Technology News

National Security Advisor Michael Waltz and a senior aide used personal Gmail accounts for government communications, according to a Washington Post report published yesterday.

Waltz has been at the center of controversy for weeks because he inadvertently invited The Atlantic Editor-in-Chief Jeffrey Goldberg to a Signal chat in which top Trump administration officials discussed a plan for bombing Houthi targets in Yemen. Yesterday's report of Gmail use and another recent report on additional Signal chats raise more questions about the security of sensitive government communications in the Trump administration.

A senior Waltz aide used Gmail "for highly technical conversations with colleagues at other government agencies involving sensitive military positions and powerful weapons systems relating to an ongoing conflict," The Washington Post wrote.

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A lawyer for Xiaofeng Wang and his wife says they are “safe” after FBI searches of their homes and Wang’s sudden dismissal from Indiana University, where he taught for over 20 years.

On Tuesday, the Wikimedia Foundation announced that relentless AI scraping is putting strain on Wikipedia's servers. Automated bots seeking AI model training data for LLMs have been vacuuming up terabytes of data, growing the foundation's bandwidth used for downloading multimedia content by 50 percent since January 2024. It’s a scenario familiar across the free and open source software (FOSS) community, as we've previously detailed.

The Foundation hosts not only Wikipedia but also platforms like Wikimedia Commons, which offers 144 million media files under open licenses. For decades, this content has powered everything from search results to school projects. But since early 2024, AI companies have dramatically increased automated scraping through direct crawling, APIs, and bulk downloads to feed their hungry AI models. This exponential growth in non-human traffic has imposed steep technical and financial costs—often without the attribution that helps sustain Wikimedia’s volunteer ecosystem.

The impact isn’t theoretical. The foundation says that when former US President Jimmy Carter died in December 2024, his Wikipedia page predictably drew millions of views. But the real stress came when users simultaneously streamed a 1.5-hour video of a 1980 debate from Wikimedia Commons. The surge doubled Wikimedia’s normal network traffic, temporarily maxing out several of its Internet connections. Wikimedia engineers quickly rerouted traffic to reduce congestion, but the event revealed a deeper problem: The baseline bandwidth had already been consumed largely by bots scraping media at scale.

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A SpaceX and X engineer, Christopher Stanley—currently serving as a senior advisor in the Deputy Attorney General's office at the Department of Justice (DOJ)—was reportedly caught bragging about hacking and distributing pirated e-books, bootleg software, and game cheats.

The boasts appeared on archived versions of websites, of which several, once flagged, were quickly deleted, Reuters reported.

Stanley was assigned to the DOJ by Elon Musk's Department of Government Efficiency (DOGE). While Musk claims that DOGE operates transparently, not much is known about who the staffers are or what their government roles entail. It remains unclear what Stanley does at DOJ, but Reuters noted that the Deputy Attorney General’s office is in charge of investigations into various crimes, "including hacking and other malicious cyber activity." Declining to comment further, the DOJ did confirm that as a "special government employee," like Musk, Stanley does not draw a government salary.

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On Wednesday, a team of researchers from China used a paper published in Nature to describe a 32-bit RISC-V processor built using molybdenum disulfide instead of silicon as the semiconductor. For those not up on their chemistry, molybdenum disulfide is a bit like graphene: a single molecule of MoS2 is a sheet that is only a bit over a single atom thick, due to the angles between its chemical bonds. But unlike graphene, molybdenum disulfide is a semiconductor.

The material has been used in a variety of demonstration electronics, including flash storage and image sensors. But we've recently figured out how to generate wafer-scale sheets of MoS2 on a sapphire substrate, and the team took advantage of that to build the processor, which they call RV32-WUJI. It can only add single bits at a time and is limited to kilohertz clock speeds, but it is capable of executing the full RISC-V 32-bit instruction set thanks to nearly 6,000 individual transistors.

Going flat

We've identified a wide range of what are termed 2D materials. These all form repeated chemical bonds in more or less a single plane. In the case of graphene, which consists only of carbon, the bonds are all in the same plane, meaning the molecule is as thick as a carbon atom. Molybdenum disulfide is slightly different, as the angle of the chemical bonds is out of plane, resulting in a zig-zag pattern. This means the sheet is slightly thicker than its component atoms.

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We've known for a few months now that the Nintendo Switch 2 will support backward compatibility for older Nintendo Switch games, and as of today's presentation, we also know that some Switch games will get special Switch 2 Editions that add new features and support higher resolutions and other features.

Nintendo's product pages for the Switch add more details, including the status of backward-compatibility testing for original Switch games and a small handful of first-party Switch games that will get "free updates" to enhance them for Switch 2.

First, some good news. There will be a second tier of updates for original Switch games that Nintendo says "may improve performance or add support for features such as GameShare in select games." These won't include the extra features or higher resolutions of Switch 2 Edition games, but they'll be available for free, and they ought to improve playability. Nintendo lists a dozen first-party Switch games that will benefit from free Switch 2 updates:

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The 2025 Coachella music festival will once again be livestreamed exclusively on YouTube, starting Friday, April 11th at 4 PM PT/7 PM ET. The livestream will include six…

Actor Val Kilmer—star of Top Gun, The Doors, and Batman Forever, among other roles—has died at the age of 65 of pneumonia, Deadline Hollywood reports.

Kilmer was diagnosed with throat cancer in 2015 and while chemotherapy and two tracheotomies helped him defeat it, the procedures destroyed his voice. He spoke in a rasp or used an electric voice box for the remainder of his life and largely left acting. (He made a brief cameo in 2022's Top Gun: Maverick, for which his voice was digitally altered.) The 2021 documentary Val, narrated by his son Jack Kilmer, followed his life and health struggles.

Kilmer had a reputation for being eccentric and difficult to work with, but he also had his champions, and his talent was undeniable. “While working with Val on Heat, I always marveled at the range, the brilliant variability within the powerful current of Val’s possessing and expressing character," Michael Mann, who directed the actor in 1995's Heat, told Deadline. "After so many years of Val battling disease and maintaining his spirit, this is tremendously sad news.”

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A new platform from data training company Scale AI will let artificial intelligence developers find their models’ weak spots.

A new platform from data training company Scale AI will let artificial intelligence developers find their models’ weak spots.

We went hands-on with Sony’s latest home theater gear, including its fiery new OLED TV.

In early 2024, the bird influenza that had been spreading across the globe for nearly three decades did something wholly unexpected: It showed up in dairy cows in the Texas Panhandle.

A dangerous bird flu, in other words, was suddenly circulating in mammals—mammals with which people have ongoing, extensive contact. “Holy cow,” says Thomas Friedrich, a virologist at the University of Wisconsin–Madison. “This is how pandemics start.”

This bird flu, which scientists call highly pathogenic avian influenza, or H5N1, is already at panzootic—animal pandemic—status, killing birds in every continent except for Australia. Around the world, it has also affected diverse mammals including cats, goats, mink, tigers, seals, and dolphins. Thus far, the United States is the only nation with H5N1 in cows; it’s shown up in dairies in at least 17 states.

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The Farnesina Collection is housed in the headquarters of the Italian Ministry of Foreign Affairs and International Cooperation in Rome.The Farnesina Collection is housed in the headquarters of the Italian Ministry of Foreign Affairs and International Cooperation in Rome.

Nintendo's next-generation handheld is set to launch June 5 alongside a slew of new games and accessories—including one very cool rebooted GameCube controller.

Tesla posted its production and sales numbers for the first quarter of 2025 this morning, and they continue the bad news streak for the electric automaker. Tesla produced 362,615 vehicles in total between January and the end of March, a 16.3 percent decrease from the same period in 2024.

The drop in sales was a little less bad; unlike this time last year, Tesla was able to more closely match production with demand. As a result, the company delivered 336,681 EVs in Q1, a drop of 12.9 percent compared to Q1 2024.

The Models 3 and Y make up the vast majority of Tesla's business—it built 345,454 of them in Q1 2025, a 16.2 percent reduction compared to the same period last year. Despite a recent refresh for the Model Y, which comprised the majority of these two EVs, sales declined by 12.4 percent year over year, with just 323,800 being sold, compared to 369,783 deliveries for Q1 2024.

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I've been complaining about tech a lot recently, and I don't apologize for it. Complaining feels great. That feeling of beleaguered, I-against-the-world self-righteousness? Highly underrated.

But a little righteous complaint goes a long, long, loooong way. (Just ask my wife.) Too much can be corrosive, it can make you insufferable to others, and it can leave you jaded, as many people, myself included, have become about technology.

I had three recent experiences, however, that were each quite small in their way but which reminded me that not everything in the tech world has fallen victim to the forces of "enshittification." Once in a while, technology still feels easy and—dare I co-opt the world from Apple's marketing department?—even magical.

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In a highly anticipated Nintendo Direct presentation this morning, the company revealed new information about the Nintendo Switch 2 hardware and software ahead of a newly announced June 5, 2025, release date. The system will be available on its own or in a bundle with Mario Kart World, for $449 and $499, respectively.

<em>Mario Kart World</em> taking off. Credit: Nintendo

The presentation led off with an extended look at a new exclusive launch title, Mario Kart World, which features 24 racers at once on "various regions across the globe" where "you can drive off the race track and go virtually anywhere" in a new "free roam" mode. Characters were shown doing jumps off of walls and wearing multiple different costumes. A new level themed after the original Donkey Kong featured prominently, as did one reminiscent of the Hyrule Castle level of Super Smash Bros. You can also go on "scenic drives with friends" and take photos with them in a new photo mode.

Switch 2 Editions of classic games, purchased as "Upgrade Packs" for original owners. Credit: Nintendo

Certain original Switch games will be re-released in new "Switch 2" editions that add new features and improved visuals. In the Switch 2 edition of Mario Party Jamboree, for instance, players will be able to take part in mouse- and camera-controlled games. And Switch 2 Editions of the two Switch Zelda games will allow access to a new smartphone-powered note-taking feature.

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Audi provided flights from Washington to Las Vegas and accommodation so Ars could drive the RS e-tron GT. Ars does not accept paid editorial content.

LAS VEGAS—Audi's sleek four-door electric sedan, the e-tron GT, has just received its midlife refresh. Usually, a midlife refresh is mostly cosmetic, intended to prevent the model from feeling too stale in the marketplace. But this time Audi has kept the visual changes to a minimum. There are new wheels and a new interior, as well as redesigned front and rear fascias, although the changes are quite subtle. Instead, there's been a comprehensive reengineering effort under the skin.

Perhaps not quite as comprehensive as the Polestar 2 refresh—which swapped front-wheel drive for rear—but there are now new motors and a new battery pack, which bring with them increased range, a reduced 0–60 mph time, and even faster fast-charging. Audi says it has also worked on the driving dynamics, including adding the same active suspension system we recently experienced in the Porsche Panamera.

As before, the e-tron GT comes in two specifications, but now the base model is the $125,500 S e-tron GT. This now offers 670 hp (500 kW), a 148 hp (110 kW) improvement on last year's model. That drops the 0–60 mph time from 4 seconds down to 3.3, but the 51-mile ( 82 km) increase to its range—now 300 miles (482 km) on a single charge—is probably going to be the most enticing improvement for potential buyers. That's courtesy of a new 105 kWh (gross, 97 kWh usable) battery.

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Googler Thomas Wagner shares how he used Gemini to learn more about his son’s rare disease, and jumpstart research.Googler Thomas Wagner shares how he used Gemini to learn more about his son’s rare disease, and jumpstart research.

“Coffee” made with functional mushrooms like lion's mane and chaga is all the rage—we tried the most popular brands to find which were the most palatable.