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A teardown video of LG's never-released Rollable phone helps explain why rollable phones never became a real product category: they were likely too expensive, fragile, and complicated to manufacture at scale. "The complexity of the internals would have made the Rollable extremely expensive to manufacture, and it would have demanded a high price tag," reports Ars Technica. "Durability is also a big concern. There's just a lot going on inside this phone, with multiple motors, springy arms, tracks, and a screen that has to loop around the back. [...] It seems unlikely the LG Rollable could have survived daily use for multiple years." From the report: The LG Rollable is just one of several rollable concept phones that appeared throughout the early 2020s. Flexible OLED screens had finally become affordable, leading to foldable phones like the Samsung Galaxy Z Fold. Although, "affordable" is relative here. Foldables were and still are very expensive devices. Based on what we can see of the complex inner workings of the LG Rollable, these devices may have commanded even higher prices. Noted YouTube phone destroyer JerryRigEverything managed to snag a working prototype LG Rollable. It may even be the unit LG demoed at CES 2021. The device looks like a regular phone at first glance, but a quick swipe activates the motor, which unfurls additional screen real estate from around the back. This makes the viewable area about 40 percent larger without the added thickness of a foldable. The device expands with the aid of two tiny motors, which are attached via straight teeth to an internal track. The screen assembly has zipper-like teeth that keep it locked into the frame as it moves. The motors make a surprising amount of noise when operating, so LG designed the phone to play a musical chime to hide the sound. While the motor does the heavy lifting, the phone also has a lattice of articulating spring-loaded arms inside that keep the OLED panel even as the frame slides side to side. The battery and motherboard sit in a tray that allows the back of the phone to expand as the OLED rolls into view. This is a prototype phone, featuring a chunky frame and visible screws. That helped Zack Nelson from JerryRigEverything successfully disassemble and reassemble the phone. So this little bit of mobile history was not destroyed, and the teardown gives us a good look at how LG was hoping to attract new customers before calling it quits.

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• Up early, out for a run with J. poked at mail, and web bits. hmm. Contemplated the latest barrage of oddity from TDF.
• Set too cutting out cardboard pieces to position tools in the workshop with H. spent qiute some time re-arranging the workshop to try to fit everything in. Binned un-needed junk, moved things around happily. Mended an old light - a wedding present from a friend.
• Relaxed with J. and watched Upload in the evening, tired.

The Associated Press is offering buyouts to U.S. journalists "as part of an acceleration away from the focus on newspaper journalism that sustained the company since the mid-1800s," the not-for-profit outlet reported today. AP says it is making the move from a position of strength, responding to shrinking newspaper revenue and growing demand from digital, broadcast, and tech clients. "The AP is not in trouble," said Julie Pace, executive editor and senior vice president of the AP. "We're making these changes from a position of strength but we're doing so now to recognize our changing customer base." From the report: The news organization is becoming more focused on visual journalism and developing new revenue sources, particularly through companies investing in artificial intelligence, to cope with the economic collapse of many legacy news outlets. Once the lion's share of AP's revenue, big newspaper companies now account for 10% of its income. "We're not a newspaper company and we haven't been for quite some time," [said Pace]. Despite changes -- the company has doubled the number of video journalists it employs in the United States since 2022 -- remnants of a staffing structure built largely to provide stories to newspapers and broadcasters in individual states have remained. That has its roots well back in American history; the AP was started in the mid-19th century by New York newspapers looking to share the costs of reporting outside their immediate territory. The number of AP journalists who will lose jobs is murky, in part intentionally. The AP does not say how many journalists it employs, though it has a large international presence as well as its U.S. staff. Pace said the AP's goal is to reduce its global staff by less than 5%. The Marketing and Media Alliance estimated the AP had 3,700 staffers, but it was not clear when that estimate was made. Since buyouts are being offered now to only U.S. journalists, it stands to reason that the cut among that workforce will be more than 5%. Whether there are layoffs depends on how many people take the offer, Pace said.

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Artemis II has broken the Apollo 13 record for the farthest distance humans have ever traveled from Earth. NASA reports: The Artemis II crew of NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy Hansen have set the record for the farthest distance from Earth traveled by a human mission, surpassing the Apollo 13 record of 248,655 miles set in 1970. NASA Flight Director Brandon Lloyd, Capsule Communicator Amy Dill, and Command and Handling Data Officer Brandon Borter also marked a lighthearted milestone today by emailing the crew what is now assumed to be the longest person-to-person message ever sent in human history. After breaking the record for human spaceflight, crew also took a moment to provisionally name a couple of craters on the Moon, noting they were able to see them with their naked eye. Just northwest of Orientale basin highlighted above is a crater they would like to name Integrity after their spacecraft and this historic mission. Just northeast of Integrity, on the near and far side boundary, and sometimes visible from Earth, the crew suggested Carroll crater in honor of Reid Wiseman's late wife, Carroll Taylor Wiseman. After this mission is complete, the crater name proposals will be formally submitted to the International Astronomical Union, the organization that governs the naming of celestial bodies and their surface features. On April 1, NASA successfully launched humanity's first crewed trip around the Moon in more than 50 years. A couple of days into the mission, attention turned to a more mundane problem when reports said the astronauts had access to "two Microsoft Outlooks" and neither was working properly. By April 4, the crew had passed 100,000 miles from Earth as they continued deeper into space, and by April 6, they had entered the Moon's gravitational pull and caught their first views of the lunar far side.

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Samsung says it will discontinue its Samsung Messages app in July 2026 and is directing Galaxy users to switch to Google Messages instead. Android Central reports: [...] Samsung says users can switch to Google Messages as their default app to maintain a consistent Android messaging experience. The fine print also states that once the app is discontinued, "sending messages via Samsung Messages on your phone will no longer be possible, except for emergency service numbers or emergency contacts defined in your device." Samsung also notes that users will no longer be able to download the Messages app from the Galaxy Store once it is discontinued. Newer devices, including the Galaxy S26 series, already do not support installing Samsung Messages. It is, however, worth noting that users on Android 11 or older are not affected by this change and will still be able to use the Samsung Messages app on their devices. [...] Samsung also warns that on some devices released before 2022, switching apps may temporarily disrupt ongoing RCS conversations. However, chats should resume once both users move to Google Messages. The company also highlights some of the benefits of the switch, including improved security, RCS support, AI features, and better multi-device connectivity.

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An anonymous reader quotes a report from KrebsOnSecurity: An elusive hacker who went by the handle "UNKN" and ran the early Russian ransomware groups GandCrab and REvil now has a name and a face. Authorities in Germany say 31-year-old Russian Daniil Maksimovich Shchukin headed both cybercrime gangs and helped carry out at least 130 acts of computer sabotage and extortion against victims across the country between 2019 and 2021. Shchukin was named as UNKN (a.k.a. UNKNOWN) in an advisory published by the German Federal Criminal Police (the "Bundeskriminalamt" or BKA for short). The BKA said Shchukin and another Russian -- 43-year-old Anatoly Sergeevitsch Kravchuk -- extorted nearly $2 million euros across two dozen cyberattacks that caused more than 35 million euros in total economic damage. Germany's BKA said Shchukin acted as the head of one of the largest worldwide operating ransomware groups GandCrab and REvil, which pioneered the practice of double extortion -- charging victims once for a key needed to unlock hacked systems, and a separate payment in exchange for a promise not to publish stolen data. Shchukin's name appeared in a Feb. 2023 filing (PDF) from the U.S. Justice Department seeking the seizure of various cryptocurrency accounts associated with proceeds from the REvil ransomware gang's activities. The government said the digital wallet tied to Shchukin contained more than $317,000 in ill-gotten cryptocurrency. The BKA believes Shchukin resides in Krasnodar, Russia, where he is from. "Based on the investigations so far, it is assumed that the wanted person is abroad, presumably in Russia," the BKA advised. "Travel behavior cannot be ruled out."

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More Americans have moved into upper-middle-class incomes over the past several decades (source paywalled; alternative source), with new research suggesting that group has grown sharply while the lower and core middle class have shrunk. The Wall Street Journal reports: In 2024, about 31% of Americans were part of the upper middle class, up from about 10% in 1979, according to a report released this year by the right-leaning American Enterprise Institute. There is no single, standard definition of middle class, or upper middle class, and what counts as a hefty income in one city can feel paltry in another. The AEI report, by Stephen Rose and Scott Winship, classified a family of three earning $133,000 to $400,000 in 2024 dollars as upper middle class. Households earning more were categorized as rich. The analysis looked just at incomes, not assets such as stocks or real estate. [...] The gains span generations. Many baby boomers, born to parents who grew up in the Great Depression, are living well on their savings, aided by steady Social Security checks and decades of stock-portfolio gains that they can now tap. Millennials, who everyone worried would be permanently set back by the 2008-09 financial crisis, are earning solid incomes, buying homes and surpassing their parents. Many families are surprised to find that they have moved into this new economic tier, and see themselves as comfortable, not rich. They tend to have jobs that are white collar but not flashy -- think accountants, not tech founders. This doesn't mean that all Americans are climbing the ladder. Entrenched inflation and higher prices on major necessities have pushed many families closer to the financial edge, or locked them out of homeownership. Those costs weigh on high-earning families too, and for many are the reason they don't feel wealthy. The AEI report divided families into five different groups by income. Three groups were in the middle: lower middle class, core middle class and upper middle class. The authors found that more families now fall into the two highest-earning groups -- upper middle class and rich -- and fewer fall into the three lower-earning categories.

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The first week of April 2026 marked a significant escalation in supply chain tactics. A coordinated campaign involving 36 malicious npm packages, disguised as Strapi CMS plugins, was uncovered by security researchers.This was not a broad, opportunistic "grab" for credentials. Forensic evidence, including hardcoded credentials and internal hostname checks, reveals a surgical strike against the cryptocurrency platform Guardarian. By weaponizing a trusted development workflow, attackers achieved a total compromise. Moving from initial execution to database theft and long-term persistence in minutes.

Halter, a New Zealand agtech startup now valued at $2 billion, has raised $220 million to expand its AI-powered cattle management system. "Halter is now valued at $2 billion following the Series E, which was led by Peter Thiel's Founders Fund with participation from Blackbird, DCVC, Bond, Bessemer, and several others," reports Inc. From the report: Halter plans to use the funding to expand its existing footprint in the U.S., Australia, and New Zealand, as well as to grow into new markets such as Ireland, the U.K., and parts of North and South America. The round is one of the biggest to-date in the industry, and comes amid growing adoption of the technology among U.S. ranchers. According to Halter, U.S. ranchers have erected some 60,000 miles of virtual fencing since the company's launch in 2024. Halter's technology works through a system of solar-powered collars and in-pasture towers that collect data -- some 6,000 data points per collar per minute -- from grazing cattle and feed it into a cloud-based platform and app for farmers. The collars are ergonomically designed to be comfortable for the cattle wearing them, and leverage AI to play audio cues or vibrate when it is time to move to a different grazing location or if they step outside of a predetermined zone. The collars can also deliver an electric pulse if an animal does not respond. Halter's app also creates a digital twin of a ranch, which essentially means a digital replica that leverages real-time data to accurately reflect conditions. Farmers can consult the app to check on their herd, or fence, and move cattle with just a few clicks. Halter also has a proprietary algorithm that it calls a "Cowgorithm" trained on seven billion hours of animal behavior. Altogether, this technology is meant to make ranchers' lives easier when herding cattle, help them save money on building physical fencing, and provide insights about pasture management to improve soil health and pasture productivity. Halter says some 2,000 farmers and ranchers currently use its tech worldwide.

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In an earlier blog post we found out that Pystd's simple sorting algorithm implementations were 5-10% slower than their stdlibc++ counterparts. The obvious follow up nerd snipe is to ask "can we make the Pystd implementation faster than stdlibc++?"

For all tests below the data set used was 10 million consecutive 64 bit integers shuffled in a random order. The order was the same for all algorithms.

Stable sort

It turns out that the answer for stable sorting is "yes, surprisingly easily". I made a few obvious tweaks (whose details I don't even remember any more) and got the runtime down to 0.86 seconds. This is approximately 5% faster than std::stable_sort. Done. Onwards to unstable sort.

Unstable sort

This one was not, as they say, a picnic. I suspect that stdlib developers have spent more time optimizing std::sort than std::stable_sort simply because it is used a lot more.

After all the improvements I could think of were done, Pystd's implementation was consistently 5-10% percent slower. At this point I started cheating and examined how stdlibc++'s implementation worked to see if there are any optimization ideas to steal. Indeed there were, but they did not help.

Pystd's insertion sort moves elements by pairwise swaps. Stdlibc++ does it by moving the last item to a temporary, shifting the array elements onwards and then moving the stored item to its final location. I implemented that. It made things slower.

Stdlibc++'s moves use memmove instead of copying (at least according to code comments).  I implemented that. It made things slower.

Then I implemented shell sort to see if it made things faster. It didn't. It made them a lot slower.

Then I reworked the way pivot selection is done and realized that if you do it in a specific way, some elements move to their correct partitions as a side effect of median selection. I implemented that and it did not make things faster. It did not make them slower, either, but the end result should be more resistant against bad pivot selection so I left it in.

At some point the implementation grew a bug which only appeared with very large data sets. For debugging purposes I reduce the limit where introsort switches from qsort to insertion sort from 16 to 8. I got the bug fixed but the change made sorting a lot slower. As it should.

But this raises a question, namely would increasing the limit from 16 to 32 make things faster? It turns out that it did. A lot. Out of all perf improvements I implemented, this was the one that yielded the biggest improvement. By a lot. Going to 64 elements made it even faster, but that made other algorithms using insertion sort slower, so 32 it is. For now at least.

After a few final tweaks I managed to finally beat stdlibc++. By how much you ask? Pystd's best observed time was 0.754 seconds while stdlibc++'s was 0.755 seconds. And it happened only once. But that's enough for me.

Version:next-20260406 (linux-next) Released:2026-04-06

An anonymous reader quotes a report from TechCrunch: AI skeptics aren't the only ones warning users not to unthinkingly trust models' outputs -- that's what the AI companies say themselves in their terms of service. Take Microsoft, which is currently focused on getting corporate customers to pay for Copilot. But it's also been getting dinged on social media over Copilot's terms of use, which appear to have been last updated on October 24, 2025. "Copilot is for entertainment purposes only," the company warned. "It can make mistakes, and it may not work as intended. Don't rely on Copilot for important advice. Use Copilot at your own risk." Microsoft described the terms of service as "legacy language," saying it will be updated. Tom's Hardware notes that similar AI warnings remain common across the industry, with companies like OpenAI and xAI also cautioning users not to treat chatbot output as "the truth" or as "a sole service of truth or factual information."

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"It's finally time," writes Phoronix — since "no known Linux distribution vendors are still shipping with i486 CPU support." "A patch queued into one of the development branches ahead of the upcoming Linux 7.1 merge window is set to finally begin the process of phasing out and ultimately removing Intel 486 CPU support from the Linux kernel." More details from XDA-Developers: Authored by Ingo Molnar, the change, titled "x86/cpu: Remove M486/M486SX/ELAN support," begins dismantling Linux's built-in support for the i486, which was first released back in 1989. As the changelog notes, even Linus is keen to cut ties with the architecture: "In the x86 architecture we have various complicated hardware emulation facilities on x86-32 to support ancient 32-bit CPUs that very very few people are using with modern kernels. This compatibility glue is sometimes even causing problems that people spend time to resolve, which time could be spent on other things. As Linus recently remarked: 'I really get the feeling that it's time to leave i486 support behind. There's zero real reason for anybody to waste one second of development effort on this kind of issue'..." If you're one of the rare few who still keep the decades-old CPU alive, your best bet will be to grab an LTS Linux distro that keeps the older version of Linux for a few more years.

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Version:6.6.133 (longterm) Released:2026-04-06 Source:linux-6.6.133.tar.xz PGP Signature:linux-6.6.133.tar.sign Patch:full (incremental) ChangeLog:ChangeLog-6.6.133

Russia's "great crackdown" on VPNs — and a clampdown on Telegram's messaging platform — had an unintended side effect, reports Bloomberg. It "triggered the widespread banking outage seen across the country this week, Telegram's billionaire founder Pavel Durov said." "Telegram was banned in Russia, yet 65 million Russians still use it daily via VPNs," Durov said Saturday in a post on Telegram. "The government has spent years trying to ban VPNs too. Their blocking attempts just triggered a massive banking failure; cash briefly became the only payment method nationwide yesterday." Attempts on Friday to limit VPN use could have sparked the disruption affecting banking apps, The Bell and other Russian media reported, citing industry sources who weren't identified. The outage may have been caused by an overload in the filtering systems run by Russia's communications watchdog, according to the reports, with experts warning that major restrictions risk undermining network stability... Separately, payments for Apple Inc.'s app store and other services became unavailable in Russia from April 1, the US company said on its website, without saying why. Earlier, RBC newswire reported that the Digital Development Ministry had asked mobile operators to disable top-ups, which could help limit VPN use.... Durov, who's being investigated in Russia for allegedly aiding terrorist activity, compared the situation in his home country to Iran, where similar restrictions prompted widespread adoption of VPNs instead of the intended shift to state-backed messaging apps. "Welcome back to the Digital Resistance, my Russian brothers and sisters," said Durov, who has lived in Dubai and France in recent years. "The entire nation is now mobilized to bypass these absurd restrictions," he wrote, adding that Telegram would continue adapting to make its traffic harder to detect and block.

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NASA's Artemis astronauts are now entering "the lunar sphere of influence," reports NBC News, "meaning the pull of the moon's gravity will become stronger than Earth's." Now as they begin their swing around the moon, the Artemis astronauts "are chasing after Apollo 13's maximum range from Earth," reports the Associated Press, hoping to beat its distance from Earth by more than 4,100 miles (6,600 kilometers). They'll begin their six-hour lunar flyby 14 hours from now (at 2:45 p.m. ET Monday). But in a space-to-earth interview Saturday with NBC News, the astronauts were already describing their first glimpses of the edge of the far side: [NASA astronaut Christina Koch realized] it looked different from what she was accustomed to on Earth. "The darker parts just aren't quite in the right place," she said. "And something about you senses that is not the moon that I'm used to seeing...." [Astronaut Reid] Wiseman called the flight a "magnificent accomplishment" and said the astronauts' ability to gaze at both Earth and the moon from their spacecraft has been "truly awe-inspiring." "The Earth is almost in full eclipse. The moon is almost in full daylight, and the only way you could get that view is to be halfway between the two entities," he said... And while the early photos of Earth and the moon that [Canadian astronaut Jeremy] Hansen and his colleagues have beamed back have been spectacular, the Canadian astronaut said they pale in comparison to the real deal outside their capsule's windows. "I know those photos are amazing," he said, "but let me assure you, it is another level of amazing up here." And their upcoming six-hour lunar flyby "promises views of the moon's far side that were too dark or too difficult to see by the 24 Apollo astronauts who preceded them," notes the Associated Press: A total solar eclipse also awaits them as the moon blocks the sun, exposing snippets of shimmering corona.... At closest approach, they will come within 4,070 miles (6,550 kilometers) of the moon. Because they launched on April 1, the rendezvous won't have as much of the far lunar side illuminated as other dates would have. But the crew still will be able make out "definite chunks of the far side that have never been seen" by humans, said NASA geologist Kelsey Young, including a good portion of Orientale Basin. They'll call down their observations as they photograph the gray, pockmarked scenes. There's a suite of professional-quality cameras on board, and each astronaut also has an iPhone for more informal, spur-of-the-minute picture-taking... Orion will be out of contact with Mission Control for nearly an hour when it's behind the moon. The same thing happened during the Apollo moonshots. NASA is relying on its Deep Space Network to communicate with the crew, but the giant antennas in California, Spain and Australia won't have a direct line of sight when Orion disappears behind the moon for approximately 40 minutes... Once Artemis II departs the lunar neighborhood, it will take four days to return home. The capsule will aim for a splashdown in the Pacific near San Diego on April 10, nine days after its Florida launch. During the flight back, the astronauts will link up via radio with the crew of the orbiting International Space Station. This is the first time that a moon crew has colleagues in space at the same time and NASA can't pass up the opportunity for a cosmic chitchat.

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The Internet Bug Bounty program "has been paused for new submissions," they announced last week. Running since 2012, the program is funded by "a number of leading software companies," reports InfoWorld, "and has awarded more than $1.5m to researchers who have reported bugs " Up to now, 80% of its payouts have been for discoveries of new flaws, and 20% to support remediation efforts. But as artificial intelligence makes it easier to find bugs, that balance needs to change, HackerOne said in a statement. "AI-assisted research is expanding vulnerability discovery across the ecosystem, increasing both coverage and speed. The balance between findings and remediation capacity in open source has substantively shifted," said HackerOne. Among the first programs to be affected is the Node.js project, a server-side JavaScript platform for web applications known for its extensive ecosystem. While the project team will continue to accept and triage bug reports through HackerOne, without funding from the Internet Bug Bounty program it will no longer pay out rewards, according to an announcement on its website... [J]ust last month, Google also put a halt to AI-generated submissions provided to its Open Source Software Vulnerability Reward Program. The Internet Bug Bounty stressed that "We have a responsibility to the community to ensure this program effectively accomplishes its ambitious dual purpose: discovery and remediation. Accordingly, we are pausing submissions while we consider the structure and incentives needed to further these goals..." "We remain committed to strengthening open source security. Working with project maintainers and researchers, we're actively evaluating solutions to better align incentives with open source ecosystem realities and ensure vulnerability discoveries translate into durable remediation outcomes."

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Version:7.0-rc7 (mainline) Released:2026-04-05 Source:linux-7.0-rc7.tar.gz Patch:full (incremental)

• Slept badly; All Saints in the morning - Easter day. Lovely to play with H. and Jenny - fun - lots of people there.
• Back for a big roast-lamb lunch with visiting family, Tried to sleep somewhat, prepped for the evening service - preaching at the last minute too; ran that, back.
• Caught up with S&C&boys a bit; bid them 'bye, A. staying; rested somewhat, headed to bed.

Last year we went to Japan to finally visit friends after two decades of planning to. Because they live in Fukuoka, we only ended up visiting Hiroshima, Kyoto and Osaka afterwards. We loved it there and as soon as cheap flights became available, booked another one for Tokio, to be legally allowed to cross off Japan as visited.

Now if I were to book the trip today, I probably wouldn't. It's quite a gamble given the geopolitical situation and Asia running out of oil. But making it back, it's been as good as the first one. Visiting only Tokio with a short trip to Kawaguchiko in the Sakura blooming season worked out great.

At the start of the year I promised myself to shoot my Fuji more. And I don't mean the volcano, I mean the my X-T20. I haven't kept the promise at all, always relying on the iphone. Luckily for the trip I didn't chicken out carrying the extra weight and I think it paid off. I did only take my 35mm, as the desire to carry gear has really faded away with the years. As we walked over 120km in the few days my back didn't feel very young even with the little gear I did have.

While the difference in quality isn't quite visible on Pixelfed or my photo website (I don't post to Instagram anymore), working through the set on a 4K display has been a pleasure. Bigger sensor is a bigger sensor.

Check out more photos on photo.jimmac.eu -- use arrow keys of swipe to navigate the set.

Weeklybeats #13.

I also managed to get both of my weeklybeats tracks done on the flight so that's a bonus too!

Japan is probably quite difficult to live in, but as a tourist you get so much to feast your eyes on. It's like another planet. I hope to find more time to draw some of the awesome little cars and signs and white tiles and electric cables everywhere.