Alterslash

the unofficial Slashdot digest
 

Contents

  1. FSF ‘LibreLocal’ Organized From Prison by Iranian Man Jailed for ‘Cyber-Crimes’ After Promoting Free Software
  2. Forget Prompt Engineering: ‘Loop Engineering’ Is All the Rage Now
  3. SpaceX Plans To Build ‘Starpipe’ Natural Gas Pipeline To Fuel Starship Rockets
  4. Bitcoin Drops Again. Skeptical Investment Strategist Calls It ‘Useless’
  5. Astronomers Find Biggest Super-Puff Planets Yet That Are Lighter Than Cotton Candy
  6. US Government Allows Anthropic Limited Release of ‘Mythos’ AI Model, Saying ‘Appropriate Safeguards are in Place”
  7. Microsoft Adds Another Year To Windows 10 Extended Update Program
  8. Airbus Is Ordered To Inspect 16 Jets After Cracks Are Found In Wings
  9. Notion Mail Is Shutting Down
  10. ‘Fingerprints’ of Black Hole’s Event Horizon Detected For First Time
  11. Spain To Require Carriers To Keep Mobile Networks Live During Power Outages
  12. Polestar Banned From Selling Cars In US From Model Year 2027
  13. Trump Administration Asks OpenAI To Stagger Release of New Model
  14. Linux Foundation Launches Akrites To Coordinate AI-Driven Open Source Security
  15. Apple Raises Prices On Macs, iPads, and More By Hundreds of Dollars

Alterslash picks up to the best 5 comments from each of the day’s Slashdot stories, and presents them on a single page for easy reading.

FSF ‘LibreLocal’ Organized From Prison by Iranian Man Jailed for ‘Cyber-Crimes’ After Promoting Free Software

Posted by EditorDavid View on SlashDot Skip
Thursday the Free Software Foundation blogged about this year’s 47 ‘LibreLocal 2026’ meetups, highlighting 10 that took place in Australia, Mexico, the United States, New Zealand, Cameroon, Switzerland, Spain, Argentina, China, and Iran. “Far from each other in many parts of the world, they came together around one unifying belief: free software.”
We envisioned LibreLocal as a collage of in-person community meetups that would bring people together to swap ideas, learn from each other, and celebrate free software. When we asked the free software community to organize LibreLocals last year, the response was very inspirational: 29 different meetups were hosted. After we made the global call this year, we were greeted with an even more enthusiastic response… Organizers hosted LibreLocals in cafes, bars, restaurants, libraries, universities, a computer repair shop, and even as part of a field trip to the System Source Museum, a museum dedicated to the history of computing in Hunt Valley, Maryland, USA.

We also learned that a LibreLocal was organized inside Vakil Abad Prison in Mashhad, Iran by a free software supporter. Originally planned to be held in Shiraz, we were informed of this change in location on the LibreLocal wiki page set up for listing all LibreLocals. The updated entry, by another free software supporter in Iran, reads:

“This year, one of our dedicated activists organized a LibrePlanet event from within prison in Iran. Currently serving a sentence for “cyber-crimes” related to his promotion of free software, he continues to introduce the principles of software freedom to his fellow inmates. We have placed this banner to honor his resilience and the community of individuals in prison who continue to stand for technological freedom. His identity will be revealed when it is safe to do so.”

Advocating for user freedom should never result in a prison sentence. We especially admire and respect the bravery and strength of those who fight for software freedom in the most dangerous and oppressive of environments.
50 people attended the LibreLocal meetup in Switzerland, according to one of the organizers, “forging connections between several local free software stakeholders and strengthening their cohesion.” But the FSF’s blog post stresses these are “ten stories among many more of free software supporters from across the globe… We also thank you our donors and associate members for the support that makes such meetups possible.”

The GNU Press Shop is now open through July 19 for their biannual fundraiser, offering a variety of freedom-respecting novelties including an FSF-branded antisurveillance webcam guard and both technical and philosophical books, like Richard Stallman’s Free as in Freedom (which allegedly has turned up in Anthropic’s training data). Other items include a slick new FSF logo sticker, a brass and zinc GNU “emblem” pin with real gold plating, and a cheeky sticker reminding everyone that "There is no cloud.” And there’s even a plush GNU toy.

Forget Prompt Engineering: ‘Loop Engineering’ Is All the Rage Now

Posted by BeauHD View on SlashDot Skip
An anonymous reader quotes a report from Business Insider:
For the most powerful voices in AI, it’s all about being in the loop. Claude Code creator Boris Cherny recently said he doesn’t write his own AI prompts much anymore. Thanks to loops, he doesn’t have to. “It’s an agent that prompts Claude,” Cherny recently told CNBC, adding, “I don’t write the prompt anymore. Claude writes the prompt, and now I’m talking to that new Claude that is kind of coordinating.” In the same interview, Cherny said that loops and a similar feature were examples of the kind of work he would be proudest of in a decade.

Cherny isn’t the only one embracing “loop engineering.” OpenAI engineer Peter Steinberger, the creator of the viral OpenClaw project, wrote a public reminder to users who are still writing out prompts for AI agents. “Here’s your monthly reminder that you shouldn’t be prompting coding agents anymore,” Steinberger wrote recently on X. “You should be designing loops that prompt your agents.” […] Steinberger shared an example of a loop he uses: “Tell codex to maintain your repos, wake up every 5 minutes and direct work to threads. That makes it easy to parallelize+steer work as needed.”
Claire Vo, founder of ChatPRD and host of the “How I AI,” said, “it’s really just reminding people that you don’t have to use your human fingers to type in a prompt in order for your agent to do work on your behalf.”
The days of directly prompting generative AI coding tools are “kind of over, or at least some think it’s going to be,” Addy Osmani, director of Google Cloud, wrote in his post explaining the concept.

To quote the Bobs

By drh1138 • Score: 4, Funny Thread
So what exactly would you say you *do* here?

Ok.

By jd • Score: 4, Interesting Thread

So you’re telling Claude something vague and washy, then Claude invents a prompt that might vaguely possibly be somehow related to what you want along with a drink that is almost but not entirely quite unlike tea. Claude then recurses through this until it has a Celtic knot so intricate that it has its own Hausdorff dimension. What burps out is a product that is completely useless and patented to the Sirius Cybernetics Corporation.

So it begins

By Rui del-Negro • Score: 3 Thread

So, because blackbox AI wasn’t sloppy and incompetent enough, we now have AI middle managers.

Remember Murphy’s law of delegation: “Teamwork is essential; it allows you to blame someone else when things go wrong.”

Hype after hype

By gweihir • Score: 3 Thread

No solid engineering in sight anywhere. All these houses of cards will have to be torn down and replaced when it becomes obvious how fragile they are.

Always the same crap with the human race…

SpaceX Plans To Build ‘Starpipe’ Natural Gas Pipeline To Fuel Starship Rockets

Posted by BeauHD View on SlashDot Skip
SpaceX plans to begin building an eight-mile natural gas pipeline called “Starpipe" next month to supply its Starbase launch site with fuel for a much higher cadence of Starship launches. The pipeline is expected to enter service in January 2027. Reuters reports:
The pipeline plan, previously reported by Rio Grande Valley Business Journal, signals Musk’s intent to accelerate Starship’s development and lay the groundwork for a faster flight rate. The 40-story rocket is central to SpaceX’s push to expand its Starlink broadband network, deploy orbital AI data center satellites, and eventually carry astronauts to the moon and Mars.

Designed to be fully reusable, Starship uses about 630,000 gallons (2.4 million liters) of liquid methane per launch, currently delivered by hundreds of tanker trucks in an hours-long process incompatible with Musk’s expansion plans. Starship has completed 12 test launches since 2023, but Musk aims to ramp up to dozens, hundreds and eventually thousands of launches a year.

Though it is unusual for a space company to build its own natural gas pipeline for launchpad fuel, Starpipe might only be an initial step in a longer-term plan for SpaceX, which has spent years exploring its own drilling operations near Starbase and throughout Texas, according to a Reuters review of Cameron County land records. SpaceX President Gwynne Shotwell told CNBC on June 12, when the company went public, that the company planned to build pipelines and process its own propellant, and was looking into drilling its own natural gas.

Someday we’ll all have natural gas pipelines.

By shess • Score: 4, Insightful Thread

This is amazing. Hopefully by breaking new ground like this, Musk will be able to bring natural gas to the masses. Can you imagine if they could just build natural-gas pipelines on demand, pretty much wherever you wanted to? This kind of cutting-edge development will truly open new vistas of human endeavor.

Bitcoin Drops Again. Skeptical Investment Strategist Calls It ‘Useless’

Posted by EditorDavid View on SlashDot Skip
Friday Bitcoin closed at just $59,948 — dropping 19% just for June and more than 50% lower than its record high in October of $124,310.

To commemorate the occasion CNBC interviewed long-time bitcoin skeptic Jeremy Grantham, reporting that the 87-year-old cofounder/chief investment strategist of the massive asset-management firm GMO is “predicting it will gradually fade into irrelevance over decades.”
[The] longtime market commentator known for his calls on asset bubbles said bitcoin is a “useless, speculative” asset without intrinsic value, speaking on CNBC’s “Squawk Box” Friday. He also said bitcoin hasn’t outperformed during a bull market and questioned its practical use. "[Over] years and years, decades and decades, it will dwindle away, I suspect — not with a bang, but a whimper,” he said. “It’s not a stable form of value — it just halved … for no particular reason in a strong economy, so you can’t depend on it in that way.”

He added that gold has still delivered solid gains over the same period, even after pulling back from its highs. Bitcoin not only hasn’t proved itself as a useful asset to speculate on, it doesn’t provide any real world utility either, Grantham argued. “People don’t use it to make serious trades, they don’t use it to buy their dinner and pay at the supermarket. … What it does is allows crooks to move money around,” he said.

Bitcoin has become notorious over the years for its dramatic bear market crashes, which has taken it down at least 70% from its peak in every cycle.
The article adds that “many investors believe the current price slump could drag on for several more months.”

He is largely correct

By madbrain • Score: 4, Insightful Thread

Having no intrinsic value means there is no floor to its value, unlike gold which at least exists physically has some uses.

Bitcoin also has strong positive correlation with the stock market, whereas gold does not.

Mark Cuban also recently dumped most of his Bitcoin, stating it “lost the plot” and failed to act as a hedge against inflation and geopolitical turmoil.

If you are trying to smooth your portfolio due to other volatile assets, unfortunately, bitcoin can only make things worse.

I do not personally directly invest in either bitcoin or gold.

Bitcoin is worth nothing but hot air !

By bsdetector101 • Score: 5, Informative Thread
What it does is allows crooks to move money around,” he said. This is why it still exists.

Re:something is useless

By gtall • Score: 5, Insightful Thread

That’s just par for the course, everything el Bunko touches dies: bitcoin, the reflecting pool, human rights, civil rights, minority rights, voting rights, the environment, financial oversight, justice, the Justice Dept., the military, health care, etc… The only think he could touch that would not suck is a vacuum cleaner.

Re:something is useless

By phantomfive • Score: 4, Funny Thread
Trump is known for his competence. He has a lot of skills which allows him to meddle in his underlings’ tasks to help them do it better. I also admire Kim Un for his same approach to using his skillset effectively.

There’s a working group of cryptographers…

By Arrogant-Bastard • Score: 4, Interesting Thread
…who are spending some of their time researching Bitcoin (and other cryptocurrencies) in an attempt to reduce their value to zero.

This isn’t a particularly well-funded or dedicated effort, it’s just something being done ad hoc. So it may go nowhere. But if it does succeed, then it’ll be quite amusing to watch every crypto bro cry as their “investment” suddenly becomes worthless, even to the other fake money criminals.

Astronomers Find Biggest Super-Puff Planets Yet That Are Lighter Than Cotton Candy

Posted by BeauHD View on SlashDot Skip
Astronomers have discovered two Jupiter-sized exoplanets with densities lower than cotton candy, making them the lightest known worlds of their size. The rare “super-puffs,” located about 1,110 light-years away, are likely composed mostly of hydrogen and helium, with follow-up observations by the James Webb Space Telescope expected to probe their atmospheres. The Associated Press reports:
[University of Oxford’s George Dransfield] suspects these fluffy, wispy worlds are probably white or blue, depending on whether the skies there are cloudy — no shades of cotton-candy pink. The planets are probably mostly hydrogen and helium, although it will take follow-up observations by NASA’s Webb Space Telescope to confirm their chemical makeup.

Detected by NASA’s Tess satellite over the past decade, these two especially puffy-puffs orbit a star in the southern constellation Volans, known as the flying fish. The researchers studied the planets’ orbits using telescopes on Earth to determine their density, from 1,110 light-years away. A light-year is nearly 6 trillion miles (9.7 trillion kilometers). Jupiter, by comparison, is as much as 35 times denser than these two lightweights.

Considered rare in the cosmos, super-puffs are thought to form around the disk of gas and dust around a newborn star where there is more gas than dust. They shed much of the material over time, stripping down even more. NASA’s tally of worlds outside our solar system currently stands at nearly 6,300 confirmed. Fewer than 40 are super-puffs, according to Dransfield.
The findings have been published in the journal Monthly Notices of the Royal Astronomical Society.

Super-Puffs?

By 93 Escort Wagon • Score: 4, Funny Thread

Do they live by the super-sea, and frolic in the autumn mist in the land of super-honalee?

I don’t understand how this is surprising

By argStyopa • Score: 4, Interesting Thread

Wouldn’t this be a normal stage on the process of condensation from “cloud of particulates” into a solar system? If this cloud is spinning and will ultimately segregate into distinct planets, presumably at some point in that process those protoplanetary bodies are reasonably discrete but not yet condensed. What am I missing?

Fwiw Jupiter is the largest a body can be before it becomes a brown dwarf; that is, adding mass doesn’t increase the diameter any longer it just increases in density due to electron degeneracy.

US Government Allows Anthropic Limited Release of ‘Mythos’ AI Model, Saying ‘Appropriate Safeguards are in Place”

Posted by EditorDavid View on SlashDot Skip
“The US government has allowed Anthropic to release its powerful Mythos AI model to select companies and organizations,” reports CNN, “revising license requirements after ordering an export block earlier this month in the wake of national security fears.”
Since the export ban earlier in June, “Anthropic has worked with the US government to address risks associated with the Covered Models,” Commerce Secretary Howard Lutnick wrote to the company in a letter dated Friday. In light of progress in that work, Lutnick wrote, “I have determined that appropriate safeguards are in place to permit certain trusted partners to access the Claude Mythos 5 Model.”

The letter does not include permission for Anthropic to release Fable, a less powerful version of Mythos. “We received notice from the US government that Mythos 5, our strongest cybersecurity model, can be redeployed to a small group of cyber defenders and infrastructure providers,” Anthropic said in a statement…

Conversations between Anthropic and the government are expected to continue into the weekend, with an eye to restoring access to Fable, as well, a source familiar with the discussions told CNN.

Re:In other words

By OrangAsm • Score: 4, Funny Thread
It looks like you’re going for world domination. Shall I sketch out some new tariff rates?

Microsoft Adds Another Year To Windows 10 Extended Update Program

Posted by BeauHD View on SlashDot Skip
Microsoft has quietly extended free Windows 10 security updates for consumers by another year, pushing the Extended Security Updates (ESU) program’s end date from October 12, 2026, to October 12, 2027. “The ESU support page was updated with that date, and Microsoft’s blog post on the program has a new editor’s note confirming the change,” reports Ars Technica. From the report:
The prevalence of Windows across so many devices and form factors has given Microsoft a massive customer base for decades, but it has also stymied the company’s efforts to roll out new operating systems. Microsoft famously extended the support window for Windows XP numerous times throughout the 2010s as it became apparent that millions of PCs would never be updated. Windows 10 isn’t quite as entrenched as XP was, but it has still been a slog getting people to upgrade to Windows 11 even nearly five years after release.

Unlike many past Windows updates, Windows 11 required some users to buy new PCs with specific CPU technologies and a Trusted Platform Module (TPM). Microsoft was widely criticized for excluding perfectly serviceable PCs, and that’s turning into a problem in 2026. The AI-driven shortage of storage and memory has made system upgrades vastly more expensive, potentially slowing upgrades. Some have also avoided Windows 11 due to Microsoft’s intense focus on AI features.

The result is that Windows 10 remains stubbornly popular. According to StatCounter data, Windows 10 is still running on about 26 percent of PCs, while Windows 11 sits at 72 percent. That means there are still hundreds of millions of active Windows 10 installs, but those machines will be up to date for at least an additional year.

No good options here

By xack • Score: 5, Insightful Thread
The unemployment crisis plus ram prices means that people are stuck on old computers for longer than they would like, and yes we would all like the penguin to come to the rescue but modern Linux distros are getting bloated too with Wayland and Flatpaks. So we are kind of stuck with Windows 10 until computers become cheaper again. It’s basically an unfortunate situation. Apple will have a similar problem coming up with their Intel Mac users.

Even so…

By Brain-Fu • Score: 5, Insightful Thread

Microsoft should be sued into oblivion for the amount of e-waste it created from perfectly good machines that were not compatible with its latest OS, after it ended official support for its prior OS.

Time for Microsoft to do a Coca Cola

By JoeyRox • Score: 5, Funny Thread
And admit their mistake by releasing “Windows 10 Classic’"

Thank you Microsoft

By fleeped • Score: 5, Insightful Thread

for screwing your OS so badly and making me move to Linux, I’m far happier and I miss nothing, thanks to all the awesome software that is either native (Kate) or cross-platform (JetBrains) or is used as a bridge to windows software (Wine et al). The only thing you’re extending is your pointless hopes for recovery from this unparalled idiotic move to force people to 11.

Re:Even so…

By Bahbus • Score: 4, Informative Thread

Not Microsoft’s problem that manufacturers use shitty parts. TPMs have been included on all standard motherboards for over a decade.

Airbus Is Ordered To Inspect 16 Jets After Cracks Are Found In Wings

Posted by BeauHD View on SlashDot Skip
schwit1 shares a report from The Wall Street Journal:
The European Union Aviation Safety Agency has ordered (PDF) urgent inspections of 16 Airbus A380 planes operated by Emirates and Qantas, after cracks were found in a wing component on some aircraft (source paywalled; alternative source).. Cracks were found during earlier inspections of the wing spars structure, a key component of the wing, EASA said in a directive effective Wednesday. EASA determined that they “could reduce the structural integrity of the wing.”

“To address this potential unsafe condition, Airbus determined that an additional special detailed inspection has to be accomplished,” EASA said. The first group of five aircraft, operated by Emirates, need to be inspected immediately, while the second group of 11 aircraft can be inspected later but within 25 flight cycles, EASA said in a separate statement. From the second group, 10 are operated by Emirates and one by Qantas, the aviation safety agency said.

Re:Would a Spar be Repairable?

By PPH • Score: 5, Informative Thread

Possibly repairable with the application of doubler plates, depending on the extent of cracking. Replacing a wing spar may be uneconomical and result in the aircraft being written off. Such major structural repairs may be possible in other parts of an aircraft. But not so much the wings. The entire weight hangs from those.

Re:Would a Spar be Repairable?

By jd • Score: 5, Interesting Thread

As production has ended, if the A380 is genuinely necessary, then the economics shift somewhat. That doesn’t mean they CAN be replaced, from the sounds of it they can’t* (at least in many cases), but the inability to replace the aircraft would mean that options that aren’t rational become necessary.

*I have to be careful here. If the wing is designed to be the absolute minimum weight possible, then I don’t see how they could be without fully disassembling the entire wing and then reconstructing it from the ground up. And adhesives/welding might mean that just can’t be done. At all. On the other hand, there’s no obvious reason why you couldn’t design a wing to have far more structural support than actually needed AND make spars deliberately maintainable and replaceable. I don’t have an A380 handbook in front of me, so can’t say how Airbus approached this. But it seems improbable that they’re built to be swapped.

Re:Would a Spar be Repairable?

By dunkelfalke • Score: 5, Interesting Thread

The A380-800 wing is massively oversized because it has been designed for the even larger and heavier A380-900 that never went anywhere beyond Catia.

Re:“Emergency Airworthiness Directive”

By Petersko • Score: 5, Informative Thread

“It’s very important and cannot be skipped, but the danger is not imminent” is a perfectly reasonable classification for risk. You used the word “emergency”. They did not.

You would be amazed how many things continue to operate in this middle ground. Like an absurd number of bridges in the United States.

Re:a380 concorde

By ceoyoyo • Score: 5, Interesting Thread

The A380 is already out of production. The airlines that fly A380s really want more though. “Not economical” depends very much on what types of routes you fly and how much landing and takeoff slots cost at the airports you service.

Notion Mail Is Shutting Down

Posted by BeauHD View on SlashDot Skip
Notion announced that it will shut down its email client on September 22. The company says more than half of users already manage email through Notion’s AI agents without opening their inbox, so it is shifting its focus from a traditional email client to agent-run workflows. Engadget reports:
It has published an FAQ for users to make sure that they don’t lose any messages or data in the transition. Most emails will still exist in a Gmail inbox, but customers will need to manually export their drafts, scheduled emails, snippets and auto label instructions.
Notion first began offering Notion Mail after acquiring startup Skiff in 2024.

Can’t Wrap My Head Around Notion

By SlashbotAgent • Score: 3 Thread

What is Notion? From their website they are all things to all people AND AI!!!!! But, I can’t wrap my head around what it actually is, with or without email.

Can anyone explain what it is and/or who its competitors are?

Re:Can’t Wrap My Head Around Notion

By SumDog • Score: 5, Informative Thread
It’s a wiki. It’s an ultra shitty clone of Confluence. We used it at my last company and it sucked ass. Some people use it for general note taking.

Who, and who?

By drinkypoo • Score: 5, Funny Thread

News for nobody. Stuff that doesn’t matter.

Nothing + Claude

By geek • Score: 3 Thread

Notion is really only valuable as a memory/brain for Claude these days. It actually excels at that when used properly. I was also annoyed by their gmail/calendar inetgration though. It really wanted to take over the inbox and tag things how it wanted. I just didn’t understand the point of it.

Re: Never heard of either Notion/Skiff

By Kiffer • Score: 5, Insightful Thread

This is a death spiral for a lot of software and services. “Only 45% of our users use this feature, so we can cut it. Only 15 percent use this feature so we can cut it.” Repeat a couple of times.
But, those features that might have seemed like niche features were the feature that those customers valued. So now, 45% of your users just stop being users. Yes-yes they probably used the other features too, but, they needed the feature that you cut, so they have to go else where to find it.
I’ve seen it over and over. Version 1 of software has 100 features. Version two, developed using Agile Methodologies, some witt sets the priorities for features such that any feature used by fewer than 25% of users is so low a priority that it never gets implemented. That’s enough features that every user uses at least a couple of them, in a non-overlapping mess of usage patterns.
Everyone is unhappy, management decides it’s because they didn’t have needed features and instead had a something that no one actually wanted, but became someone’s personal hill to die on in a planning meeting, and no one can tell him no. So they implement the feature, and 75% of users turn it off… so next update that “feature” can’t be turned off because someone went to bat so hard for it that they can’t cope with the idea that they should have just implemented the missing old features.
Got a bit ranty, don’t use Notion, but it sounds like whoever is in charge has notions.

‘Fingerprints’ of Black Hole’s Event Horizon Detected For First Time

Posted by BeauHD View on SlashDot Skip
Researchers say they detected the first gravitational-wave “fingerprints” of a black hole’s event horizon by analyzing the final moments of the powerful GW250114 merger. The findings support Einstein’s general relativity and may eventually help probe frame dragging and quantum fluctuations near black holes. Phys.org reports:
For the new research published in Nature, an international team of researchers analyzed data from the strongest gravitational wave ever recorded, known as GW250114, detected by the LIGO observatory in January 2025. By isolating the last burst of waves — known as “direct waves” — from this black hole merger, the scientists said they were able to extract information from closer to an event horizon than ever before. “This black hole horizon concept normally appears in science fiction,” lead study author Sizheng Ma of the Perimeter Institute for Theoretical Physics in Canada told AFP. “But now we are really able to touch the region around the horizon with gravitational data,” he added. “Sometimes I cannot believe this is really happening.”

The last stage of two black holes merging is like a spoon stirring a glass of water, Ma explained. The resulting swirl in space creates the ripple of gravitational waves that travel at the speed of light in all directions. If the metaphorical spoon is stirring close enough to the black hole’s event horizon, “this offers us a chance to decode the physics around that region,” Ma said. By supporting the theory of general relativity, the results “proved that Einstein was correct again,” he added.

The scientists emphasized that more research was needed to decipher what can be gleaned about event horizons using this method. But they did detect information about how black holes twist space around themselves as they rotate — a phenomenon known as “frame dragging.” “This is similar to pushing a glass into a table and twisting it, so that the tablecloth winds up around it,” Maximiliano Isi, a gravitational wave astrophysicist at Columbia University, told AFP. In the future, the scientists hope to find signs of tiny changes known as quantum fluctuations. “In this way, we can really probe this near-horizon region to look for new physics,” including searching for a deviation from general relativity, Ma said.

Better description, please

By necro81 • Score: 5, Informative Thread
There’s a lot of breathless reporting going on here (“Sometimes I cannot believe this is really happening.”) And a whole lot of rehashing about gravitational waves, LIGO, etc. - stuff that’s been around for years now. But very, very little explanation about what they’ve actually think they’ve found here. Fingerprints of the event horizon? What the hell does that even mean?

I was able to glean a tiny bit more from the article abstract (lack of Unicode support makes copy/paste difficult):

The horizon of a black hole, the ‘surface of no return’, is characterized by its rotation frequency [Omega_H] and surface gravity [Kappa]. A striking signature is that any infalling object appears to orbit at [Omega_H] owing to frame dragging, while its emitted signals decay exponentially at a rate set by [Kappa] as a consequence of gravitational redshift. Recent theoretical work [1] predicts that gravitational waves from binary black-hole mergers carry direct imprints of the properties of the merger remnant in the form of a ‘direct wave’. This gravitational-wave component oscillates near 2*[Omega_H], reflecting the horizon’s frame dragging, and decays at an increasing rate characterized by [Kappa], with additional screening from the black hole’s spacetime. Here we report observational evidence of a direct wave in GW2501142, with a 90% credible matched-filter signal-to-noise ratio of [Numbers and Uncertainty values] in the LIGO Hanford (Livingston) detector. The measured properties are in full agreement with theoretical predictions for a Kerr black hole. These findings establish an observational channel to directly measure frame-dragging effects in black-hole ergospheres and explore (near-)horizon physics in dynamical, strong-gravity regimes.

Still, without being in the gravitational-wave field, it’s still pretty hard to see what all the fuss is about.

skeptical astrophysicist

By ZipNada • Score: 3 Thread

From the cited article;

Sean McWilliams, an astrophysicist at West Virginia University, was skeptical that the gravitational wave frequency analyzed by the scientists was actually “dictated” by the event horizon.

For this reason, “the actual observed signal doesn’t really tell us anything about the horizon or the other properties directly related to it,” he told AFP.

Re:Better description, please

By burtosis • Score: 5, Informative Thread
What’s left off this article is the technicality of what an event horizon is, for there are several types depending on how you look at it. For example, there is the formal event horizon, which is the boundary across which light rays internal to it won’t reach outward but this is nebulous and spread out across space and time. Then there is the apparent horizon, which is the colloquial one people are more familiar with that is the schwarzchild radius static in a moment of time and space that is the boundary where light rays can’t escape from. When two black holes merge, as the two separate horizons approach each other, the localized spacetime can become closed off from the rest of the visible universe without passing either of those two radiuses and before they merge because the average mass in that spacetime vicinity forms a horizon around the two merging black holes. PBS Spacetime has a nice episode on it. Detailed measurements of mergers will give us a better understanding of the entire picture of how these events play out and shape spacetime.

Still, without being in the gravitational-wave field, it’s still pretty hard to see what all the fuss is about.

Ha, just like being close to a supernova can cause such extreme neutrino flux you can actually die of radiation from it interacting with your body, being within a couple of horizon widths of the merger can probably put such excessive stress on your body from the force of sloshing space time as to actually kill you. Which is kind of insane.

Re:skeptical astrophysicist

By burtosis • Score: 4, Interesting Thread
The big deal here is the signal to noise ratio was close to 70, whereas most mergers are 20 or less. This lets scientists see the merger, or chirp signal, with much better fidelity. While it’s true it’s not necessarily a smoking gun of any particular new insight, getting cleaner and stronger measurements is what will ultimately show what spacetime is actually doing so that it can be compared to theory.

Spain To Require Carriers To Keep Mobile Networks Live During Power Outages

Posted by BeauHD View on SlashDot Skip
An anonymous reader quotes a report from Reuters:
Spain will require mobile networks to have backup systems that maintain connectivity when power outages occur. Per a royal decree that will be approved by the end of 2026, mobile network operators (MNOs) and infrastructure companies will need to install batteries or other backups to keep service active for at least four hours during a blackout.

The mobile network rules will apply to businesses that serve at least 500,000 users or generate upwards of 50 million euros ($56.9 million) in annual revenue. The decree will stipulate that half of the population will need to be covered by this failsafe within the first year, then 65 percent in the second year and three quarters in the third.

[…] The decree will require other key infrastructure elements to remain up and running for a certain period after a power outage. For instance, control centers that could impact all of Spain if they were to go offline will need to remain in service for at least 24 hours. Emergency call centers will also need to have plans in place to maintain operations, as Reuters notes.
The move is in response to the widespread blackout across the Iberian peninsula in 2025, which left more than 50 million people without power. Experts called it “the most severe and unprecedented blackout that had occurred in Europe in the past 20 years.”

Re:Full Circle

By Firethorn • Score: 5, Interesting Thread

I remember that, but things have improved a lot. A cell tower only takes 1-8kW, and we have drastically better batteries.
Plus, a lot fewer land lines, so need to keep the towers up for emergency services.

Re:You mean they somehow didn’t before?

By test321 • Score: 5, Informative Thread

Nordic:
* Finland: Requirement for 4G is 15 min https://www.kyberturvallisuusk…
* Norway: used to be 2-4 hours; was increased to 8-24 hours after the Spanish blackout https://www.telenor.com/who-we…

Non-Nordic:
* Netherlands (as comparison): These people say the network crashes in 4-8 hours https://www.localmesh.nl/en/co…

Re:cost?

By Alain Williams • Score: 5, Insightful Thread

What will the cost of not doing this be to: customers, emergency services, … ?

Re:Full Circle

By Tapewolf • Score: 5, Informative Thread

All mobile towers have battery backup. It’s a question of time. 24 hours is a lot and I wonder if the people who thought about this considered how achievable this was, especially if your network has a lot of micro cells.

24 hours is for critical infrastructure, “Control centers” as the summary puts it. For cell towers, they only mandated 4 hours which should be a lot easier.

I’m surprised this wasn’t already required

By v1 • Score: 5, Insightful Thread

Here in the USA anyway, cellular service has been considered “critical infrastructure” for quite some time now, mostly due to the decline of landlines. 9-1-1 having high availability has been legally required for a long time, and those requirements shifted to the cellular network as people ditched their land-lines for cell phones at home. So all the towers have short-term (15+ minute) UPS’s and a gas generator that auto starts, with requirements to run periodic tests.

The other part of it though is the towers nowadays require internet access to function. We had a massive storm system move through the area a few years ago with close to tornado-speed “straight-line winds” that took out a huge amount of above-ground internet infrastructure, rendering cell towers functionally disabled despite giving out full bars. There were a few lines still up but everyone’s home internet was either down or spotty, and it was hard to get a cell call to connect. Was llke that for 2-3 weeks, really annoying.

So, power’s not the only thing that needs to be protected to keep cellular service working.

Polestar Banned From Selling Cars In US From Model Year 2027

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Longtime Slashdot reader schwit1 shares a report from autoevolution:
The U.S. Department of Commerce’s Bureau of Industry and Security denied Polestar an authorization under the Connected Vehicle Rule. Polestar will continue to sell its existing inventory of Polestar 3 and 4 crossovers in the United States and will continue to offer support to customers and access to its service network. But no new 2027 models will set wheels on American soil.

The Connected Vehicle Rule is a regulation that restricts the import and sale of vehicles equipped with Vehicle Connectivity Systems (VCS) and Automated Driving Systems (ADS) tied to foreign adversaries, primarily from China and Russia. Polestar is owned by Chinese auto giant Geely, which has also been the parent company of Swedish brand Volvo since 2010. However, Volvo has recently been granted authorization to sell connected vehicles in the United States.

The rule, set out by the Bureau of Industry and Security (BIS), classifies modern vehicles as mobile data centers and is designed to protect national security by keeping sensitive driver data and vehicle control systems out of the hands of foreign governments. Michael Lohscheller, Polestar CEO, confirms that the company is well aware that the automotive industry is entering a new phase, based on regional dynamics. So, Polestar will shift its strategy to its biggest market as it is preparing its exit from the U.S. market.
The report notes that Polestar sold 5,384 cars in the U.S. in 2025, with 60,119 units sold globally.

Re:The best outcome…

By PPH • Score: 5, Insightful Thread

The best possible outcome would be for everyone to release cars with no connectivity or automated driving systems.

Re:Volvo but not Polestar?

By e432776 • Score: 5, Informative Thread
Well, if you need a new EV, I have some Good news! As far as I know this is the only “unconnected” vehicle on the market (I could be wrong). We will see how it sells…

Re:Volvo but not Polestar?

By _merlin • Score: 5, Informative Thread

Volvo is still Swedish, but they don’t sell cars. They sell trucks, earthmoving equipment, marine diesel powerplants, etc. They also own various other brands (e.g. Mack trucks). Volvo-branded cars, like Polestar, are a Geely brand. It’s kind of like how Rolls Royce is still British, but Rolls Royce-branded cars no longer have nothing to do with them, being BMW products.

Re:Volvo but not Polestar?

By gtall • Score: 5, Insightful Thread

Tell us what planet you live on? $70K you say. Let’s deduct from that the cost of taxes, health care, utilities, food, etc. Plus you’ll be wanting to save a bit for a rainy day.

Typical

By Pimpy • Score: 5, Insightful Thread

“The market will regulate itself”

Market shifts towards more competitive Chinese offerings

“No, not like that!”

Trump Administration Asks OpenAI To Stagger Release of New Model

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The Trump administration has reportedly asked OpenAI to stagger the release of GPT-5.6 over security concerns. The model will initially be offered to a small group of partners, with the government “approving access customer by customer during this preview period,” reports The Information. The request came from conversations with the Office of the National Cyber Director and the Office of Science and Technology Policy, the report said.

The worst three words possible

By MpVpRb • Score: 5, Insightful Thread

government approving access

Well well well..

By Vegan Cyclist • Score: 5, Interesting Thread

This sure sounds COMMUNIST to me.

It has achieved super intelligence.

By backslashdot • Score: 5, Funny Thread

Guys, this is a major milestone the AIs have finally achieved a higher intelligence level than the government.

AT the rate pretty soon its IQ will be nearing the upper double digits.

Re:Bygone days.

By Anonymous Coward • Score: 5, Informative Thread

I think Obama was one of our better presidents, but the government loaning Solyndra $535 was WRONG.

Just as a reality check, the loan to Solyndra was just one loan out of hundreds in the Department of Energy loan program, representing 1.6% of the total loans under that program. Despite a few companies that received loans having going bankrupt, overall the loan program made back the money loaned out with interest. The program did not lose money.

Since the program was intended to kick-start development of technologies that that were too risky to get loans from banks, the fact that the majority of the loans were paid back with interest indicates to me that the businesses chosen weren’t risky enough.

Re: Bygone days.

By teg • Score: 5, Informative Thread

Republicans lost two presidential elections, 2008 & 2012, due to running conservative candidates. So they gave up and became a further-left party. Now Obama looks like a relative conservative .. but Clinton & Harris look conservative _too_.

Voters are insisting on left-wing presidents, with the exception of Biden because the initial leftist shock of Trump pt1 was too much to absorb.

The current GOP is not left. They’re extreme right at the moment - fascist-adjacent is not “minimal state”. There’s nothing conservative left, it’s been consumed by right wing populism with a mix of fascism The current administration. It’s corruption, populism, fascim, racism, disdain for knowledge, and plain stupidity in an ugly mix.

Linux Foundation Launches Akrites To Coordinate AI-Driven Open Source Security

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BrianFagioli writes:
The Linux Foundation has announced Akrites, a new initiative to coordinate vulnerability disclosure and remediation for critical open source software as AI dramatically speeds up vulnerability discovery. Founding members include AWS, Google, Microsoft, OpenAI, Red Hat, NVIDIA, IBM, Cisco, JPMorganChase, and others. Akrites will provide a shared Security Incident Response Team (SIRT), a standardized coordinated vulnerability disclosure process, and act as a “maintainer of last resort” for abandoned but widely used packages.

The goal is to reduce duplicate reports, avoid conflicting patches, and help upstream maintainers address vulnerabilities before they can be exploited. As AI makes it easier to find security flaws, can a coordinated industry effort help protect open source, or does it risk giving large corporations too much influence over the ecosystem?
“Akrites is the largest coordinated effort in history to create systems and deploy tooling that leverages the collective power of the community to make everyone safer,” the Linux Foundation said in an open letter. “Akrites participants will contribute engineering resources; work to build and ship fixes; or fund the engineers who do. Some companies have contributed mightily already. The reality is, collectively, we need to contribute more.”

Apple Raises Prices On Macs, iPads, and More By Hundreds of Dollars

Posted by BeauHD View on SlashDot
Apple has sharply raised prices across its Mac, iPad, HomePod, and Apple TV lineups as surging AI-driven demand creates a global memory and storage shortage. Increases range from $30 for the HomePod mini to $1,300 for the M3 Ultra Mac Studio, with Apple CEO Tim Cook saying efforts to shield customers from higher costs had become “unsustainable.” The Verge reports:
On Thursday, the company adjusted the price of its new MacBook Neo, which will now start at $699 instead of $599, while the base MacBook Air will jump to $1,299 from $1,099, as reported earlier by Bloomberg. The 14-inch MacBook Pro is getting an increase as well, going from $1,699 to $1,999. Meanwhile, the iPad Air will now start at $749 instead of $599, while the iPad Pro is increasing to $1,199 from $999.

As spotted by MacRumors, the M4 Max Mac Studio will now cost $2,499, a big jump from $1,999. The M3 Ultra Mac Studio is now priced at $5,299, up from $3,999. Apple is even raising the prices of its HomePod, which now costs $349 instead of $299, as well as bumping the price of the HomePod mini to $129 instead of $99. The Apple TV also now costs $199 instead of $129.

Re:That’s perfectly okay!

By Jeremi • Score: 5, Funny Thread

I’m an Apple fan; I’m typing this on a 2018 Mac Mini that I spent roughly $2K on — but it’s 2026 and that Mac is still running just great. That works out to an amortized cost of about 68 cents per day — which is to say, negligible compared to my other expenses.

Trying to save money by buying cheap computer hardware is like trying to save money by buying single-ply toilet paper — you can do it, sure, but why make your life noticeably worse when the amount of money you’ll save is trivial?

Re:Who’s Who?

By MightyMartian • Score: 5, Insightful Thread

Frankly, the quality of build, the stability of the operating system, and just the plain reliability and features even in the supporting tools exceed Windows. Take the Preview App. The work I can do on PDFs; signatures, annotations, OCR, right out of the box, and built so that the versions on my iPhone and iPad fully integrate, cannot be easily replicated on Windows. Apple just really has an eye for workflow, and making sure the base system and tools fit well into that.

It’s not perfect, to be sure, I wouldn’t want to use Pages as my full time word processor, and Apple, like Microsoft and Google, suffer designed interoperation friction, which does suck. But all in all, I’m just more efficient on a Mac, and in subtle ways I never knew were even problems until I picked a MacBook up the first time. Honestly going to Windows right now is just horrible for me, particular Windows 11, which just feels like constant chaos and out of control busy-ness.

Re:Who’s Who?

By BenBoy • Score: 5, Funny Thread

> Saved myself $1040. That was right before the price hikes.
Oof, bet that hurts. Think of how much you’d have saved if you’d waited until today …

Re:Because they can.

By Mousit • Score: 5, Interesting Thread

They raised prices because they can. The shortage gave them cover.

What really made it blatant was that they also raised prices in their Certified Refurbished store. You know, the store for shit which RAM costs were already long-ago paid.

Re:Because they can.

By radarskiy • Score: 5, Insightful Thread

They raised prices because they can. The shortage gave them cover.

What really made it blatant was that they also raised prices in their Certified Refurbished store. You know, the store for shit which RAM costs were already long-ago paid.

-1, economically illiterate

The increased prices for new items will increase demand for refurbished items. In the short term the supply of refurbished items is constant so the price goes up. In the long term, this creates an incentive to refurbish more marginal items that would require more parts and labor than they could have previously recovered.