Later this week, Amazon is closing a small loophole that allowed purchasers of Kindle books to download those files to a computer and transfer them via USB. Originally intended to extend e-book access to owners of very old Kindles without Wi-Fi connectivity, the feature has also made it easier for people to download and store copies of the e-books they've bought, reducing the risk that Amazon might make changes to their text or remove them from the Kindle store entirely.

The "Download & transfer via USB" option on Amazon's site is going away this Wednesday, February 26. People who want to download their libraries to their PC easily should do so within the next two days. This change only affects the ability to download these files directly to a computer from Amazon's website—if you've downloaded the books beforehand, you'll still be able to load them on your Kindles via USB, and you'll still be able to use third-party software as well as the Send to Kindle service to get EPUB files and other books loaded onto a Kindle.

Downloading files to your PC through Amazon's site is still possible, but it's going away later this week. Credit: Andrew Cunningham

For typical Kindle owners who buy their books via Amazon's store and seamlessly download them to modern or modern-ish Kindle devices over Wi-Fi, you likely won't notice any change. The effects will be noticed most by those who use third-party software like Calibre to manage a local e-book library and people who have hopped to other e-reader platforms who want to be able to download their Kindle purchases and strip them of their DRM so they can be read elsewhere.

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A username and password just won't cut it anymore. Users around the world logging into Gmail have often relied on Google SMS pings to securely access their accounts, but that's changing. Google now hopes to move beyond SMS, which has become so frequently abused that it negates any supposed security benefit. Instead of using SMS, the company will reportedly switch to using QR codes.

Currently, Google sends SMS codes for two reasons: to confirm that a new login is legitimate and to block spammers from opening Gmail accounts in bulk. You type in your credentials, and a moment later, Google texts a six-digit code for you to enter as well. It's not a terribly arduous process, and it can help protect your account, but SMS is not very secure.

SMS messages are delivered by mobile carriers without encryption, and they often go through intermediaries that can be compromised without your knowledge. Even if the line is secure, phone numbers have very little in the way of security.

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On Monday, Apple announced plans to invest more than $500 billion in the US over the next four years.

This is the "largest-ever" spending commitment that Apple has made in the US, supporting "a wide range of initiatives" focused on artificial intelligence, chip manufacturing, advanced research and development, and worker training. About 20,000 jobs will be created over those four years, Apple said, "of which the vast majority will be focused on R&D, silicon engineering, software development, and AI and machine learning."

Apple's plans include building a 250,000-square-foot server-manufacturing facility in Houston—which will open in 2026 and "play a key role in powering Apple Intelligence" and supporting AI cloud computing, Apple said. The tech giant will also "continue expanding data center capacity in North Carolina, Iowa, Oregon, Arizona, and Nevada," Apple's blog said.

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It was only a few days ago that a certain fear-mongering website named, ahem, Ars Technica published an article about the prospect of a killer asteroid striking the planet Earth in the year 2032.

At the time, the odds of a small asteroid first discovered late last year—and designated 2024 YR4—hitting us were non-negligible. There was an estimated 3.2 percent chance that the large rock would impact the planet eight years from now.

In the days since then, the odds have fallen dramatically. Based on the latest estimate from NASA, there is now just a 0.0039 percent chance. Put another way, the odds of impact are 1 in 26,000.

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Big Tech’s growing use of data centers has created related public health costs valued at more than $5.4 billion over the past five years, in findings that highlight the growing impact of building artificial intelligence infrastructure.

Air pollution derived from the huge amounts of energy needed to run data centers has been linked to treating cancers, asthma, and other related issues, according to research from UC Riverside and Caltech.

The academics estimated that the cost of treating illnesses connected to this pollution was valued at $1.5 billion in 2023, up 20 percent from a year earlier. They found that the overall cost was $5.4 billion since 2019.

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New York's law requiring Internet service providers to offer broadband for $15 or $20 a month has spurred legislative efforts in other states to guarantee affordable service for people with low incomes. So far, legislators in Vermont, Massachusetts, and California have proposed laws inspired by the New York requirement.

Christopher Morrow, a newly elected Democratic state legislator in Vermont, introduced a bill on January 29 that is modeled on New York's law. "Affordability is a big issue in Vermont and there are many stories of children who couldn't study properly during COVID for lack of Internet," Morrow told Ars. "It exposed the digital divide. This is a small gesture to help folks out."

Despite industry attempts to block the New York law and other broadband regulations, courts have made it clear that states can impose stricter requirements on Internet service when the Federal Communications Commission isn't regulating Internet providers as common carriers under Title II of the Communications Act. That's the situation right now after a federal appeals court blocked a Biden-era FCC order that classified ISPs as common carriers and imposed net neutrality rules.

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It's hard to believe it's been 50 years since the release of The Stepford Wives, a film based on the 1972 novel of the same name by Ira Levin. It might not be to everyone's taste, but its lasting cultural influence is undeniable. A psychological horror/thriller with a hint of sci-fi, the film spawned multiple made-for-TV sequels and a campy 2004 remake, as well as inspiring one of the main characters in the hit series Desperate Housewives. The term "Stepford wife" became part of our shared cultural lexicon, and Jordan Peele even cited the film as one of the key influences for his 2017 masterpiece Get Out.

(Spoilers below for the novel and both film adaptations.)

Levin's novels were a hot commodity in Hollywood at the time, especially after the success of his most famous novel, Rosemary's Baby (1967), adapted into a 1968 horror film starring Mia Farrow. (The novels A Kiss Before Dying, The Boys from Brazil, Sliver, and Levin's play Deathtrap were also adapted to film.) The plot of the The Stepford Wives film follows the novel's plot fairly closely.

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When he realized that Senate Republicans were characterizing his federally funded research project as one of many they considered ideological and of questionable scientific value, Darren Lipomi, chair of the chemical engineering department at the University of Rochester, was incensed. The work, he complained on social media, was aimed at helping “throat cancer patients recover from radiation therapy faster.” And yet, he noted on Bluesky, LinkedIn, and X, his project was among nearly 3,500 National Science Foundation grants recently described by the likes of Ted Cruz, the Texas Republican and chair of the powerful Senate Committee on Commerce, Science, and Transportation, as “woke DEI” research. These projects, Cruz argued, were driven by “Neo-Marxist class warfare propaganda,” and “far-left ideologies.”

“Needless to say,” Lipomi wrote of his research, “this project is not espousing class warfare.”

The list of grants was compiled by a group of Senate Republicans last fall and released to the public earlier this month, and while the NSF does not appear to have taken any action in response to the complaints, the list’s existence is adding to an atmosphere of confusion and worry among researchers in the early days of President Donald J. Trump’s second administration. Lipomi, for his part, described the situation as absurd. Others described it as chilling.

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Found in the forests of Papua New Guinea, Indonesia, and Eastern Australia, birds of paradise are famous for flashy feathers and unusually shaped ornaments, which set the standard for haute couture among birds. Many use these feathers for flamboyant mating displays in which they shape-shift into otherworldly forms.

As if this didn’t attract enough attention, we’ve now learned that they also glow in the dark.

Biofluorescent organisms are everywhere, from mushrooms to fish to reptiles and amphibians, but few birds have been identified as having glowing feathers. This is why biologist Rene Martin of the University of Nebraska-Lincoln wanted to investigate. She and her team studied a treasure trove of specimens at the American Museum of Natural History, which have been collected since the 1800s, and found that 37 of the 45 known species of birds of paradise have feathers that fluoresce.

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The mantis shrimp comes equipped with its own weapons. It has claws that look like permanently clenched fists that are known as dactyl clubs. But when it smashes the shells of its prey, these fists come out of it undamaged.

When throwing punches, mantis shrimp can strike at the speed of a .22 caliber bullet (about 1,316 kmph or 818 mph)—one of the fastest movements in the animal kingdom. That generates a force over a thousand times their body weight. However, unleashing that much energy can backfire because the shockwaves it produces could seriously damage an animal’s soft tissue. None of that seems to affect the mantis shrimp. Now we finally know why.

When a team of researchers from Northwestern University studied the dactyl clubs of one mantis shrimp species, they found that they have layered structures that selectively block sound waves, acting as protective gear against vibrations that could otherwise harm the shrimp. These types of structures, known as phononic mechanisms, filter out sound waves that could otherwise cause nerve and soft tissue trauma.

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GARDEN GROVE, Calif.—There's no shortage of companies looking to reinvent the delivery experience using everything from sidewalk drones to electric vans. Some are succeeding, but many more have failed by trying to radically rethink the simple, age-old task of getting stuff from one place to another.

Harbinger likewise wants to shake up part of that industry but in a decidedly understated way. If you found yourself stuck in traffic behind one of the company's all-electric vehicles, there's a good chance you wouldn't even notice. The only difference? The lack of diesel smoke and clatter.

From the outside, Harbinger's pre-production machine looks identical to the standard flat-sided, vinyl-wrapped delivery vehicles that seemingly haven't changed in decades. That's because they really haven't. Those familiar UPS and FedEx machines are built on common chassis like Ford's F-59 or Freightliner's MT45, with ladder chassis and leaf spring designs dating back to the earliest days of trucking.

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Isar Aerospace, a German startup founded seven years ago, is positioned to become the first in a new generation of European launch companies to reach orbit with a privately funded rocket.

The company announced Friday that the first stage of its Spectrum rocket recently completed a 30-second test-firing on a launch pad in the northernmost reaches of mainland Europe. The nine-engine booster ignited on a launch pad at Andøya Spaceport in Norway on February 14.

The milestone follows a similar test-firing of the Spectrum rocket's second stage last year. With these two accomplishments, Isar Aerospace says its launch vehicle is qualified for flight.

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An ongoing measles outbreak that began in one of Texas' least vaccinated counties has mushroomed to 90 cases across a cluster of seven counties in the state, according to an update by the Texas Department of State Health Services on Friday.

The outbreak may have also spread across the border to New Mexico, where nine cases have been reported. In an email to Ars, Robert Nott, the communications director for the New Mexico Department of Health, said that as of today, the department has not confirmed a connection between the nine cases and any of the confirmed cases in Texas.

However, all nine of the cases are in Lea County, New Mexico, which sits at the border with Gaines County, Texas, the epicenter of the outbreak. Of Texas' 90 cases, 57 are in Gaines, which has a vaccination rate among kindergartners of just 82 percent this school year. The lack of a clear connection between the Texas and New Mexico cases may be yet more worrying because it suggests undetected community spread and a heightened risk of transmission in Lea, the health department noted in an alert last week.

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You might suspect that a one-line bill about Bigfoot that bears the number "666" is a joke, but AB-666 is apparently a serious offering from California Assemblymember Chris Rogers. Rogers represents a California district known for its Bigfoot sightings (or "sightings," depending on your persuasion—many of these have been faked), and he wants to make Bigfoot the "official cryptid" of the state.

His bill notes that California already has many official symbols, including the golden poppy (official flower), the California redwood (official tree), the word "Eureka" (official motto), the red-legged frog (official amphibian), the grizzly bear (official animal), swing dancing (official dance), and the saber-toothed cat (official fossil). The state has so many of these that there are separate categories for freshwater fish (golden trout) and marine fish (garibaldi). So why not, Rogers wants to know, "designate Bigfoot as the official state cryptid"?

That's... pretty much the bill, which was introduced this week and already has Bigfoot advocates excited. SFGate talked to Matt Moneymaker, who it describes as "a longtime Bigfoot researcher and former star of the Animal Planet series Finding Bigfoot," about the bill. Moneymaker loves it, noting that he has personally “had a face-to-face encounter one time, after which I was absolutely sure they existed because I had one about 20 feet in front of me, growling at me.”

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More than a year’s worth of internal communications from one of the world’s most active ransomware syndicates has been published online in a leak that exposes tactics, trade secrets, and internal rifts of its members.

The communications come in the form of logs of more than 200,000 messages members of Black Basta sent to each other over the Matrix chat platform from September 2023 to September 2024, researchers said. The person who published the messages said the move was in retaliation for Black Basta targeting Russian banks. The leaker's identity is unknown; it’s also unclear if the person responsible was an insider or someone outside the group who somehow gained access to the confidential logs.

How to be your own worst enemy

Last year, the FBI and Cybersecurity and Infrastructure Security Agency said Black Basta had targeted 12 of the 16 US critical infrastructure sectors in attacks mounted on 500 organizations around the world. One notable attack targeted Ascension, a St. Louis-based health care system with 140 hospitals in 19 states. Other victims include Hyundai Europe, UK-based outsourcing firm Capita, the Chilean Government Customs Agency, and UK utility company Southern Water. The native Russian-speaking group has been active since at least 2022.

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As the owner of a 3-year-old laptop, I feel the finite lifespan of lithium batteries acutely. It's still a great machine, but the cost of a battery replacement would take me a significant way down the path of upgrading to a newer, even greater machine. If only there were some way to just plug it in overnight and come back to a rejuvenated battery.

While that sounds like science fiction, a team of Chinese researchers has identified a chemical that can deliver fresh lithium to well-used batteries, extending their life. Unfortunately, getting it to work requires that the battery has been constructed with this refresh in mind. Plus it hasn't been tested with the sort of lithium chemistry that is commonly used in consumer electronics.

Finding the right chemistry

The degradation of battery performance is largely a matter of its key components gradually dropping out of use within the battery. Through repeated cyclings, bits of electrodes fragment and lose contact with the conductors that collect current, while lithium can end up in electrically isolated complexes. There's no obvious way to re-mobilize these lost materials, so the battery's capacity drops. Eventually, the only way to get more capacity is to recycle the internals into a completely new battery.

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On Wednesday, Clone Robotics released video footage of its Protoclone humanoid robot, a full-body machine that uses synthetic muscles to create unsettlingly human-like movements. In the video, the robot hangs suspended from the ceiling as its limbs twitch and kick, marking what the company claims is a step toward its goal of creating household-helper robots.

Poland-based Clone Robotics designed the Protoclone with a polymer skeleton that replicates 206 human bones. The company built the robot with the hopes that it will one day be able to operate human tools and perform tasks like doing laundry, washing dishes, and preparing basic meals.

The Protoclone reportedly contains over 1,000 artificial muscles built with the company's "Myofiber" technology, which builds on the McKibbin pneumatic muscle concept. These muscles work through mesh tubes containing balloons that contract when filled with hydraulic fluid, mimicking human muscle function. A 500-watt electric pump serves as the robot's "heart," pushing fluid at 40 standard liters per minute.

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PC- and accessory-maker Asus has never been one to shy away from a strange idea, whether it's a tablet that you need to slide your smartphone into before you can use it, a laptop touchpad that's also a screen, or going with "Rock Solid, Heart Touching" as a corporate slogan. But an announcement the company made today stands out: Asus is launching something called the Asus Fragrance Mouse, a fairly regular-looking wireless mouse that also smells.

Yes, the main differentiating feature of the Fragrance Mouse is a "refillable vial" in its underside, next to the place where you put the battery and store its 2.4 GHz USB wireless receiver when not in use. The vial stores "aromatic oils" that "can be washed and refilled with different scents." Asus doesn't make any specific recommendations about the scents that you can put in the vial, so you have a lot of latitude as to what, exactly, you can make your mouse smell like.

Aside from the customizable stink, the Fragrance Mouse is a reasonably full-featured functional PC accessory. It supports Bluetooth as well as the USB wireless dongle, three DPI levels (1,200, 1,600, and 2,400) for customizing responsiveness, and understated white and pink color options. Asus says the mouse's switches are rated for 10 million clicks, ensuring that you will be able to smell your mouse for years to come.

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On May 16, 2024, a powerful derecho swept through Houston, killing seven people and causing significant damage to several of the city's towering skyscrapers. Those buildings were constructed to withstand much stronger hurricane-force winds up to 67 meters per second, as one would get with a Category 4 hurricane. The derecho's winds peaked at 40 meters per second, well below that threshold. And when Hurricane Beryl hit Houston that July with roughly comparable wind speeds of 36 meters per second, the damage wasn't nearly so severe. Why would that be the case?

Engineers at Florida International University (FIU) in Miami think they've found the answer, according to a new paper published in the journal Frontiers in Built Environment. "We show that a type of highly localized strong winds called ‘downbursts,’ which were generated during the May derecho, can significantly impact tall buildings and facades due to their unique characteristics in comparison to hurricanes,” said co-author Amal Elawady. This is particularly the case for skyscrapers that are close together, creating a "wind-channeling" interference effect that increases pressure on walls and windows.

One might assume that hurricanes and derechos are similar in that they both produce markedly intense winds, but the origin and characteristics of those winds are very different, per the authors. Hurricanes are vast tropical storms that form over warm ocean waters and affect large areas, usually lasting for several days, accompanied by heavy rains, storm surges, waves, and yes, high winds. By contrast, derechos and downbursts are much more localized convective systems, producing hurricane-force winds but over a much smaller area and shorter period of time.

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Elon Musk apparently no longer believes that crowdsourcing fact-checking through Community Notes can never be manipulated and is, thus, the best way to correct bad posts on his social media platform X.

Community Notes are supposed to be added to posts to limit misinformation spread after a broad consensus is reached among X users with diverse viewpoints on what corrections are needed. But Musk now claims a "fix" is needed to prevent supposedly outside influencers from allegedly gaming the system.

"Unfortunately, @CommunityNotes is increasingly being gamed by governments & legacy media," Musk wrote on X. "Working to fix this."

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