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Peeling the Covers Off Germany's Exascale "Jupiter" Supercomputer

The newest of the exascale-class supercomputer to be profiled in the Top500 rankings in the June list is the long-awaited “Jupiter” system at Forschungszentrum Jülich facility in Germany. We finally have a sense of how this hybrid CPU-GPU machine will perform, although some of the details on its configuration are still not nailed down publicly. Jupiter is the first exascale system to be completed under the EuroHPC Joint Undertaking of the European Union, and the fact that it is not using a cust

Topics: gb gpu grace jupiter sec

Infinite Grid of Resistors

Infinite Grid of Resistors Remain, remain thou here, While sense can keep it on. And, sweetest, fairest, As I my poor self did exchange for you, To your so infinite loss, so in our trifles I still win of you: for my sake wear this... Shakespeare There is a well-known puzzle based on the premise of an “infinite” grid of resistors connecting adjacent nodes of a square lattice. A small portion of such a grid is illustrated below. Between every pair of adjacent nodes is a resistance R, and w

Today's NYT Connections Hints, Answers and Help for June 15, #735

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle has one mention of Father's Day to mark the holiday. It's not super tough -- maybe race Dad to see who can complete it fastest. Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for Wordle.

Today's NYT Connections: Sports Edition Hints and Answers for June 15, #265

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition might be tough. Read on for hints and the answers. Connections: Sports Edition is out of beta now, making its debut on Super Bowl Sunday, Feb. 9. That's a sign that the game has earned enough loyal players that The Athletic, the subscription-based sports jo

Best Kamado Grill for 2025

Testing kamado grills is an intense experience for a griller. It requires playing with fire (literally) and high temperatures, although in a controlled, responsible way. The most critical element to kamado's performance is heat, specifically temperature control and how well a grill holds to one temperature. To smoke meat low and slow, that magic number is 225℉. Good smokers, kamados or otherwise, will stick to this temp for as long as 12, 15 or 20 hours. This means the temperature gauge is key a

Apple will repair some Mac minis powered by M2 chips for free

If you have a new-ish Mac mini that has recently conked out, you are not alone. Apple has just launched a worldwide service program for the 2023 Mac mini with M2 chips, because "a very small percentage" of them are having power issues and may no longer turn on. The company didn't say what was causing those power issues. While Mac minis powered by M2 chips were first released in 2023, the affected units were made between June 16, 2024 to November 23, 2024. Some of those computers may be nearing t

Mollusk shell assemblages as a tool for identifying unaltered seagrass beds

Albano PG, Filippova N, Steger J, Kaufman DS, Tomašových A, Stachowitsch M, Zuschin M (2016) Oil platforms in the Persian (Arabian) Gulf: living and death assemblages reveal no effects. Cont Shelf Res 121:21-34 Crossref Albano PG, Hua Q, Kaufman DS, Zuschin M (2023) Young death assemblages with limited time-averaging in rocky and Posidonia oceanica habitats in the Mediterranean Sea. Geol Soc Lond Spec Publ 529:41-48 Crossref Anderson LC, Long-Fox BL, Paterson AT, Engel AS (2022) Live and live-

Model Once, Represent Everywhere: UDA (Unified Data Architecture) at Netflix

Model Once, Represent Everywhere: UDA (Unified Data Architecture) at Netflix Netflix Technology Blog Follow 15 min read · 2 days ago 2 days ago -- 8 Listen Share By Alex Hutter, Alexandre Bertails, Claire Wang, Haoyuan He, Kishore Banala, Peter Royal, Shervin Afshar As Netflix’s offerings grow — across films, series, games, live events, and ads — so does the complexity of the systems that support it. Core business concepts like ‘actor’ or ‘movie’ are modeled in many places: in our Enterprise G

I Asked AI to Write a Protest Chant. What I Got Back Was Surprisingly Subversive

[If you want to see how AI handled generating Pro-ICE chants, you can check it out here.] I wanted to know what kind of activist a chatbot could be. More than two years and a half after ChatGPT stunned the world and kicked off the current AI arms race, I posed a simple question to the five most prominent AI systems on the U.S. market: OpenAI’s ChatGPT, Google’s Gemini, Anthropic’s Claude, Elon Musk’s Grok (from xAI), and Mark Zuckerberg’s Meta AI. My prompt was direct: “I want to write a pro

Topics: ai chants grok ice raids

Neanderthals Spread Across Asia With Surprising Speed—and Now We Know How

Neanderthals and modern humans split from a common ancestor around 500,000 years ago, with Neanderthals leaving Africa for Europe and Asia long before modern humans joined them hundreds of thousands of years later. There, Neanderthals dispersed as far as Spain and Siberia. Our prehistoric cousins likely first reached Asia around 190,000 to 130,000 years ago, with another substantial migration to Central and Eastern Eurasia likely between 120,000 and 60,000 years ago. But how did they get there?

The 5 Best Griddles and Flat-Top Grills of 2025, Tested and Reviewed

Photograph: Matthew Korfhage Griddle seasoning is, quite simply, protection for your griddle. When a thin layer of oil is heated above its smoke point and allowed to cook off atop the griddle and then cool, it forms a polymer that protects the top of the griddle and leads to better cooks. (Some think that griddle seasoning is to help food not stick to the metal. It may or may not add some nonstick properties, but the main purpose is to protect the griddle against rust and other wear.) For the

Saab achieves AI milestone with Gripen E

Saab, in collaboration with Helsing, today announced the successful completion of the first three flights integrating Helsing’s Artificial Intelligence (AI) agent ‘Centaur’ into a Gripen E fighter jet. As part of Saab’s ‘Project Beyond’, the flights, where the first flight, was conducted on May 28, mark a significant advance in bringing AI capabilities to military aircraft. It is also yet another proof point of Gripen E´s unparalleled ability to rapidly update software without disregarding safet

Air Conditioners Can Actually Support the Power Grid. Here’s How

As summer arrives, people are turning on air conditioners in most of the U.S. But if you’re like me, you always feel a little guilty about that. Past generations managed without air conditioning – do I really need it? And how bad is it to use all this electricity for cooling in a warming world? If I leave my air conditioner off, I get too hot. But if everyone turns on their air conditioner at the same time, electricity demand spikes, which can force power grid operators to activate some of the

Apple launches Service Program for M2 Mac mini power issues

Apple has launched a new Service Program today for a “No Power Issue” affecting a small number of M2 Mac mini users. Affected users are eligible to have their Mac mini repaired at no charge. Apple says that the problem impacts a “very small percentage” of M2 Mac mini units that were manufactured between June and November 2024. The company explains: Apple has determined that a very small percentage of Mac mini (2023) devices with the M2 chip may no longer power on. Affected devices were manufa

Today's NYT Connections: Sports Edition Hints and Answers for June 14, #264

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition has a whopper of a purple category, but since the other three categories aren't that tough, it kind of fills itself in. Read on for hints and the answers. Connections: Sports Edition is out of beta now, making its debut on Super Bowl Sunday, Feb. 9. That's

Today's NYT Connections Hints, Answers and Help for June 14, #734

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Dog-lovers, today's NYT Connections puzzle is barking out your name. Two dog-related categories should make it easy for fans of our furry friends. Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for Wordle. Go there aft

Using computers more freely and safely (2023)

How can we use computers more freely and safely? the punchline Prefer software: with thousands rather than millions of users that seldom requires updates that spawns lots of forks that is easy to modify that you can modify These are my suggestions. Prefer software with thousands rather than millions of users, that doesn't change often, that seems to get forked a lot, that can be modified without specialized tools, and, ideally that you can make small changes to. Yourself. In a single af

Best Gas Grills of 2025: We Tested More than 15

How much should you spend on a gas grill? A few of the pricier smart grills had built-in probe systems for precise temperature monitoring. James Bricknell/CNET While knowing what you want in a gas grill is important, knowing what you can spend is the first step when buying a grill. This is because you may want a six-burner grill, with a hot plate on the side, and a searing deck, but if you've only got $350 to spend, you're going to have to make some compromises. Now, there are still plenty of

Embracer CEO Lars Wingefors will step down as CEO; deputy Phil Rogers will take his place

Embracer CEO Lars Wingefors is stepping down as CEO while his deputy CEO Phil Rogers will take over the top job in August. Wingefors spun his Swedish game holding company out of Nordic Games Group in 2016, and he renamed it Embracer Group in 2019. Wingefors was a controversial leader in the game industry, as he built up Embracer Group to more than 100 game studios, only to fall victim in the post-pandemic slowdown. As growth slowed, Wingefors had to lay off a lot of people, sell off studios or

Amazon joins the big nuclear party, buying 1.92 GW for AWS

Amazon tapped into an emerging trend this week, one that’s seeing big tech firms buy power from existing nuclear power plants. The tech company will power a chunk of its AWS cloud and AI servers using 1.92 gigawatts of electricity from Talen Energy’s Susquehanna nuclear power plant in Pennsylvania. Amazon is the latest hyperscaler to go direct to big nuclear operators, following on the heels of Microsoft and Meta. Amazon’s deal was announced Wednesday, but it’s not entirely new, instead modify

When random people give money to random other people (2017)

A post on Decision Science about a problem of Uri Wilensky‘s has been making the rounds: Imagine a room full of 100 people with 100 dollars each. With every tick of the clock, every person with money gives a dollar to one randomly chosen other person. After some time progresses, how will the money be distributed? People often expect the distribution to be close to uniform. But this isn’t right; the simulations in the post show clearly that inequality of wealth rapidly appears and then persists

Ask HN: How do I give back to people helped me when I was young and had nothing?

Throughout my career, I've received incredible kindness and inspiration from experienced people - professors, and strangers who invested time in me when I feel like I had little to offer in return. While I always express gratitude and try to pay it forward, I often feel there's still an imbalance. I feel like I owe something more direct to the specific people who shaped my life. How do you meaningfully give back to people who helped you early on (when you literally have nothing...haha)? What fo

Alaska Just Issued Its First-Ever Heat Advisory—and It Won’t Be the Last

The National Weather Service (NWS) office in Fairbanks, Alaska, issued a heat advisory on Thursday, June 12. It’s never had to do that before. Heat advisories are new to both the Fairbanks and Juneau NWS offices, which implemented the use of these notices on June 2. Until now, Alaska weather officials exclusively issued Special Weather Statements to notify the public of potentially hazardous heat. The change comes as Alaska continues to warm at nearly twice the rate of the lower 48 states, with

Shooting the Moon: Art of Lunar Photography (2023)

The popularity of shooting the moon remains as strong as ever. Whatever the current phase of the moon, it is an impressive object to photograph. In my own journey into astrophotography, I have taken many pictures of the moon with a camera or a through a telescope. It is an easy target, so beginners can capture it without the use of tracking. I will explain how to begin shooting the moon so that you get amazing pictures of your own. So, grab your camera, step into the realm of lunar photography,

Trump’s Cuts Threaten Nobel-Winning Observatory That Detected Colliding Black Holes

Nearly 10 years ago, scientists observed ripples in spacetime created by the collision of two black holes that took place 1.3 billion years ago. The first direct detection of gravitational waves opened up an entirely new way of seeing the universe, allowing us to observe a once invisible side of the cosmos. Today, the ability to track the frequencies produced by the most notable events that shape our surrounding cosmos is at risk due to drastic budget cuts targeting a breakthrough observatory.

Ars Technica’s gift guide for Father’s Day: Give dad some cool things

Greetings Arsians! It's time—at least in some parts of the world—to celebrate dads. Father's Day is nearly here, and as there's a custom of gift-giving, many of us will have to choose something. Below, various Ars editors have identified a few things they've bought recently that they think could be great gifts for dads—with the caveat that there are an indefinably large spectrum of variations of what dads are like. Still, we did our best to include a few things that are pretty general, and a few

Top KitchenAid Promo Codes and Coupons

KitchenAid’s strategy is one that maybe we should all live by—if it ain’t broke, don’t fix it. Remaining nearly unchanged since its introduction in 1914, KitchenAid’s stand mixer has become such a legendary kitchen staple that we called the KitchenAid Artisan 7-Quart Lift Stand Mixer an “everlasting” kitchen must-have and put it on our Buy It For Life guide. KitchenAid’s heralded and beloved kitchen appliances luckily run regular sales so that you can get these great, but pricey, essentials for

SAG-AFTRA board approves agreement with game companies on AI and new contract

The Screen Actors Guild-American Federation of Television and Radio Artists (SAG-AFTRA) National Board approved the tentative agreement with the video game bargaining group. The contract on terms for the Interactive Media Agreement will now be submitted to the membership for ratification. The new contract accomplishes important guardrails and gains around AI, including the requirement of informed consent across various AI uses and the ability for performers to suspend informed consent for Digi

Today's NYT Connections: Sports Edition Hints and Answers for June 13, #263

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition has a tough purple category, but what else is new? If you're not familiar with a certain basketball player's life story, the blue group could also be tricky. Read on for hints and the answers. Connections: Sports Edition is out of beta now, making its debut

Instagram May Soon Let You Rearrange Your Grid. What to Know

If you like to keep your Instagram profile as more of a personal photo album and less of a public bulletin board, Instagram's upcoming feature is for you. Instagram will let users quietly post to your profile without broadcasting it to your followers, the company said on Thursday. Instagram also said it would let you rearrange your profile grid. It's not clear how either feature will work yet. Static posts and Reels have historically appeared in chronological order on Instagram, so this could o