 2026-01-23 11:06:44

The final frontier. After years of work, support for the popular backend in Blender is now on par with OpenGL. It’s not enabled by default yet; make it so in the Preferences. Make sure to keep your drivers up to date! Blender works closely with hardware manufacturers to ensure Vulkan performs as good as possible. See the supported platforms and drivers, and the current limitations.

Topics: blender closely current drivers make

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Uber is close to completing its quest to become the ultimate robotaxi app

theverge.com Andrew J. Hawkins 2026-01-23 12:55:18

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. Uber just announced a deal today with the company that runs one of the largest robotaxi fleets in China, as the ridehail giant nears its goal of becoming the world’s ultimate autonomous vehicle clearinghouse. Uber and Baidu said they are teaming up to deploy robotaxis in countries outside the US and China, with an initial

Topics: company said uber vehicles waymo

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Venture gets a rare Native American-led fund in Betsy Fore’s Velveteen Ventures

techcrunch.com Dominic-Madori Davis 2026-01-23 12:00:00

When Betsy Fore was five, her grandmother got her a gift she has never forgotten: A Velveteen Rabbit from Goodwill that Fore believed, with enough love, could spring alive. Decades later, that rabbit has lent its name to Fore’s venture firm, Velveteen Ventures, which came to life on Tuesday. “I realized after building companies for nearly two decades that I could make the greatest ripple in this one precious life by being on the other side of the table,” she told TechCrunch. Her companies inclu

Topics: companies firm fore native ventures

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Shaping the future with adaptive production

technologyreview.com Mit Technology Review Insights 2026-01-23 17:32:33

As efforts to revive and modernize local manufacturing accelerate in regions around the world, including North America and Europe, adaptive production could help manufacturers overcome some of their biggest obstacles—firstly, attracting and retaining talent. Nearly 60% of manufacturers cited this as their top challenge in a 2024 US-based survey. Highly automated, technology-led adaptive production methods hold new promise for attracting talent to roles that are safer, less repetitive, and better

Topics: adaptive content mit production technology

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Fed Up With the Economy? Try Revenge Saving

cnet.com See Full Bio 2026-01-23 14:00:00

If you're frustrated by economic factors you can't control, reclaim your power by saving with a vengeance. Prostock-Studio/Getty Images The economy sucks right now. Tariffs could keep prices high for who knows how long. Every day, my LinkedIn is filled with posts from victims of the latest layoffs. So much of my financial stability feels out of my control. That's why I'm all about a new trend called revenge saving. What is revenge saving? You may be familiar with revenge spending, or splurgi

Topics: account money revenge saving savings

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Coreweave stock pops after company announces $6 billion AI data center in Pennsylvania

cnbc.com Chris Eudaily 2026-01-23 21:56:06

CoreWeave Inc. signage in Times Square in New York, US, on Friday, May 9, 2025. Coreweave stock climbed more than 9% on Tuesday after the company announced a $6 billion artificial intelligence data center project in Pennsylvania. The commitment includes an initial 100 megawatt data center built in Lancaster, a city about 70 miles west of Philadelphia. The data center will be able to expand to 300 MW. "The demand for high-performance AI compute is relentless," said CoreWeave CEO Michael Intrat

Topics: ai built center coreweave data

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Rwazi raises $12M Series A to help companies with consumer insights and intelligence

techcrunch.com Dominic-Madori Davis 2026-01-23 22:30:00

Joseph Rutakanga spent eight years looking for tools to help companies gather consumer insight data. Eventually, he decided to just build them. Now his startup, called Rwazi, has raised a $12 million Series A led by Bonfire Ventures to help companies with market intelligence and consumer insights. He founded the company in 2021 with co-founder Eric Sewankambo. “There was an abundance of consumer and market-level data for places like the U.S., UK, and a few parts of Western Europe, maybe some t

Topics: consumer data rwazi said ventures

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Perplexity offers free AI tools to students worldwide in partnership with SheerID

venturebeat.com Michael Nuñez 2026-01-24 03:00:00

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Perplexity, the AI-powered search engine that competes with Google and ChatGPT, has partnered with identity verification company SheerID to offer up to two years of free premium service to more than 264 million students worldwide, the companies announced Monday. The deal tackles a key challenge for AI companies: providing educational acces

Topics: ai data said sheerid verification

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Five EU countries to test age-check app under new child safety rules

9to5mac.com Marcus Mendes 2026-01-24 03:42:44

France, Spain, Italy, Denmark, and Greece are preparing to test a new age verification system as part of the EU’s push to regulate how children access online content. Here are the details. The pilot program, announced by the European Commission on Monday (via Reuters), is built on the same technical standards as the upcoming European Digital Identity Wallet, which is set to launch across the EU next year. The move comes alongside new EU guidelines aimed at helping platforms comply with the Dig

Topics: age digital eu platforms verification

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US probes imports on drones and a raw material used in chips and solar panels

engadget.com Unknown 2026-01-24 03:15:46

The Department of Commerce has opened national security investigations into imports of drones and polysilicon , a raw material used in chips and solar panels. Among other things, officials are looking into "predatory trade practices" and the capacity of other countries to "weaponize their control over supplies" of drones, drone parts and polysilicon, as well as derivatives of each. The DoC commenced the investigations on July 1, but has only just disclosed them publicly. The probes could lead t

Topics: drones imports investigations percent polysilicon

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6 reasons why I've stuck with Ubuntu-based Linux distros for the last 20 years

zdnet.com Jack Wallen 2026-01-24 03:39:25

Jack Wallen / Elyse Betters Picaro / ZDNET It was October 2004, and I'd been using Red Hat Linux (way before it became Fedora) for years. I was fairly certain that would be my distribution until the world ended. I'd become comfortable with Red Hat. Sure, it had its quirks and was sometimes a bit more difficult than it needed to be (remember, it was over 20 years ago), but it was stable and I'd grown to know it well. But then a new distribution arrived on the scene... Ubuntu. Oddly enough, the

Topics: based distribution linux ubuntu ve

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Windows 11 has a new battery‑saving feature - here's how to try it

zdnet.com Lance Whitney 2026-01-24 03:55:00

Maria Korneeva / Getty Images Running low on battery juice is one of the most frustrating problems on a Windows laptop. To combat this, Microsoft offers an Energy Saver mode that tries to keep the charge alive. But that option dims your screen, making it more difficult to see, especially in low-light conditions. Now Microsoft has a new trick up its sleeve that aims to preserve your battery without affecting your screen brightness. Introducing Adaptive Energy Saver Currently rolling out as a p

Topics: 11 energy microsoft saver windows

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Latest Tech News

Running a million-board chess MMO in a single process

My Family and the Flood

US Government announces $200M Grok contract a week after 'MechaHitler'

Chinese firms rush for Nvidia chips as US prepares to lift ban

Seagate’s massive, 30TB, $600 hard drives are now available for anyone to buy

The Skylight Calendar is perfect for busy families, and easy enough for kids to use

Underwriting Superintelligence

Nvidia to resume China AI chip sales after Huang meets Trump

Trump announces billions in investments to make Pennsylvania an AI hub

Uber and Baidu are teaming up to deploy thousands of autonomous vehicles globally

Webb spots 'Infinity Galaxy' that sheds light on black hole formation

10 tiny tools I carry with me everywhere - how they work

AI coding may not be helping as much as you think

Google One is getting easier on the eyes with these Expressive changes (APK teardown)

Severance, The Last of Us and Andor just nabbed dozens of Emmy nominations

4 ways Google Wallet can make your life easier (and more organized)

Nearly 3 out of 4 Oracle Java users say they've been audited in the past 3 years

To be a better programmer, write little proofs in your head

Blender 4.5 LTS Released

Uber is close to completing its quest to become the ultimate robotaxi app

Venture gets a rare Native American-led fund in Betsy Fore’s Velveteen Ventures

Shaping the future with adaptive production

Fed Up With the Economy? Try Revenge Saving

Coreweave stock pops after company announces $6 billion AI data center in Pennsylvania

Rwazi raises $12M Series A to help companies with consumer insights and intelligence

Perplexity offers free AI tools to students worldwide in partnership with SheerID

Five EU countries to test age-check app under new child safety rules

US probes imports on drones and a raw material used in chips and solar panels

6 reasons why I've stuck with Ubuntu-based Linux distros for the last 20 years

Windows 11 has a new battery‑saving feature - here's how to try it

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