A leading US distributor of China’s most popular humanoid robots and robot dogs now plans to produce its own robots at a facility on Long Island, New York. The business pivot comes amid the US government’s growing crackdown on foreign-made robots.

The company, RoboStore, had previously become the main North American distributor for humanoid robots and quadruped robots from Unitree Robotics, a Chinese robotics company that produces some of the most affordable and popular humanoid robot models. Universities like Harvard and MIT, along with tech companies like Amazon and Nvidia, purchased such robots made in China through RoboStore for their own research and development purposes.

“We’ve sold over 1,500 robots and deployed them and worked with customers like Cisco, OpenAI, Nvidia, and over 150 universities,” Teddy Haggerty, founder and CEO of RoboStore, told Ars.

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In the two years since it made a largely successful debut, Europe's Ariane 6 rocket has launched eight missions, all of which reached orbit safely.

The large, expendable rocket has a capacity of more than 20 metric tons to low-Earth orbit. And to the credit of European rocket scientists and planners, the Ariane 6 has had a substantially smoother rollout than comparable vehicles in the United States—Blue Origin's New Glenn and United Launch Alliance's Vulcan rockets—both of which have had significant growing pains.

However, even though the Ariane 6 rocket has had a successful debut, its future is clouded by high costs.

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September 11, 2001, will be remembered as one of the darkest days in American history. As the 25th anniversary approaches, National Geographic, in collaboration with the 9/11 Memorial and Museum, is marking the occasion with a new documentary miniseries: 9/11: Reunited. The three-episode series revisits the personal stories of several survivors of the terrorist attacks, with a twist: It reunites people whose paths crossed at that time to celebrate the bonds they formed 25 years ago.

Director Julian Jones was a producer on NatGeo's Emmy-winning 2021 documentary miniseries 9/11: One Day in America. The experience inspired him to return to direct 9/11: Reunited. "What emerged for me [while making the 2021 documentary] was a sense of people showing up for each other, a selflessness and everyday heroism," Jones told Ars. As the 25th anniversary of the attacks approached, he and National Geographic decided to commemorate the milestone with a documentary series focused on that aspect.

"We wanted to bring people together to offer gratitude to each other, to answer unanswered questions, to talk about things that maybe they weren't ready to talk about until now, and also to remember their fallen comrades or friends," said Jones. "After 25 years, who do they want to meet? What questions have they got? I think we also wanted to tell the story of what many in the 9/11 community call 9/12, that's the rest of your lives—the journey, and in many cases, the psychological and physical struggles."

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Despite making changes last fall to help block adults from messaging unknown children, Roblox is still failing to stop adults from creeping on kids in other ways, Australia’s eSafety commissioner, Julie Inman Grant, said on Thursday.

Suspecting that Roblox may not be doing enough to stop child exploitation, eSafety conducted testing earlier this year that flagged alarming gaps in Roblox safeguards. The agency found that adult strangers could still send connection requests to kids, whose “profiles and biographies, including account names, number and names of connections, avatar images, and non-sensitive biographical information such as their interests were visible to anyone on the Roblox platform, with no option to restrict the visibility of this information.”

Such requests did not trigger parental alerts, eSafety found, and bad actors could also search kids’ visible-to-anyone contact lists for more targets.

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A couple of years ago, Genesis showed us its unique take on the luxury electric SUV with the Neolum concept. The brand's designers know how to draw a handsome shape, particularly using an SUV's proportions, and the clean-lined concept featured a four-seat interior with no B pillar, swiveling front seats, and a thoughtful mix of leather, wool, and even wood. Now Genesis has debuted the production version as its new electric flagship, the GV90. And based on the photos, at least, the process of turning that concept into reality has been a success.

The GV90 uses the same 800 V E-GMP platform as other Korean electric three-row SUVs, the Hyundai Ioniq 9 and Kia EV9. A three-row, seven-seat GV90 will be part of the range, and I would assume the most common variant we'll encounter on the roads. But for the launch, Genesis is just focusing on the four-seat GV90 and the high-end GV90 Neolum; the latter faithfully translates most of the concept, including the pillarless coach doors (which Genesis is calling the Neolum Arch Gate).

Pillarless coach doors certainly add drama to a vehicle, and Genesis has previously told Ars it learned enough to engineer them with all the safety requirements volume production would require. Speaking of safety, all GV90s include the world's first roof airbag (which deploys in the case of a rollover), one of 12 airbags throughout the interior.

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Elon Musk’s talk about maintaining a million-strong AI data center satellite megaconstellation may not exactly be practical or economical, but it might be unique. It’s about the closest we’ve come to confronting a scheme that would export a considerable amount of valuable materials into space. Humans aren’t doing a great job of material sustainability, but normally we’re talking about stuff escaping a recycling pipeline rather than escaping Earth’s gravitational pull.

The commercial space sector likes talking about the allure of mining asteroids for precious metals to bring back to Earth. Under what circumstances are we going to be willing to do that in reverse? Starlink alone has doubled the mass of objects in low-Earth orbit, and this orbital data center constellation would dwarf that—and dispose of at least some satellites by pushing them away from Earth.

Given the roughly five-year expected lifetime for data center GPUs, about 200,000 of the 1 million proposed SpaceX AI1 satellites would be decommissioned each year. Based on their May 29 FCC filing, about 40,000 would definitely deorbit and burn up in the atmosphere. (Those materials would largely be dispersed throughout the atmosphere, turning a resource into a diffuse contaminant that slowly settles over the globe. One related issue: the aluminum would cause an unknown amount of ozone depletion over a period of decades.) Some or all of the remaining 160,000 satellites would be moved outward into a distant “disposal” orbit, instead. Either way, they're lost from a "material life cycle" point of view.

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When someone uploads a photo to the people-search tool ClarityCheck, the website has a clear message: “Your reverse image search is private and secure.” New research, though, shows that the website left more than 9 million image files, including photographs of people’s faces, publicly exposed. And a second misconfiguration publicly exposed people’s email addresses and phone numbers.

Overall, according to findings from independent security researcher Jeremiah Fowler, the exposed ClarityCheck database contained roughly 450 GB of images, including what appeared to be profile images, screenshots, and other photographs of adults, teenagers, and children. All of the images were stored in an unsecured Amazon S3 bucket, with files in folders named “faces” and “profiles,” which could be accessed by anyone online through a URL included in the company’s publicly available website code.

ClarityCheck is one of a number of so-called people-finder tools that have appeared online in recent years. These websites broadly claim to be able to search the web, public records, and other databases to identify individuals. ClarityCheck’s website says it can run searches on phone numbers, email addresses, vehicle identification numbers, and names. Its photo-search page says it can help “identify anyone in a photo” and find social media profiles “in seconds.”

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Earlier this week, researchers outlined an attack that used a secret input provided by Microsoft 365 Copilot for enterprise to cause the AI assistant to exfiltrate a password present in the user’s inbox. Now, a separate team has devised a similar attack against Grok. The new data theft hack employs a deceptively simple trick to force the Elon Musk-owned large language model to steal user chats and other personal information. At the time this post went live, the assistant continued to cough up the data, despite xAI being informed of it in June.

The lesson from both this week’s episodes—and the countless other ones that have come before it—is that LLMs are incapable of solving the root causes for prompt injections, the most severe vulnerability classes they’re most prone to. That leaves AI developers with no other option but to build a guardrail that steers the model away from the harmful actions. As I noted in Tuesday’s story, the approach is tantamount to a road traffic safety engineer erecting a protective rail around a dangerous bend rather than banking the curve.

Cryptographic Context Injection in the house

Prompt injections exploit LLMs' training to comply with user requests whenever possible. Attackers can capitalize on the predilection by smuggling harmful instructions into emails or webpages the assistant is instructed to summarize. Because LLMs can’t reliably distinguish between content in an email sent by an untrusted party and user instructions entered directly into a prompt, the overly solicitous LLM faithfully follows them. To date, Grok and other LLMs' only recourse is to create guardrails that flag suspicious instructions and forbid them from being executed.

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NASA and Katalyst Space Technologies announced Wednesday they are giving up on a robotic mission to rescue the Swift gamma-ray telescope before it falls out of orbit.

The rescue satellite, named Link, launched July 3 on a journey to fly up to NASA's Neil Gehrels Swift Observatory, capture it with three robotic arms, and boost its orbit high enough to escape a looming reentry. Link is about the size of a refrigerator, with two power-generating solar arrays and three xenon-fueled electric thrusters to send Swift into a safer, higher orbit.

Katalyst, the startup leading the Swift rescue effort, said Wednesday that "ongoing attitude control issues" will prevent the Link satellite from completing its rescue mission. The spacecraft is still alive, and Katalyst said it will make the most of Link's remaining capacity, which may still allow it to get near enough to Swift for a demonstration of the satellite's close-in navigation system.

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Amazon wants to grow its Prime Air delivery drone service sixfold to reach nearly 500 cities and towns across the United States by the end of 2026. The planned expansions from Amazon and its rivals could make the convenience of delivery drone services available to tens of millions more people in the coming months—but will also test more communities’ tolerance for increased noise from daily drone flights.

On August 19, Amazon announced it would soon launch Prime Air in the metropolitan areas of Chicago; Cleveland; Atlanta; Syracuse, New York; and Boise, Idaho, with more to come later in the year. Each Prime Air site offers delivery drone service within an area of about 175 square miles, with delivery times ranging from half an hour to an hour.

Prime Air already operates out of Amazon warehouses in 10 cities across seven states. Those include primarily suburban neighborhoods of Phoenix; Tampa; Kansas City; Omaha, Nebraska; Baton Rouge, Louisiana; Detroit; Houston; and San Antonio, Dallas, and Waco, Texas.

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A BIOS update for the Framework Laptop 13 with AMD Ryzen 7040-series processors is bricking the systems, multiple users have reported online.

Framework started shipping pre-built Ryzen 7040-based Framework Laptop 13 computers and compatible motherboards in 2023. In June 2026, Framework released BIOS 3.20 for the devices. The update adds mainboard support for features, including a haptic touchpad and new speakers, for the higher-end Framework Laptop 13 Pro and fixes issues, including one “where the Battery Extender status was reported incorrectly following a reboot, hibernation, or shutdown after the timer had expired," per a post on Framework’s forum from an employee.

Some users say that they installed the update successfully.

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Last Friday, Google won an auction to acquire a huge amount of Spirit Airlines data.

The data doesn’t include personal information or customer data, but instead nearly covers the airline's entire employment and workplace record.

To ensure that no individual can be identified in the dataset, Google agreed to use a court-appointed ombudsman to oversee a process to strip any personally identifying information (PII) from the data before it’s transferred to Google. Under the deal, Google agreed to maintain the data in this de-identified form and to never intentionally re-identify the data. And if Google sells access to the data, third parties would supposedly be bound by the same terms.

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The Federal Communications Commission last week eliminated the gigabit speed goal established during the Biden administration and declared that current levels of broadband deployment in the US are acceptable. Though fiber networks have routinely offered such speeds for years, the FCC said the gigabit speed goal is not "technologically neutral," suggesting that it isn't fair to other, slower technologies.

In 2024, the FCC raised its broadband benchmark to 100Mbps downstream and 20Mbps upstream, setting the new standard by which to judge whether deployment is reasonable and timely. The FCC at the time also set a long-term speed goal of 1Gbps download speeds paired with 500Mbps upload speeds, saying it would use the goal “as a guidepost for evaluating our efforts to encourage deployment.”

Republican Brendan Carr, who is now the FCC chairman, never liked that long-term goal. He proposed abolishing it last year, and the change was finalized on August 14 in the FCC's latest broadband deployment report. The reports are mandated by Section 706 of the Telecommunications Act.

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It has been a little more than a month since China recovered an orbital-class rocket booster for the first time. A second launch operator accomplished a similar feat Tuesday in another sign of China's growing launch capability.

It took 10 years for a second US launch company, Blue Origin, to propulsively land an orbital-class booster after SpaceX did it with the Falcon 9 rocket in 2015. SpaceX has since added a second reusable rocket to its fleet with Starship and its Super Heavy booster. Perhaps a third American company will join SpaceX and Blue Origin's club in 2027. Rocket Lab, Stoke Space, Relativity Space, and Firefly Aerospace—working in partnership with Northrop Grumman—are working on reusable rockets that could make their first flights in the next couple of years.

A similar number of launch companies are working on reusable rockets in China. Some of them operate under the auspices of the sprawling state-owned China Aerospace Science and Technology Corporation (CASC). Others are more commercial in nature, driven by capital investment from private industry.

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In June, we highlighted a behind-the-scenes featurette on the making of Wildwood, director Travis Knight’s forthcoming stop-motion animated fantasy film. Laika Studios released an extended teaser in May, which racked up over 90 million views. And now we've got the gorgeous full trailer, set to a haunting cover of Avicii's "Wake Me Up."

The film is an adaptation of the 2011 novel by Colin Meloy—frontman of indie folk-rock band The Decemberists—and his wife, illustrator Carson Ellis. Meloy and Ellis live in Portland, Oregon, near Forest Park, where they often hike the trails. In Wildwood, they transformed that local landmark into a magical hidden world filled with talking animals and lurking threats, only accessible to people of The Wood—and select Outsider “half-breeds.”

Twelve-year-old Prue McKee discovers the forest while out walking with her baby brother, Mac. A murder of crows swoops down and carries him away, and Prue discovers the Wilderness while hunting for him. Her schoolmate, Curtis Mehlberg, follows her, and both are able to enter that magical world. Fantastical adventures ensue as the pair encounter a mysterious woman, Alexandra, who has lost her son, along with coyotes, bandits, and some pretty big secrets.

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Pharmaceutical partners Moderna and Merck announced on Wednesday that their novel mRNA-based vaccine—individually tailored to target a patient's unique cancer mutations—was effective in a late-stage clinical trial of patients with melanoma, one of the deadliest forms of skin cancer.

The announcement was scant on details, but if the success holds, it stands to realize the high aspirations for both mRNA vaccines and individualized cancer-targeting medicines in cancer therapy, providing a first success for both treatment types.

The Phase 3 trial included 1,137 patients who had stage IIB–IV melanoma that had been surgically removed prior to their treatment in the trial. Patients were randomized 2-1 to receive either a combination treatment of the tailored mRNA vaccine (intismeran or mRNA-4157) with Merck's established monoclonal antibody cancer treatment Keytruda, or they received treatment with Keytruda alone. Both patient groups were treated for about a year. The trial was placebo-controlled and double-blind, meaning neither the doctors nor the patients knew which treatment patients were randomly assigned to receive.

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Google's approach to making smartphones has changed a lot over the years. It started with Nexus phones aimed at the tinkerer and enthusiast niche back when there were countless companies making smartphones. Today, there are far fewer, and Google's hyper-polished Pixel lineup is seeing less competition and higher sales. So maybe Google thinks it can just keep doing what works. The new Pixel 11 series is Google's most refined yet, featuring sleek designs, smart software, and incredible screens. They're also rather boring.

Google made precious few hardware changes in its 2026 phones, shaving off a fraction of a millimeter here and dropping a gram there. The design language has been the same now for three generations, all while prices continue to inch upward. And this year, Google's hardware has actually regressed in a few key areas. Despite that, the Pixel 11 phones aren't bad—they're some of the best 2026 has to offer. But it feels like Google is forgetting that it's not just competing against Apple and Samsung. It also has to compete against the Pixels of yesteryear.

The same old (but great) design

Just like last year's Pixel 10 series, Google's 2026 lineup includes three flat phones and one foldable. The flat Pixels are the same size, and even side-by-side, it's hard to tell them apart from their predecessors. We've got almost identical aluminum and glass sandwich designs, which do admittedly look very nice. They still have Pixelsnap, too.

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Sgr A* is the name we've given to the supermassive black hole that sits at the center of the Milky Way. We've known about its presence since the 1970s but only managed to image it within the past few years. In the intervening time, most of our understanding of the object was obtained by watching a group of stars that orbit the black hole, helping us get a good estimate of its mass and size. In essence, those stars acted as instruments that let us peer into an environment we couldn't study any other way.

In Wednesday's issue of Nature, researchers describe a recently discovered star that is on an extremely eccentric orbit that takes it closer to Sgr A* than anything we've previously identified. It gets so close that it may help us get our first measurements of the spin of the black hole.

Reading the spin

There's an entire population of stars that orbit relatively close to Sgr A*. We can estimate their mass based on their brightness and spectral features. Using their masses and a reconstruction of their orbits using several years of data, we can figure out just how supermassive Sgr A* is (nearly 10³⁷ kilograms).

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Meta platforms recently ran ads for an AI porn-generation tool that seemingly encouraged users to create deepfaked videos resembling female US politicians, despite the company’s policies against ads containing sexual material. It’s the latest in a series of failures by Meta to keep advertisements for tools that produce nonconsensual intimate imagery off its platforms.

The tool, which is called Kromix, bills itself as an “AI image styler.” A voice-over for one of the video advertisements, viewed by WIRED, promotes the tool as having “no restrictions,” saying “all the characters are real people” and describing it as “the AI that men actually use.” In one ad, a woman closely resembling a prominent female US politician is seen in front of a US flag and the flag of the president of the US above the caption “What if she moved?” She then winks, before the ad cuts to a scene of a woman with the same face performing in a pornographic video.

The Kromix app, which was hosted by Apple’s App Store prior to a request for comment from WIRED, invites paid users to upload photos so that it can use them in scenarios including “bedroom rape” and “Disney love.” Videos on the app also feature AI-generated pornographic videos of women wearing Spider-Man costumes. Requests for comment sent to a contact listed in the app went unanswered.

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President Trump is expected to nominate Heidi Overton, a top conservative policy aide, as the next commissioner of the Food and Drug Administration, according to multiple media reports.

Overton is currently the deputy director of the White House Domestic Policy Council and has played a key role in shaping a variety of health policies during Trump's second term. At times, she has notably angered members of the Make America Healthy Again movement, which was created by anti-vaccine Health Secretary Robert F. Kennedy Jr.

Overton has a medical degree from the University of New Mexico School of Medicine and earned a doctoral degree in clinical investigation from Johns Hopkins Bloomberg School of Public Health. While at Johns Hopkins, she worked with Marty Makary, the previous FDA commissioner who was ousted by Trump amid a cacophony of controversies.

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The federal agency tasked with studying ways to improve America's outstandingly poor healthcare system is "on the brink," experts warn. The Trump administration has cut its staff by 75 percent, canceled its grants en masse, and is refusing to spend tens of millions of dollars appropriated by Congress.

Whether the agency "will survive the second Trump administration is an open question," health policy experts Aaron Carroll and David Atkins wrote in an opinion piece published today in the Annals of Internal Medicine.

The agency in question is the Agency for Healthcare Research and Quality (AHRQ), which has focused on ways to improve patient safety, healthcare quality, care delivery, and new technologies and practices since the 1990s. In the past, "Republican leaders recognized that health care disparities were fundamental quality problems," Carroll and Atkins wrote. But recently, disparities in care have become partisan issues.

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Russian tanks have entered battle for the first time with a new active protection system designed to shoot down incoming drones. But the technology’s recent combat debut in Ukraine met with only limited success—Ukrainian drones still destroyed the Russian armored vehicles by attacking in overwhelming numbers.

The first documented battlefield appearance of the Arena-M active protection system took place when Russian forces launched a company-size assault with tanks and other armored vehicles in the Donetsk Oblast region of eastern Ukraine on July 22. The Ukrainian defenders repelled the attack and posted video footage of their kamikaze drone strikes destroying at least seven T-72B3A tanks, including some that carried the Arena-M system, according to Euromaidan Press.

However, Ukrainian soldiers also described the Russian Arena-M system successfully shooting down some incoming drones, according to the journalists Dmytro Putiata and Rob Lee. The Ukrainians reported requiring between 15 and 20 drones to finish off each tank.

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SpaceX's most recent Starship test flight may have ended July 24, but its mission isn't over yet.

The spacecraft splashed down in the Indian Ocean intact after flying halfway around the world from SpaceX's launch base in South Texas. Engineers expected the ship's life to end with a fiery disintegration after toppling over, just as past Starships have done following splashdown.

Numerous onboard sensors and cameras, along with buoys and drones in position at the splashdown zone, have provided important data for SpaceX to assess the performance of the ship's heat shield after each test flight, so officials accepted the post-flight conflagrations. That day, Starship tipped over and remained intact, surprising just about everyone.

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Disney today sued the Federal Communications Commission and FCC Chairman Brendan Carr in a lawsuit that aims to stop what it called a "campaign of censorship" waged by the Trump administration against ABC.

Disney, ABC, and the eight broadcast stations they own filed a complaint in US District Court for the District of Columbia. They also submitted a motion for a temporary restraining order and preliminary injunction that would halt the FCC proceeding in which Carr is threatening to deny renewals of broadcast licenses held by ABC stations.

The lawsuit accused the FCC of violating the First Amendment by retaliating against the company's protected expression. "Again and again, the Administration has attacked ABC’s speech—the stories its journalists report and the viewpoints its network programs air," the lawsuit said. "Over time, those attacks have escalated into express demands that ABC be stripped of its broadcast licenses because of its speech."

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For the fourth time in four years, Peacock has raised its prices.

The Select plan, which has ads and doesn’t include sports, movies, or Peacock originals, went from $8/month to $9/month. The monthly fee for the standard ad plan (Premium) went from $11/month to $13/month, and the ad-free plan (Premium Plus) went from $17/month to $20/month. Annual pricing, as previously, offers 12 months for the price of 10 months.

Peacock’s previous price hike was in July 2025, when the middle tier (with ads) went from $8/month to $11/month, and the ad-free plan increased from $14 to $17. Peacock also raised prices in July 2024 and August 2023. NBCUniversal launched the service in 2020.

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There are generally two schools of thought in the Western space community when it comes to the prospect of China landing humans on the Moon in the next few years and very possibly beating NASA and the United States in its efforts to return astronauts there.

Many people will ask what the big deal is. After all, NASA won the space race to the Moon nearly six decades ago, when Apollo 11 landed there. That it took so long for anyone else to follow speaks to the magnitude of the US achievement, they might say.

But others have a starkly different opinion. A dominant storyline of the 21st century has been the economic and geopolitical rise of China, and what was once a unipolar world now has two large nations vying for supremacy across a number of fronts. One is space. If China can land humans on the Moon before the United States returns, it will represent a huge geopolitical win. From a propaganda standpoint, it will allow China to declare that it has not just caught up to the United States but surpassed it as this century's superpower.

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As smartphone designs have become more refined, they've also become less repairable. Fairphone bucks that trend, offering devices that can be fully disassembled and serviced using a single screwdriver. But its devices were a pain to get in the US until now.

The Dutch company has launched the Fairphone Gen 6+ in the US, offering not only the phone but a full line of accessories and replacement parts so you can keep your phone running for years. And yes, the battery is removable.

Don't expect the Fairphone Gen 6+ to blow you away in the spec department—it focuses on being repairable and paying workers a fair wage. Half of the phone is made from recycled materials, and it has a microSD card slot. How retro.

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The car that Ford hopes will return it to overall victory at the 24 Hours of Le Mans made its unofficial debut this week. Ford sent us some pictures of the still-unnamed car conducting its first track test at the colorful Paul Ricard circuit in Provence, France, where drivers Matt Campbell and Logan Sargeant started the hard work of making the car both fast and reliable.

Ford already has four overall wins at Le Mans, owning the top spot four years in a row. But the last of these wins came in 1969, when a privately entered—and at that point outdated—GT40 managed to beat Porsche's still-untamed 917 on the German car's debut. The company returned to top-level endurance racing in 1982 with the C100 during the early days of the Group C regulations, but the car was uncompetitive and unreliable, and the program soon ended.

In 2016, 50 years on from its first win, a class win in the GTE-Pro category added some more silverware to the corporate display cabinet. Now, the soaring popularity of the Hypercar category in the World Endurance Championship and at Le Mans has tempted it back to the fastest class.

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Here’s one for all the kids who were exposed to lurid slasher movies when they were way too young and it kinda messed them up… but they’re finally ready to laugh about it.

Jane Schoenbrun’s latest movie, Teenage Sex and Death at Camp Miasma, is shocking, emotional, provocative, numbing, warm, witty, and surreal. It’s a slasher nerd’s dream, with a David Fincher-esque attention to detail in the opening sequence, which was designed using insights gathered from horror convention-goers. Written to indulge superfans, the movie also makes sure to not lose the general audience. Just as the geeky navel-gazing threatens to become tedious, a joke or a wink keeps the audience laughing and focused on the fantastical story Schoenbrun actually wants to tell—which isn’t a genuine slasher at all.

The movie follows Kris (Hannah Einbinder), a queer film director tasked with creating a "woke" reboot of a politically incorrect sleepaway camp franchise in the vein of Friday the 13th. On her way to meet the reclusive final girl from the original Camp Miasma film—Billy Preston, portrayed deliciously by a junk food-obsessed Gillian Anderson—Kris fails to nail her pitch and instead gets yanked into a fantasy buried deep in her psyche while at the abandoned set where Billy now lives.

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Narwhals are toothed whales, renowned for their distinctive straight, spiraling tusks, which many people in medieval times believed were the horns of unicorns and thus held magical healing properties. That belief was debunked long ago, but the tusks remain popular souvenirs in Canada and Greenland. And they still hold a fascination for scientists keen to learn more about their unusual structure. A new paper published in the journal Nature Communications reports that rather than one left-oriented spiral, narwhal tusks also have a second internal spiral oriented in the opposite direction.

Inuit legend holds that a woman was dragged into the ocean by a harpoon rope after the weapon had hit a narwhal and was transformed into the animal herself. Her hair, which she'd worn in a twisted knot, became the spiral tusk. The tusk is actually a canine tooth in the left upper jaw of male narwhals, pushing through the lip when the males reach two or three years of age and growing to lengths as long as 1.5 to 2 meters (just under 5 feet to 9 feet 10 inches). Some males may develop two long spiral tusks or, in rare cases, none at all.

There's a general consensus that these tusks most likely evolved via sexual selection as a form of social status. They clearly aren't crucial for survival, since the females usually don't develop the tusk—and if they do, the tusks are much smaller with fewer spirals—and yet typically live longer than the males. But the precise function of the tusk is still a matter of considerable debate.

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It’s not every day that attackers can force a frontier AI model to cough up user passwords and other sensitive data without user confirmation. That’s exactly what researchers recently did to Microsoft 365 Copilot for enterprise. Even more unusual is the source they tapped to discover the critical vulnerability that made their exploit possible. Rather than employing reverse engineering or other traditional vulnerability-hunting methods, they asked Copilot. The LLM assistant readily complied.

Researchers at security firm Varonis knew they wanted to create an exploit that would exfiltrate user data when a user did nothing more than click on a link. Like most AI assistants today, Copilot steadfastly refused and made clear that sensitive prompts like that require explicit user consent in the form of a gesture, such as pressing a return key or other key. In response, the researchers peppered Copilot with questions about the guardrails that required user confirmation before the assistant could execute powerful commands.

Loose lips sink ships

The dialog was like a game of 20 questions. Each answer provided a new clue that divulged information about the complex safety mechanism. Why was auto-execution impossible, they asked. What URL structures and deep links were involved? What happens when a page is loaded with input already in the prompt field? Each answer provided a deeper view into the guardrail and its limits. Eventually, Copilot provided a stunning Microsoft trade secret—an undocumented prompt parameter that completely bypassed the requirement for user consent.

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For the nation’s 2.4 million farmworkers, climate change is poised to exacerbate the harms of pesticides, a growing body of research shows.

Heat stresses the body, making it more vulnerable to pesticides and other toxicants, and protective clothing worn in the heat only adds to this stress. Hotter temperatures can also lead to higher evaporation rates, increasing farmworkers’ exposure as more pesticides are applied to crops. And heat can boost rates of chemical transformation of pesticides into more toxic compounds.

“When it’s in the air, you are inhaling it through your nose. You are exposed to it through your other organs like skin. Your skin can absorb some of the pesticides [that are] in the air, and also when you’re sweating as part of doing your work you are increasing the pore size of your skin,” said Omanjana Goswami, a scientist in the food and environmental program at the Union for Concerned Scientists, an advocacy group. “It is awful. There is no other word for it.”

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Egypt's Theban necropolis holds over 400 tombs, a rich resource for archaeologists eager to learn more about that region's ancient history. A new paper published in the journal Frontiers in Environmental Archaeology outlines how Egyptian burial trends likely changed over the course of centuries, shifting from individual burials in elaborate coffins to reusing earlier burial sites for later interments, resulting in greater density and the occasional superposition of bodies.

There has been prior research on the reuse of tombs in Thebes. This latest paper focused on a Theban tomb known as 209 in the western necropolis, dating back to the early 25th Dynasty (754–656 BCE) and ultimately abandoned in the Ptolemaic period (305–30 BCE). The original owner was likely a high official of Nubian origin named Nisemro. Over the centuries, the tomb was prone to repeated flash flooding due to its location within an active drainage channel of the Wadi Hatasun, so it's a complex site, archaeologically speaking.

That made it ideal for what the authors term an "integrated archaeothanatological approach," incorporating collected data on body position, coffin use, superpositions of remains, and stratigraphic relationships with osteological analysis in order to reconstruct the chronological sequence of the burials. They focused on a site known as Side Chamber 3, one of the main secondary areas of the tomb that was largely undisrupted.

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© Proyecto dos cero nueve, Universidad de La Laguna / Jared Carballo-Pérez

The Centers for Disease Control and Prevention on Monday released data on the vaccination rates of US kindergarteners in the 2025–2026 school year, revealing that rates have once again decreased from the previous school year.

Vaccination rates have been slipping since the 2019–2020 school year, when the US had obtained rates of around 95 percent, the threshold needed to keep outbreaks of vaccine-preventable diseases from spreading in communities. The latest data shows the US is moving further away from that target.

Nationally, only 92.4 percent of kindergartners were vaccinated with the measles, mumps, and rubella (MMR) vaccine in the 2025–2026 school year, down from 92.5 percent last year. Coverage with the DTaP vaccine, which covers diphtheria, tetanus, and acellular pertussis (whooping cough), similarly fell from 92.1 percent to 92.0 percent.

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Three former SpaceX engineers have switched their attention from making rocket engines to manufacturing steel parts by using AI-driven software and robots. Their immediate goal involves establishing a prototype factory that can automate most of the steel fabrication process for crucial infrastructure components by 2027.

The startup, called 1872, officially launched on July 22 with a ribbon-cutting ceremony at its Factory One facility in Cincinnati, Ohio. The company is initially focused on automating the manufacturing of steel skids—rectangular steel frames that can provide a moveable foundation for modular buildings—with the goal of supplying customers who are developing AI data centers or small modular nuclear reactors.

“We're building towards autonomy, but we're not necessarily building in a dogmatic fashion towards full autonomy,” Dan Summers, CEO of 1872, told Ars. “We may achieve 80 percent autonomous operations, and we may decide that it makes sense to stop there because there's just diminishing returns to go to full 100 percent.”

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DURATÓN, Spain—I'll say it: I'm hooked. Standing in the shadow of the Moon is one of the rarest opportunities to directly sense the mechanics of our Solar System, when the dance between three celestial bodies slides into perfect alignment. It's a mathematical miracle whose rarity and grandeur are made possible by the relative sizes and distances of the Moon and the Sun from Earth. Not every planet is so lucky.

The Moon's shadow crisscrossed the American heartland twice in less than seven years, first in 2017 and again in 2024. I was fortunate to witness both. The experiences left me too impatient to wait for the next total solar eclipse in the continental United States in far-off 2044.

That's what pulled me to the plains of north-central Spain last week. This land of wide open spaces, ancient churches and castles, and vast sunflower fields, all baking under the blinding August Sun, seemed like the perfect location to enter the path of totality. The ongoing drought in Spain has turned the country's fields and forests into a tinderbox, but those conditions made for ideal eclipse viewing.

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Perhaps it's the local summer diet of deep-fried cheese curds, corn on the cob, and Spotted Cow, but Wisconsin residents have been feeling pretty dyspeptic about Flock's automated license plate cameras.

Over the past few months, a spate of Wisconsin towns and cities have withdrawn from Flock deals over privacy and trust concerns. As they did so, another issue revealed itself: With each city that leaves, the Flock network becomes less useful to the cities that remain. And cities are starting to notice.

Consider Dane County, which includes the city of Madison. It's one of the most populous counties in Wisconsin. It was also a significant Flock user, with a contract for 24 license plate cameras. But after complaints from citizens and privacy experts, the Dane County Board of Supervisors on April 16 voted to cut the $80,000 in county funding for Flock cameras and banned "further expenditures on the system."

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The Supreme Court today rejected Verizon's attempt to get a $47 million refund from the Federal Communications Commission. In a list of orders issued by the court, Verizon's petition was denied without explanation.

The denial apparently ends any possibility of Verizon asking a lower court to review the fine and order the FCC to issue a refund. However, AT&T and T-Mobile are continuing to challenge similar fines on grounds that selling device-location data did not violate US telecom law.

AT&T, T-Mobile, and Verizon were fined a total of $196 million in 2024 for selling mobile users’ real-time location data without their customers' consent. The carriers sold device-location information to data aggregators, who resold it to other firms.

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© Getty Images | Bloomberg

Petlibro founder and CEO York Wu provided more information about an outage that left users unable to control their smart pet feeders through the companion app and, in some reported cases, left them with hungry pets.

Petlibro, a company owned by Shenzhen, China-headquartered firm Shenzhen Libro Technology Co., first acknowledged the outage on Tuesday at 5 am PT. At 7 pm PT on Wednesday, Petlibro said the outage was resolved. Notably, some people online reported different information at the time, and some claimed to still have problems as of August 13.

In a blog post on Saturday that included an apology and acknowledgement of the “frustration and concern” the outage caused, Wu confirmed that problems with Petlibro’s cloud server caused the outage:

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For the past year or so, booksellers have suspected that AI firms are buying up huge lots of rare books, then destroying them after scanning them to train AI. But this was hard to prove until now, as 404 Media reports that an Airtag hidden in a rare book shows that at least one tech giant, in the race to advance its frontier models, is behind some of the bulk orders: Amazon.

On Monday, 404 Media revealed that it had connected with a bookseller who agreed to plant an Airtag in a rare book that was part of a bulk order. That Airtag was then tracked to an Amazon AI training facility in Las Vegas that housed a team focused on tearing books from their spines and scanning pages, 404 Media reported. Apparently tone-deaf to the escalating backlash over destructive book scanning, a logo on the door of that team’s warehouse, VGT3, showed a Tyrannosaurus rex preparing to devour a book, 404 Media documented.

Amazon deflects

Amazon declined to comment on 404 Media’s findings, only providing Ars with the same statement it gave to 404 Media, which does not mention AI training specifically.

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This past weekend saw Monterey Car Week at perhaps its most excessive ever. The auctions set records, including $42.9 million for one of six Shelby Daytona Coupes and $40 million for Ferrari's first Luce electric vehicle to reach private hands. Hypercars and restomods with seven-figure price tags filled the California peninsula, and yet I know I'm not alone in mustering little enthusiasm for this kind of thing. Which is why today I'm writing about the antithesis of all that: a hand-built, low-cost, efficient, and remarkably cheap car that suggests one possible future for driving enthusiasts, should we choose to take it.

This is because the answer cannot just be "add more power and go even faster." Forget hypercars; even regular sports cars like a Porsche 718 Boxster or Toyota Supra have more performance than you can comfortably use on the road, and each version gets more power and costs more than the last. Add the cost of tires, consumables, a thirsty engine, and the fact that cars are all so ludicrously expensive to begin with these days, and soon the whole thing starts to look unsustainable.

You can see the Gasolini's mechanicals in this superimposed photograph. Credit: Gasolini

Robert Ely's Gasolini AR1, as featured on Jonny Smith's "The Late Brake Show" yesterday, is none of those things. The UK has a long history of being more permissive than most when it comes to allowing cars hand-built in sheds to be registered for road use, and the AR1 is true to tradition and makes use of plenty of existing parts.

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Nvidia has disclosed that it owns nearly 123 million shares in SpaceX, further highlighting the chipmaker’s entangled financial relationships with some of its biggest customers.

The $5.5 trillion company owned SpaceX stock worth nearly $21 billion at the end of June, according to an SEC filing on Friday. Elon Musk’s rocket conglomerate’s shares have fallen sharply since its June initial public offering, meaning Nvidia’s stake would now be worth $17 billion.

The disclosure marks a huge pay-off on Nvidia’s investment in xAI, completed in January, shortly before Musk combined the AI lab with SpaceX.

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During a medieval siege, a trebuchet scored a chance hit on one unlucky defender. A small boulder slammed into his upper back at close to 300 kilometers an hour, smashing bones and crushing him beneath its weight.

The man’s skeleton lay beneath the chapel of Scotland’s Stirling Castle, along with the remains of several other people who had clearly died violent deaths. But this one, known to us only as Skeleton 150 (or as “trebuchet guy” in your faithful correspondent’s notes), stood out even among that battle-damaged crowd because most of his upper body had been shattered. According to University of Bradford paleopathologist Jo Buckberry, who presented her research at the 25th European Meeting of the Paleopathology Association last week, Skeleton 150 is the only known trebuchet casualty in history.

A shattered skeleton

Skeleton 150 was in terrible shape, even for a dead guy. The man’s skull had broken in 61 separate places, and another 60 jagged bits of bone were distributed across his ribs. His right shoulder was broken, and his right leg above the knee was basically shattered.

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© Bob Marshall and HES

This should be a golden era of launch.

During the last three years, an average of 270 orbital rockets have launched from Earth, a more than threefold increase from only a decade ago. By every metric available, the launch industry is crushing it: Prices have never been more competitive, launches never more frequent, and access to space never more rapid.

Paradoxically, though, there is a growing crunch in launch availability.

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In 1965, a presidential advisory panel issued a report warning that pervasive chemical and carbon pollution was harming environmental health and changing the climate. Five years later, President Richard Nixon signed the Clean Air Act.

Since that 1970 law and its amendments were passed, combined emissions of a half-dozen harmful air pollutants from vehicles and industrial sources have decreased by nearly 80 percent.

But mounting evidence shows that pollution from wildfire smoke is eclipsing those air-quality gains. The unchecked burning of fossil fuels is creating warmer, drier conditions that make wildfires more intense and destructive, and blanket communities in toxic smoke that is more harmful than pollution from other sources.

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It was a busy first day at D23: The Ultimate Disney Fan Event, in Anaheim, California, with Marvel Studios releasing the first trailer for VisionQuest. We also got the first teaser for Ahsoka S2; the public release of the Avengers: Doomsday special footage featured last month for attendees only at San Diego Comic-Con; a special sneak peek (for attendees only) for Star Wars: Starfighter; casting news for the MCU's X-Men movie; and a trailer for an animated special, LEGO Star Wars: The Mandalorian, coming to Disney+ next month.

(Some spoilers below. One MAJOR spoiler for Spider-Man: Brand New Day; we'll give you a heads-up when we get there.)

VisionQuest

Marvel's streaming TV portfolio has kind of been all over the place: a handful of hits, a few misses, and a bunch of middling offerings. One of the standout hits was WandaVision, followed by an excellent sequel (of sorts), Agatha All Along. VisionQuest will complete the trilogy. Yes, Vision (Paul Bettany) died in Infinity War, but WandaVision resurrected an all-white version whose memories were restored in the finale. We finally get to learn what happened afterward.

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Ukrainian President Volodymyr Zelenskyy confirmed on Saturday that his country struck the Progress Rocket Space Center deep within Russia using ground-launched cruise missiles.

"In Russia’s Samara region, one of the key enterprises within Roscosmos—the Progress Center, which was involved, among other things, in electronics production–was hit," Zelenskyy said on the social media site X. "Flamingo missiles were used. A good achievement."

The largest city in the Samara Oblast, about 900 km from the Ukrainian border, Samara is home to Russia's most important manufacturer of rockets. The Progress Center assembles the workhorse vehicle for Russia, the Soyuz-2 vehicle, as well as the newer Soyuz-5 rocket. The facility also builds military satellites.

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It’s been a wild first half of the year in the US power sector, with announcements of gigantic natural gas power plants and some long-awaited renewable energy projects coming online.

At times of rapid change, forecasting is difficult. So I feel a measure of comfort focusing on something concrete like the list of 368 utility-scale plants that began operation from January to June, according to data from the US Energy Information Administration. The group is dominated by utility-scale solar.

This is a top-heavy list, led by SunZia Wind South and SunZia Wind North in New Mexico, which went online this spring and are the largest wind farms in the country, with a combined generating capacity of 3,650 megawatts. SunZia has been in the works for about a decade and arrives at a time when US onshore wind power development has dwindled for a host of reasons related to regulations and public opinion.

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© Andrew Merry

Dutch officials have warned that a high-severity macOS vulnerability that allows attackers to execute malicious code is under active exploitation.

“The NCSC has received a notification indicating that active abuse of this vulnerability has been observed on multiple systems on which port 5900 was accessible from the Internet,” the Netherlands National Cyber Security Centrum warned earlier this week. “In all these cases, root had been accessed on the affected system and a Monero crypto miner had been placed.”

Do you know if your screen sharing is on?

The vulnerability, tracked as CVE-2026-65400, received a patch from Apple last week for macOS Tahoe, Sequoia, and Sonoma. The vulnerability, with a severity rating of 7.1 out of 10, stems from a bug in the macOS screen sharing capability, which allows a remote party to view the screen and control the keyboard and mouse while a machine is turned on. A flaw in the “state management,” which keeps track of preceding events, user interactions, variables, and other system states, is the underlying cause.

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The first flight of the largest battery-electric aircraft to take to the skies lasted nearly half an hour while costing just $5 of electricity. That aviation feat comes at a time when jet fuel prices have skyrocketed because of the US war with Iran.

The test flight of Heart Aerospace’s X1 demonstrator aircraft took place at Plattsburgh International Airport in upstate New York on August 12. The X1 aircraft is comparable in size to a small regional airliner and can achieve a maximum takeoff weight exceeding 25,000 pounds with the help of four wing-mounted electric motors. The battery-electric propulsion system delivered more than one megawatt of power during the maiden flight.

All-electric aircraft can offer quieter and cleaner flight without the emissions that come from burning jet fuel. They may also prove more reliably cost-effective than conventional aircraft that come with jet fuel costs subject to geopolitical disruptions.

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