Alterslash

the unofficial Slashdot digest
 

Contents

  1. Xbox CEO Says Current Margins ‘Cannot Continue’
  2. OpenAI Says China Launched Influence Campaign To Shape US Attitudes On AI Datacenters
  3. Fully Autonomous Drones Have Killed Human Soldiers For the First Time
  4. Humans Prefer To Walk Anticlockwise, Scientists Find
  5. Solar Beats Coal In the US For the First Month Ever
  6. Microsoft Defender ‘RoguePlanet’ Zero-Day Grants SYSTEM Privileges
  7. Visa Plugs Its Payment Network Into ChatGPT
  8. Valve Discontinues Physical Steam Gift Cards Due To Scammers
  9. Threats Against Politicians Tripled After Meta Changed Its Speech Rules
  10. BYD To Install Thousands of 5-Minute EV Chargers Across Europe
  11. macOS 27 Beta Boots Asahi Linux Off Apple Silicon
  12. German Court Holds Google Liable For False AI Overview Answers
  13. Seattle Enacts Year-Long Ban On New AI Datacenters
  14. Microsoft Smashes Record For Biggest Ever Patch Tuesday Update
  15. Commonwealth Fusion Makes the Physics Case For Its 400 MW Reactor

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.

Xbox CEO Says Current Margins ‘Cannot Continue’

Posted by BeauHD View on SlashDot Skip
Xbox CEO Asha Sharma and Chief Content Officer Matt Booty told staff that Xbox’s current economics “cannot continue,” citing more than $20 billion in spending over five years, declining revenue outside Activision Blizzard King, console supply constraints tied to RAMaggedon, and an overextended studio portfolio. The memo stops short of announcing layoffs, but a Bloomberg report says substantial Xbox cuts are expected after Microsoft’s fiscal year ends on June 30. Engadget reports:
The takeaways are pretty grim. For starters, the simple math of Xbox’s revenue isn’t adding up to success. “Excluding Activision Blizzard King, over the past five years, we have spent over $20 billion on ongoing investments in our content, platform, and hardware subsidy, but our annual revenue has declined nearly half a billion during that time,” the execs state. “Going forward, this cannot continue.” They also acknowledge the impact of RAMaggedon: “We are currently unable to make as many consoles as players want to buy, and we need a new business model and partnerships for hardware as we remain committed to Helix.” (Helix, in this case, is Project Helix, the codename for Xbox’s new console.)

Then there’s the kicker, a renewed admission that Xbox still can’t support the many studios it acquired in the late 2010s in an effort to grow its first-party game ambitions. “We have found ourselves over extended as we executed on changing strategies in a landscape of more readily available content,” the pair said, noting elsewhere that with so many good games, not to mention the plethora of other forms of entertainment available, “Going forward, our competition is attention.”

Translation

By RitchCraft • Score: 3 Thread

We need to funnel more money into our AI, games be damned.

OpenAI Says China Launched Influence Campaign To Shape US Attitudes On AI Datacenters

Posted by BeauHD View on SlashDot Skip
An anonymous reader quotes a report from Politico:
China was likely behind an online influence operation to sway U.S. perceptions of artificial intelligence technology and reshape the debate in Washington around the infrastructure needed to support it, according to research from OpenAI published Wednesday. OpenAI said it caught the influence campaign because China-backed operatives were using ChatGPT to create content for the social media campaign. […] OpenAI’s researchers identified two clusters of ChatGPT users “likely originating from China” who used the AI chatbot to generate social media content “in support of apparent covert influence operations” promoting certain narratives about AI. This includes claims that data center build-outs are raising electricity costs for the average American family and that President Donald Trump has weaponized tariffs to keep the U.S. ahead in the global tech race. These accounts have since been banned, the report said.

One cluster of users asked ChatGPT to generate images and comments pushing these narratives. These comments were then posted on social media by “batches of accounts” posing as Americans, [said Ben Nimmo, principal investigator of intelligence and investigations at OpenAI]. Another cluster identified by researchers used AI to generate social media content criticizing the Trump administration’s tariffs as an attempt to “dominate technological competition.” Prompts used for this campaign were submitted in Simplified Chinese and asked that AI-generated content not include Chinese President Xi Jinping and focus solely on Trump — a possible tell that China was behind the operation, according to the report. Nimmo said that the influence campaign amplified existing public backlash in the U.S. against the creation of new AI data centers, which has resulted in dozens of proposed moratoriums at the local, state and national level.
“Neither campaign appears to have gained much authentic engagement,” Nimmo said. “They’re important for what they reveal about the intentions of influence operators from China, and the narratives they’re testing and seeking to amplify, but not for the impact.”

so what?

By snowshovelboy • Score: 5, Interesting Thread

Who cares? Google is out here trying to influence my opinion on literally everything under the sun. If Google makes me believe I need a new swiffer mop, or that I should care about soccer, or that I should care about whatever interesectional identity is the current flavor of the month: the opinions they helped me get are real opinions. Similarly, just because China influences people’s opinions, that doesn’t invalidate the very real opinions that they have.

Arguing that people’s opinions are irrelevant is a uhhhh.. interesting hot take for people to have who say they believe in democracy. Then again, who published this story again? Maybe they don’t.

Wait! What?

By PPH • Score: 3 Thread

Are we switching from blaming Russia to blaming China now? I didn’t get the memo.

Of course, of course.

By fuzzyfuzzyfungus • Score: 5, Insightful Thread
I, for one, completely trust this objective and disinterested report from a company that has no stake in the ease of ramming datacenter approvals through.

Fully Autonomous Drones Have Killed Human Soldiers For the First Time

Posted by BeauHD View on SlashDot Skip
Longtime Slashdot reader MattSparkes shares a report from NewScientist, captioned: “For years we’ve had unconfirmed reports, rumors, hints… now we know.” From the report:
Fully autonomous drones with no human oversight have killed soldiers on the battlefield for the first time. This is according to a senior figure in the Ukrainian defense industry, marking a watershed moment in warfare. The one-off test involved 10 AI-controlled “Terminator” drones on the front line of the Ukraine war. Russian soldiers were killed.

“We tried it,” says drone-maker Alexander Kokhanovskyy, who supplied the technology and spoke to New Scientist at a press event hosted by the Ukrainian embassy. “It’s a test. We never implemented it [more widely].” The test took place two years ago and involved quadcopter drones that were programmed to fly towards the front line, cover between 3 and 5 kilometres over around 10 minutes and then engage “Terminator mode,” in which an AI model searches for and intercepts targets. “We just launch it and we know everything will be dead — everything that will be found there in this particular area will be dead,” says Kokhanovskyy. “There is no connection to the drone at all, you cannot see the video, nothing… Everything it sees will be killed.”

With no way to tell what the automated drones had seen or targeted, human-piloted drones were sent into the area after the test to manually check results. Victims included “a couple of soldiers, one truck,” says Kokhanovskyy. While there is no recording of the automated drones attacking these targets, it was concluded that the drones had killed them. Kokhanovskyy says that he was not at the test personally but that it was carried out by an unnamed military unit near the cities of Bakhmut and Chasiv Yar as part of a Ukrainian counteroffensive push. The Ukrainian Ministry of Defence did not respond to questions about the test or the current legal position on the use of fully autonomous weapons.

Re:Why Are We (the UK) Helping Ukraine?

By Mascot • Score: 5, Interesting Thread

Striking production facilities, military personnel and supply lines in an invaders own territory is absolutely fair game. Collateral damage is sadly unavoidable. Not all drones will reach their targets, some targets will be based on invalid intel, and civilians might come in harms way as a result. That’s a far cry from Russia’s intentional bombardment of civilians and related infrastructure, though. One is a war crime, the other is not.

Considering reports now are that Russia’s finally on the back foot, it seems Ukraine is doing what it needs to do. If they were wasting munitions on apartment complexes instead of strategic targets, that would not be the case.

Re:Why Are We (the UK) Helping Ukraine?

By Pentium100 • Score: 5, Insightful Thread

During WW2 why did the UK bomb Germany? I mean why didn’t it just defend itself?

Russia invaded Ukraine, Ukraine can hit any military target inside Russia in order to make Russia stop fighting. This is part of defense. Bombing oil refineries, weapons factories and such is a perfectly valid thing to do.Even temporarily taking territory from Russia (that belonged to Russia in 2013) is acceptable. Russia can stop this war at any time - just withdraw its troops from Ukraine and that will be it.

Or do you think that Russia should be allowed to hit targets inside Ukraine, but Ukraine should not be allowed to hit targets inside Russia? Russia seems to think so.

Re:Why Are We (the UK) Helping Ukraine?

By unixisc • Score: 5, Insightful Thread

While I’ve never subscribed to the ideology that Russia was the sole villain in this war, the idea of tying Kyiv’s hands in fighting the war against the Russians baffled me. Either give them unconditional support, and let them fight it however they see fit, or don’t support them at all. I daresay Ukraine might have done a lot better had they mercilessly hit Moscow - maybe demolished the main Kremlin Necropolis, where major Soviet leaders from Stalin to Brezhnev are buried, and which has a spot prepared for Putin as well. What was Putin going to do in response - launch nukes at Kyiv?

However, now the Russian war effort is dying down, as they’re running out of people to recruit in all the other territories outside Moscow & St Petersburg. It looks pretty reminiscent of WWI, when the war effort completely drained the Russians and caused the Soviet revolution. This time, instead of the CPRF, what is more likely to happen would be Russia simply coming apart at the seams and disintegrating. The entire geography of North Eurasia would look pretty unrecognizable

Re:Oh look.

By sabbede • Score: 5, Insightful Thread
70+ years of “Palestinians” (a term invented by the Egyptian Yasser Arafat) refusing to accept the existence of Israel and trying to exterminate the Jews. The dead-enders who refused to become Israeli citizens (as very many of their fellows did) and tried to eradicate Israel the day it was formed. And then again. And then again. And then again…

Re:Oh look.

By CrankyFool • Score: 4, Insightful Thread
(Disclaimer: I’m an Israeli, though rather opposed to the genocidal attempt at ethnic cleansing currently being conducted by my country. That said, keep that in mind in terms of potential bias in this post).

It’s not precisely correct to say that the US has sent hundreds of billions of dollars to Israel. it’s a bit more of a ‘closed ecosystem’ than that — the vast majority of financial support the US has provided Israel has been in the form of weapons and munitions, which Israel has then purchased from US companies. In other words, while in some respects this absolutely is financial and military support of Israel, in addition to that it’s also a vast transfer of tax revenues from us (I’m a tax-paying US citizen these days) to the military-industrial complex and more specifically American companies.

So most of this money has stayed in the US, it’s just been transferred from the people and their representative government to commercial entities.

Humans Prefer To Walk Anticlockwise, Scientists Find

Posted by BeauHD View on SlashDot Skip
fjo3 shares a report from The Guardian:
Tests reveal that when people are ambling about, they have a natural tendency to turn to the left and walk in an anticlockwise direction. “If you simply ask someone to start walking, whether they are wandering around a museum, a supermarket, or even an empty room, it is surprisingly likely that they will drift counterclockwise,” said Dr Inaki Echeverria Huarte at University of Navarra in Spain.

As with many critical discoveries in science, the revelation owes a debt to serendipity. During the pandemic, the researchers ran experiments to see how many people could share a space while keeping a safe distance. On reviewing the video, they noticed that crowds overwhelmingly walked in an anticlockwise direction. The surprise set in motion an entire research project. The scientists conducted a series of experiments in which individual pedestrians or small crowds roamed around enclosed spaces. Time and again, the researchers observed the tendency to walk in an anticlockwise direction.

Suspecting that cultural norms might play a role, the team joined forces with Dr Claudio Feliciani at the University of Tokyo. He found the same results in Japan. The finding held when the researchers accounted for people being right-handed, right-footed and right-eye dominant, and was seen in both male and female walkers. The only difference they spotted was a more pronounced bias in children. “Each of us carries a small personal bias to turn slightly to one side, and when many people share a space, those tiny biases add up into a net counterclockwise rotation,” said Echeverria Huarte.
Researchers think the tendency may be tied to biomechanics: people are not perfectly symmetrical, and the way the brain processes sensory information and coordinates muscles may gently tip walkers toward one side. Right-side dominance may also play a role, especially in running, where anticlockwise movement puts more internal force on the right side of the body and may feel more natural to right-leg-dominant athletes.
“We have tested several ideas and the bias stubbornly keeps showing up, so the exact mechanism is still an open question,” said Echeverria Huarte.

The findings have been published in Nature Communications.

Left vs right hand

By MoogMan • Score: 4, Interesting Thread

I recall that this was discovered a long time ago when sales and marketing people realised that people would tend to turn right after they enter a store. I also seem to recall that this didn’t hold true for left-handed people.

It would be interesting to see data from countries that are left-hand traffic. Streams of people in left-hand traffic countries tend to walk on the left side, and tend to move to the left if someone is walking towards them - which tends to be fun when walking about a right-hand traffic country! Though given these results were also tested in Japan, which is left-hand traffic, I’d expect there isn’t a difference.

Re:Only in the north hemisphere though

By outsider007 • Score: 4, Funny Thread

Actually, on the equator there’s no point in wandering around so they just sit down and eat a banana.

On a related note - castles

By Viol8 • Score: 4, Informative Thread

Most (not all) spiral staircases in medieval castles spiral clockwise so attackers coming up the stairs can’t use their sword arm - which is normally the right arm - to attack the defenders. Meanwhile defenders coming down the other can use their right arm swing. Of course this may have just made left handed swordsmen rather valuable when storming a castle, who knows.

Re:pretty interesting

By pjt33 • Score: 4, Informative Thread

It’s well documented that on entering a theme park most people turn right, but that is consistent with this research: turning right on entering a room means that you walk anticlockwise around it.

Re:Left leg is marginally smaller in most people

By test321 • Score: 4, Interesting Thread

If they are truly panicking and not thinking they will turn the steering wheel to the right as that’s the stronger arm. That’s why countries switched to RHD (right hand drive) instead of the original British way of LHD

Wikpedia reports different interpretations.
1) In the Conestoga wagon, in the absence of a driver bench, the coachman would place himself on the left horse to control the animals with the whip in his right hand. Then the coachman would prefer to drive on the right, to sit closer to the centre of the road and better check the carriages coming in the opposite direction. Therefore Pennsylavnia (origin of this wagon) started using right hand driving in 1792. The wagon became popular in continental Europe, providing incentive for driving to the right. It was not much used in Britain.

2) First motor vehicles had the hand brake outside of the vehicle, to the right side, to be used with the stronger right arm. So the driver seat was on the right. Later manufacturers placed the hand brake in the centre and some also moved the driving seat to the left, to keep the hand brake for the right hand. Then similarly to the horse-drawn wagon, when the driver sits on the left, they prefer to drive on the right of the road.

Many countries swapped to facilitate business with their neighbours, long before individual motor vehicles. Even assuming initial random distribution of left or right, it is enough that one or two big countries to have the same convention for everybody else to follow. And so it happened… By the end of the 18th Century, France drives right due to the popularity of the Conestoga; soon after Napoleon imposes right hand driving in conquered Germany and Netherlands. Neighbour countries chose to swap to right to match this big nucleus.

Belgium swapped in 1899, Austria-Hungary after the empire was split (at end of WW1), Spain did not have a national rule and chose in 1920 to follow France, Portugal followed Spain in 1928. Austria changed under influence of Nazi Germany. Adding that Russia had always been driving to right (a decree of 1752), that’s enough momentum for everybody else in Europe (and their colonies) to swap to the right. Except Britain for not having neighbours.

Solar Beats Coal In the US For the First Month Ever

Posted by BeauHD View on SlashDot Skip
An anonymous reader quotes a report from Electrek:
Solar generated more U.S. electricity than coal for the first month on record in May 2026, according to new analysis from global energy think tank Ember. Solar supplied 12.8% of U.S. electricity during the month, while coal dropped to 12.2%. That’s a dramatic shift in the U.S. power mix. Just five years ago, coal generated 19.7% of U.S. electricity in May, while solar accounted for only 5.4%. U.S. solar generation hit a record 45.5 terawatt-hours (TWh) in May 2026, up 17% from May 2025 and higher than the previous record set last July. Ember says another record could be broken again this summer.

Solar output usually peaks in June or July, but its share of the electricity mix is often highest in spring, when strong sunshine lines up with milder temperatures before summer cooling demand ramps up. May was also the first time solar became the third-largest individual source of electricity in the U.S., behind only natural gas and nuclear. (If solar is included with all other renewables, then they’re the second-largest source of electricity as an overall category of electricity.) Meanwhile, coal keeps sliding (and will continue to slide). Coal generation hit an all-time monthly low of 39.3 TWh in April 2026. Output rose slightly in May to 43.4 TWh, but it was still 11% lower than May 2025 levels. Even with that small rebound, coal couldn’t keep pace with solar’s rapid growth.

Don’t worry

By backslashdot • Score: 5, Funny Thread

Stay calm, no need to panic. We’re still pumping toxic cancer fumes into the air by burning natural gas and oil. Put your mind at ease, your favorite cancer specialists will stay employed. You’ll still get a four star (well, stage 4) cancer experience.

Re:More power for my AI overlord

By Jeremi • Score: 5, Informative Thread

At least we can keep those coal plants running our AI data centers.

I mean, we could, but when the total expenses for building and running a solar farm are less than just the ongoing cost of buying more coal for an existing coal plant (never mind the maintenance or environmental remediation costs), that’s almost literally lighting money on fire. It takes a pretty dedicated idealogue to hold out against the capitalist temptation of making more money solely to show the libs who’s boss, and anyone who does so is likely to find themselves replaced by someone else who can “better maximize shareholder value”. Hence the shift; even Trump can’t stop an idea whose time has come.

Re:incorrect

By fahrbot-bot • Score: 4, Informative Thread

Also the same guy who keeps taking cognitive tests and claims to be acing them. Yes grandpa, you successfully identified the giraffe!

Jon Stewart remarks on The Daily Show …

You’re the only president to take a cognitive test. Let me ask you a question. Why do you think that is?

Why do you think that you’re the only president that that happens to? That for some reason, every time you go to the doctor, which is a lot, the doctor’s always like, “Hey, while you’re here, if you could come over here and just explain very quickly, which one of these is the bear?”

Honestly, I think Trump thinks it’s an intelligence test.

Re:More power for my AI overlord

By Budenny • Score: 4, Interesting Thread

its a noble effort, but you are posting to an environment where everyone here knows that wind+solar+batteries is cheaper than gas or coal, because the wind and the sun are free, and they have no fuel costs. They also know that the only people who are skeptical about this are climate deniers.

These deniers keep talking about something called Net Present Value and claiming that is the correct way to evaluate and compare costs of generating systems. Net Present Value is a concept you will find in all kinds of Corporate Finance textbooks, well, do I need to say more? Its hetero-normative, racist, patriarchal and neo-colonial, and probably Islamophobic and transphobic with it and denies indigenous wisdom. Its on the wrong side of history, like coal, gas and nukes. Of course it pretends that wind+solar+batteries is actually a very expensive technology.

Well it would, wouldn’t it?

Hurray, almost

By CEC-P • Score: 4, Informative Thread
The US could turn off all electricity and cars and use zero energy and Indonesia, India, and China would solely continue to destroy the environment at just about the same rate. Just to put things in perspective.

Microsoft Defender ‘RoguePlanet’ Zero-Day Grants SYSTEM Privileges

Posted by BeauHD View on SlashDot Skip
A researcher using the name Nightmare Eclipse has released a new Microsoft Defender zero-day exploit called “RoguePlanet,” which reportedly works on fully patched Windows 10 and 11 systems and can spawn a command prompt with SYSTEM privileges through a Defender race condition. The release came just hours after Microsoft fixed two previously disclosed flaws during its latest monthly Patch Tuesday drop — its largest Patch Tuesday release ever. BleepingComputer reports:
The researcher shared a proof-of-concept exploit on Tuesday afternoon in a self-hosted Git repository after saying that GitHub and GitLab repositories hosting their exploits had previously been removed by Microsoft. “The exploit is a race condition, so it’s a hit or miss. I have managed to get a 100% success rate on some machines while it struggled to work on others,” Nightmare Eclipse wrote in the repository.

[…] Cybersecurity firm ThreatLocker told BleepingComputer that they successfully reproduced the flaw in their testing and confirmed the exploit worked against fully patched Windows 11 systems with KB5094126 installed, and shared a video demonstrating it. “Our initial analysis confirms that the RoguePlanet exploit is viable and performs as described. Organizations using application allowlisting can prevent the exploit from executing, providing an effective layer of protection against this attack,” Danny Jenkins, CEO of ThreatLocker, told BleepingComputer.

According to Nightmare Eclipse, RoguePlanet was originally developed as a remote code execution vulnerability that exploited Microsoft Defender’s handling of files hosted on remote SMB shares. “In initial development, it was confirmed that this vulnerability was a remote code execution,” the researcher explained in a blog post. “It required an attacker to coerce a victim to open a .vhd(x) in a remote SMB server, succesful exploitation resulted in defender overwriting its own files and obviously the end outcome was an RCE.”

The researcher says another attack scenario could lead to remote code execution simply by coercing a victim into opening an SMB share if symlink evaluation settings were enabled. However, the researcher claims Microsoft silently hardened Defender in mid-May by patching “mpengine!SysIO*" API, which blocked junction attacks. “Rewriting RoguePlanet to make it functional again drained my soul and I couldn’t complete the other scenarios and for now it remains unclear if RoguePlanet is limited to LPE or there is some sort of way to turn it into an RCE,” the researcher wrote.

Sounds obsessive.

By Kernel Kurtz • Score: 3 Thread

“Rewriting RoguePlanet to make it functional again drained my soul and I couldn’t complete the other scenarios and for now it remains unclear if RoguePlanet is limited to LPE or there is some sort of way to turn it into an RCE,” the researcher wrote.

Maybe try to get out more.

Hell Hath No Fury

By bill_mcgonigle • Score: 5, Insightful Thread

like a bounty-seeker scorned.

Shoulda just paid ‘em.

He sounds quite knowledgeable and it looks like he’ll continue whipping Defender until morale improves.

It’s worth noting that the black market would pay handsomely for most of his discoveries but retribution is sweeter than cash.

I get the sentiment.

Re:Sounds obsessive.

By Jeremi • Score: 4, Funny Thread

Maybe try to get out more.

Read your .sig

These disclosures aren’t the worst of it

By Arrogant-Bastard • Score: 3 Thread
The person(s) behind this series of disclosures are clearly highly intelligent, knowledgeable, and industrious. Microsoft should be paying them the minimal acceptable bug bounty — per bug, which is this case is $1M USD. (Anything less than that is an insult.) But of course Microsoft is far too accustomed to lying, cheating, and screwing other people, it’s so embedded in their corporate culture, that it has never occurred to them to even try to do the right thing.

Now to turn my attention to the Subject of this posting. Surely nobody thinks that the person(s) behind this particular effort are the only ones conducting such research. And it is importable that they are the most intelligent, most knowledgeable, and most industrious — in other words, there are probably people out there somewhere who are even better. And, rather ominously, who aren’t doing the world the enormous favor of making these known publicly.

That’s an easy speculation to make, of course, but it’s also congruent with history. “There’s always someone cleverer than yourself” is a wise maxim because in all but a very, very cases it’s accurate. So unless this one of those cases — and I very much doubt that — then there are one or more other person(s) out there discovering bugs of similar severity and consequences, and doing....well, we don’t know what they’re doing with them. If they’re working for national intelligence agencies, then likely stockpiling them for future exploitation. If they’re working for themselves, perhaps packaging and seller them on the open market. There are all kinds of possibilities and none of them bode well.

TL;DR: we have reached the point where it has become painfully obvious that Microsoft can’t secure its own operating system for any even minimally acceptable value of “secure”; every day it becomes more obvious that they’re losing.

Visa Plugs Its Payment Network Into ChatGPT

Posted by BeauHD View on SlashDot Skip
Visa is integrating its payment network with ChatGPT so AI agents can shop and complete purchases on users’ behalf. “It means AI agents can not only recommend products but complete the purchase on the user’s behalf, at potentially any merchant that accepts Visa,” reports the Associated Press. “The payment network’s previous attempts at this technological leap were confined to a single retailer or a small set of enrolled merchants.” From the report:
OpenAI will provide the technology to allow agents to interact, make decisions and initiate purchases through ChatGPT. Visa, the world’s largest payment network outside of China, will provide the payment authorization and fraud monitoring needed to do this at scale. “As AI agents become active participants in the economy, Visa’s focus is to ensure transactions are trusted, secure and seamless,” said Jack Forestell, chief product and strategy officer at Visa.

Speaking at a company event Wednesday in San Francisco Wednesday, Forestell gave an example of a customer telling ChatGPT they’re looking for a pair of wireless headphones under $150. The chatbot would find a pair for sale under those parameters and buy it on behalf of the customer.

Visa and OpenAI did not disclose the financial terms of the collaboration and did not give details on the fees merchants or customers would have to pay. […] Visa says the feature will have guardrails like spending limits, required approval steps and approved merchants for shopping in order to protect consumers and minimize fraud.

No.

By ebunga • Score: 5, Insightful Thread

God no. Please make it stop. What the fuck.

This is madness.

By kertaamo • Score: 5, Insightful Thread

Oh my f****ing God.

I would not trust my best friend with my credit card. Certainly not some devious company with an AI tool.

Call action

By Princeofcups • Score: 4, Insightful Thread

May as well start the class action suit right now. This is going to be a train wreck of a dumpster fire. Popcorn at the ready.

For the discerning consumer …

By fahrbot-bot • Score: 5, Funny Thread

… an example of a customer telling ChatGPT they’re looking for a pair of wireless headphones under $150. The chatbot would find a pair for sale under those parameters and buy it on behalf of the customer.

… who will be happy with just any wireless headphone under $150, sight unseen. Hope they like their new LED Light Up Unicorn Bluetooth Wireless / Wired Headphones from Target for $9.99.

For people who don’t care about what they buy, there’s VISA Chatbot, for everything else, there’s MasterCard. :-)

Re:This is madness.

By Jeremi • Score: 5, Insightful Thread

It’s meant for the rest of the folks, who want to be seen as coooool.

Maybe I don’t read the Zeitgeist as well as I should, but AFAICT anything AI-related is seen as extremely uncool these days (at least, outside of certain tech-topian circles). So if Visa thinks “Adopting AI means people will think we’re cool”, I suspect they are in for a surprise.

Valve Discontinues Physical Steam Gift Cards Due To Scammers

Posted by BeauHD View on SlashDot Skip
Valve is discontinuing physical Steam Gift Cards and says it will stop restocking them as retailers sell through remaining inventory. In a blog post, the company blamed persistent gift card scams as the reason, though Steam Digital Gift Cards will remain available and existing physical cards can still be redeemed. PC Guide reports:
Valve says it has “responded to gift card scams over the years” — but this doesn’t stop scammers from adapting. The Steam creator has actively worked with retailers and law enforcement, among other precautions, to counteract scams, but says the issue can never be fully resolved. Steam Digital Gift Cards will continue to operate as normal.

And other Mom’s get hurt …

By drnb • Score: 5, Interesting Thread

This has been my only gift from my mother for many many years now. She can’t navigate online well to purchase them there. Guess I will have to think of another thing for her to get me. Was a good run and I get the reasoning. Just gonna miss them.

And other Mom’s are getting calls from kids saying the card is already registered and I can’t use it. I need your receipt to prove I am the legitimate owner, please send it. And Mom never saved the receipt because she didn’t know that once she bought the card it became a race between the thief that NFC’d the card on the store kiosk and their daily blind registration attempts, and her kid. And now Mom feel like crap because she not only lost the money but ruined he kid’s Christmas.

FYI, I always saved such receipts expecting trouble, and about half the time the thief won the registration and spending race. And the card people make it so intrusive to get a replacement funded card that I bet some people give up. Why do I went to send my ID screenshots and personal info to people who have demonstrated they already can’t be trusted.

Threats Against Politicians Tripled After Meta Changed Its Speech Rules

Posted by BeauHD View on SlashDot Skip
An anonymous reader quotes a report from Wired:
Last year, Meta radically overhauled the rules around what content it would allow on its platforms. The company claimed that its own efforts policing speech had gone too far and that it would relax the rules around what speech was allowed. “We have been over-enforcing our rules, limiting legitimate political debate and censoring too much trivial content and subjecting too many people to frustrating enforcement actions,” Joel Kaplan, Meta’s chief global affairs officer, wrote in a blog post at the time. Over a year later, new research from the Center for Countering Digital Hate (CCDH) shows the immediate impact of these changes.

The researchers analyzed about 8 million Facebook comments and found that abusive and racist comments targeting both Republican and Democrat lawmakers tripled in the six months after the new rules were put in place. Some categories of abusive comments documented by the researchers saw even sharper rises, with violent threats and hate speech quadrupling during the same period. The report cites specific examples of gendered and racist abuse directed at lawmakers like US representatives Jasmine Crockette of Texas and Byron Daniels of Florida. These comments were not taken down by Meta.

The CCDH researchers also found that threats against President Trump more than doubled in the six months after Meta overhauled its rules. Many of the comments, which included direct threats to his life, could have been classified as felony offenses, the researchers say. […] Comments that violated Meta’s policies around violent threats quadrupled, from 1,800 in the six months before the changes to 7,600 in the six months after. Hate speech comments also quadrupled, from 6,900 to 30,000. Comments that broke Meta’s rules on bullying and harassment doubled, from 15,700 to 39,900.

Zuck loves Trump. Fuck Zuck

By jsepeta • Score: 5, Insightful Thread

Billionaires bought the last election and it was so easy and cheap, it’s difficult to imagine a world where they won’t buy the winner. Zuck made Tons of money from Trump. Y’all are smart enough to know that moderated content = structured data, not entropic horseshit. If I wanted to drink from the toilet, I’d join X/Twitter.

“Speech Rules”

By Valgrus Thunderaxe • Score: 5, Insightful Thread
What is this? The Soviet Union?

You know it’s funny

By rsilvergun • Score: 3 Thread
Lately it seems every time we get more free speech it’s just more racism but having profound you criticize Saint Kirk.

And yeah the people who did mild criticism without glorifying violence and immediately got fired, and there were a couple dozen of them, did win their lawsuits, at least among them that had the money to do a lawsuit.

It’s almost as if right wing extremists are weaponizing free speech and exactly the same way right wing extremists have always weaponized Free speech going all the way back to the Nazis.

I’m not saying we burn the Constitution or anything but I am saying with that we need to be aware of the tactics being used to end democracy. Fascists will use Democratic institutions to kill democracy. Which is something an eighth grader should be able to tell you.

Re:And yet…

By Himmy32 • Score: 5, Informative Thread

For all of the threats to public servants, no one has actually been killed, right?

Maybe you haven’t been paying attention, but yes people have died or had assassination attempts made on them. To think that the political discourse doesn’t have real world effects is naive.

Re:“Speech Rules”

By fahrbot-bot • Score: 5, Interesting Thread

What is this? The Soviet Union?

We’ll have to wait to see if Kristen Welker “accidentally” falls out a window after asking Trump simple questions, like where’s the evidence of election fraud in 2020 or the CA primary, and who’s the leader of Iran, that he clearly couldn’t answer, and asking about his repeated promises of no new wars, that he denied saying, before (almost literally) waddling off in a huff.

Google: Trump interview Kristen Welker

BYD To Install Thousands of 5-Minute EV Chargers Across Europe

Posted by BeauHD View on SlashDot Skip
BYD plans to install 3,000 ultra-fast “Flash Chargers” across Europe by the end of 2027, with the first stations already appearing in Germany and the UK. The Verge reports:
At an estimated cost of 580,000 euros (about $670,000) per charger according to the Financial Times, that would mean a total spend of roughly $2 billion to install the network. The 1,500kW charging stations are significantly more powerful than Tesla’s 500kW V4 Superchargers, though Tesla already has 20,000 chargers installed in Europe. BYD, which has been steadily overtaking Tesla in global sales, says its chargers shouldn’t add undue strain to the energy grid, as they’ll charge cars from batteries which can be topped up overnight.

Any car with a standard CCS charge port can use the Flash Chargers, though only BYD cars equipped with the company’s new Blade Battery can hit the top speeds. Right now there’s only one of those in Europe, the 115,000 euros ($133,000) Denza Z9 GT — it charges to 70 percent in five minutes on the new chargers.

simply can’t post an article without errors

By dfghjk • Score: 3 Thread

“The 1,500kW charging stations are significantly more powerful than Tesla’s 500kW V4 Superchargers, though Tesla already has 20,000 chargers installed in Europe.”

20,000 chargers, NONE of which are 500KW. Tesla has NO 500KW chargers in Europe.

Great job, BeauHD. That’s what you get from stealing articles from the Verge.

Disincentive

By Himmy32 • Score: 4, Insightful Thread

But also factor in a severe financial disincentive where they’d kill the trust in one of their companies that’s raking in the money. Not like there won’t be other CCS compatible charging stations either or use a converter to use the Tesla network. Which is why Open Standards, competition, global commerce are good and keep the peace.

If we get to that point that they turn off their chargers, we’re already heading towards WW3 and all bets are off.

Re:Planning permissions?

By Gilgaron • Score: 4, Informative Thread
Summary says it has an onboard battery so it’ll buffer the local grid itself.

Re:how are they managing the heat?

By John Cavendish • Score: 4, Interesting Thread

Usually rapid chargers produce quite a bit of heat in the battery, …

It depends on the battery chemistry (resistance), BYD specializes in LFP batteries (cheaper, more stable, more reliable, just slightly less capacity/weight) - design and active cooling does the job.

“Thermal Management: BYD’s systems incorporate advanced refrigerant-based and liquid cooling circuits beneath the cells to keep temperatures stable under heavy loads and fast-charging conditions.”

Re:So is it really a good idea

By shilly • Score: 4, Interesting Thread

This is just such a dumb take.

1. Not a huge part of Europe’s infrastructure. 3000 chargers is a small drop in the ocean, Europe has well over 1 million public chargers. Electricity is ubiquitous. Literally the worst that could happen is that someone wouldn’t be able to charge at this particular charger, and would need to use another one instead
2. Many states including European and GCC countries, have just recently found out to their cost that they can’t rely on the US for actually important infrastructure, in the form of munitions for the defence systems they’ve bought such as Patriots. This is an actual threat to national security as opposed to your stupid fantasy.

Everything you say in relation to EVs is stupid. All of it. I wish you’d stop.

macOS 27 Beta Boots Asahi Linux Off Apple Silicon

Posted by BeauHD View on SlashDot Skip
The Asahi Linux team is warning Apple Silicon users not to upgrade to the macOS 27 beta because Apple’s changes to the boot picker and Startup Disk app make Asahi partitions invisible, preventing Linux from booting. The Register reports:
The team added: “If you insist on trying out macOS 27 as soon as possible, please ensure you install a secondary copy of macOS 26 first, or install macOS 27 itself on a secondary volume.” They’ve also updated the installer to prevent installs from running on macOS 27 for now. For anyone who ignored all of the above, “we will not support users who have installed the macOS 27 beta without ensuring at least one stable version of macOS is installed.”

Considering macOS 27 is in beta, the issue may be accidental rather than an attempt by Apple to block Linux on its hardware. The Asahi team said it has filed bug report. The good news for anyone who pulled the trigger on installing the macOS 27 beta is that although the partition might not be visible, it hasn’t gone anywhere. The Asahi team wrote: “If you have already upgraded to the beta and noticed that your Asahi partition has disappeared, do not stress. Your Asahi partition is still there, and you have not lost any data.”

Probably an accident (we shall see)

By CommunityMember • Score: 5, Interesting Thread
I doubt Apple engineers try booting Asahi linux as part of their testing. In the past Apple has also managed to break Asahi boot and Apple engineers have adjusted the bootloader once the issue was identified. That seems like the most likely scenario (this is a beta release, after all).

Whoever put other meaning of Boot in that headline

By greytree • Score: 5, Insightful Thread
Should be booted off Slashdot.

Re:Whoever put other meaning of Boot in that headl

By unrtst • Score: 4, Informative Thread

100% I read that as, “While running macOS 27 beta, it is capable of booting directly into Asahi Linux.”

Wordplay

By Himmy32 • Score: 4, Insightful Thread
I read it as sassy wordplay.

Least of Asahi’s problems

By Guspaz • Score: 5, Informative Thread

Asahi Linux doesn’t really support Apple Silicon in the first place. They have prototype-level quality support for the M1 and M2, and no support at all for the M3/M4/M5/A18. If you want to run Linux on a mac today, virtualization is the only realistic option.

German Court Holds Google Liable For False AI Overview Answers

Posted by BeauHD View on SlashDot Skip
A Munich regional court has ruled (PDF) that Google can be held directly liable for false claims in AI Overviews. The case involved AI Overviews falsely linking two publishers to scams and shady business practices, with the court rejecting Google’s argument that users could simply check the sources themselves. The Decoder reports:
Google’s AI overviews work nothing like traditional search results, the court argues. The AI rewrites and judges results “in its own words and according to its own structure,” the ruling says. In the case at hand, for example, it opened with confident claims like “Yes, [company] is known for dubious business practices,” then built its own structure with a summary, red flags for the alleged scam, and tips for users. The court also found that the AI overview made claims “that are not even made in the search results.” None of the linked sources drew any connection between the plaintiffs and the shady companies the AI mentioned. The court called these “the defendant’s own statements.” Google built the AI, Google offered it to users, so Google owns what it produces, “because it alone has influence over the AI’s offering and the algorithms with which the AI operates.”

The court also examined existing rulings from Germany’s Federal Court of Justice (BGH), which gave traditional search engines and autocomplete limited liability. The BGH had argued that search engine operators were only liable as indirect infringers because they merely made third-party content findable. A proactive duty to check results would threaten how search engines work. The Munich court found that this reasoning doesn’t apply to AI overviews. A regular search engine just points to outside websites. But AI overviews generate “independent, new, and substantive statements” by evaluating and combining content from various third-party sites. And only Google can check those statements, the court said, “at least by comparing the underlying third-party websites with its own statements based on them.” The court also noted that the AI overview is “by no means absolutely necessary” for using the internet. Traditional search results already help users sort through information, the AI overview is just an extra feature.
At the hearing, Google argued that users could check the linked sources themselves to verify if the AI summary was correct. It also said that these users knew “that information generated with AI should not be blindly trusted.” The court rejected this.

Sensible ruling

By bubblyceiling • Score: 5, Insightful Thread
Makes sense. The same standards apply to humans. If we were to tweet something completely made up, there is a chance of legal troubles. So should be the same for AI

Google’s flawed arguments

By Sebby • Score: 5, Insightful Thread

Google’s argument that users could simply check the sources themselves

So why didn’t their super-duper-smart AI do that itself when spitting out the answers then? Wouldn’t a GAN solve this - apparently not possible for a $trillion company.

Re:Disclaimer Isn’t Shown

By Sique • Score: 5, Informative Thread
Here, we have to differentiate two things. First, what you can trust, and here i agree with you. And second, what you can claim. And just because I should not believe you in the first place, does not give you the right to claim false things about someone else.

You are still guilty of libel, and as the court decided, the false claims were not in the links, but hallucinated by the AI. And because Google coded the AI and operated the AI, its products are products of Google, and Google can not claim that they are just reporting about libelous claims as they could have argued with unredacted search results, they just linked to.

Re:Sensible ruling

By StormReaver • Score: 5, Insightful Thread

The technology isn’t mature enough to consider accurate on its own and without human oversight.

And Google knows this, yet gives it prominent placement in front of everything else. That is implicit endorsement of what it is saying, so it is the same as Google saying it. Holding Google responsible is indeed a good ruling.

Re: Sensible ruling

By Fons_de_spons • Score: 5, Informative Thread
Belgium here. Germany is a lot more than bootlickers and Nazi descendants. No worries. You will understand after you graduated from kindergarten. Cheers! Prosit! Schol! Santé!

Seattle Enacts Year-Long Ban On New AI Datacenters

Posted by BeauHD View on SlashDot Skip
Seattle has enacted a one-year moratorium on new datacenters, making it the largest U.S. city to do so as the backlash against AI infrastructure grows across the country. The city council voted unanimously in favor of the ban. The Guardian reports:
Lawmakers have framed the pause as an opportunity to draft regulations specifically targeting the electricity-hungry datacenters being built nationwide to serve the AI sector, and to protect local residents from environmental risks and rising electricity bills. According to Seattle mayor Katie Wilson, the moratorium will also let city officials determine whether datacenters are a “good use of urban land,” and potentially impose new stipulations on their approval, such as requiring developers to invest in local transit and housing initiatives in exchange for construction permits. “There are times when public pressure forces elected officials to do something they don’t want to do, but in other cases, public pressure just supports and helps to spur on elected officials to do things that they already want to do,” said Wilson. “I think this was one of those latter cases.” […]

An amendment to the moratorium that passed unanimously last week allows existing datacenters in Seattle to apply for expansions requiring up to 20 megawatts of additional power during the year-long pause. Activists are concerned that the provision may lead to a spike in datacenters’ demand for power while the moratorium is in place, and may undermine the premise of the pause. Lawmakers justified the amendment as a way to differentiate between the datacenters that already exist in Seattle and serve a civic purpose, like those powering health facilities and emergency-call systems, from large-scale centers designed to serve the AI sector.

Was anyone looking to build there anyway?

By alvinrod • Score: 5, Insightful Thread
Was anyone looking to build a data center in Seattle in the first place? Unless they were going to build something small, there’s not enough space to build a new one and repurposing existing buildings for a data center might not be possible even if the rent weren’t prohibitively expensive compared to building outside of the metro area. Even if a company like Microsoft wanted to build close to their campus, they’d be building a data center in Redmond instead of Seattle proper. There’s still have a much easier time building outside of town because finding a few hundred acres that aren’t already developed in a metro area is difficult as well as hideously expensive.

That’s so Seattle

By ahoffer0 • Score: 5, Insightful Thread

I’m a left leaning Seattlite, but I’m not a fan of Seattle’s empty virtue signaling. It’s so tedious. Go solve a real problem.

Re:Was anyone looking to build there anyway?

By 93 Escort Wagon • Score: 5, Informative Thread

Was anyone looking to build a data center in Seattle in the first place?

Yes.

According to the Seattle Times, in April “four companies approached Seattle City Light about building five large data centers with a combined maximum demand of 369 megawatts — roughly one-third of what the city uses on an average day”.

Re:Seattle, no business wants you.

By ObliviousGnat • Score: 5, Insightful Thread

Being “pro-business” at all costs means being anti-resident, anti-environment, anti-worker, and anti-consumer.

Therefore, being pro-resident, pro-environment, pro-worker or pro-consumer might brand you as being anti-business.

There’s a balance to be had among all of these things. Let’s find that balance.

Rates are going up near Data Center Alley

By kriston • Score: 4, Informative Thread

I live near Data Center Alley, but in an adjacent county with the same electrical provider. Rates are going up. My annual energy usage has gone down 15% but my costs have gone up 30%.

How is this fair in any possible way to residential consumers?!

Microsoft Smashes Record For Biggest Ever Patch Tuesday Update

Posted by BeauHD View on SlashDot Skip
An anonymous reader quotes a report from ComputerWeekly:
Microsoft has issued patches for about 200 flaws in its latest monthly Patch Tuesday drop, blasting past a previous record high of almost 170 common vulnerabilities and exposures (CVEs) set in October 2025. Among a great many others, the latest update from Redmond fixes a total of 32 critical CVEs and three zero-day flaws. Dustin Childs, head of threat awareness at TrendAI’s Zero Day Initiative, said: “We are heading into a high-stakes summer for cyber security. June’s record-shattering drop … is a stark warning that AI is supercharging flaw discovery at an uncontrollable scale. The current number of CVEs shipped by Microsoft this year exceeds the total number of CVEs shipped in all of 2018. It is extraordinary that Microsoft can produce so many patches in a single month, and I expect many testers are wondering what quality issues may exist.”

And with the addition of hundreds of CVEs in Google Chrome and Microsoft Edge (Chromium) and other third-party flaws taking the total to almost 600, Chris Goettl, vice president of security product management at Ivanti, said talk of a ‘Patch Apocalypse’ was no longer unwarranted. “We are in the Patch Apocalypse. The Patch Apocalypse is now,” said Goettl. “This is not intended to be a scare tactic. It is meant to outline the challenge that many organizations were anticipating, but the new generation of LLMs [Large Language Models] has accelerated significantly in the first half of 2026.”

“There are going to be more CVEs resolved by vendors at a faster and more continuous pace than we have ever seen previously. Unfortunately, this will also include more zero-day and n-day exploits than previously seen as well. The window from release from a vendor to exploitation had already shortened to five days as of 2023 threat intelligence data.” Goettl said that many suppliers have acknowledged the need to use AI tools in their security research to identify and resolve flaws, with Oracle, Google Chrome and Mozilla all upping the cadence of their updates. Whether or not Microsoft follows suit remains to be seen.

Re:Yeah! Most incompetent ever! So much winning!

By Luckyo • Score: 4, Insightful Thread

Penetration and vulnerability testing has accelerated massively, to the tunes of hundreds if not thousands of times with modern AI.

The fact that they managed to keep up with this and publish massive amount of patches is a sign of excellence.

And they want this testing to continue, so these are found before they’re exploited to any significant degree.

Are they using Myhos?

By GeekWithAKnife • Score: 4, Interesting Thread
GitHub commits up x14 or something like that…AI is accelerating development and we’ll only slow down if we have a consequent emergency.

…but more to the point AI is helping find and fix more bugs and security issues than ever before. This is a good thing.

Re:Yeah! Most incompetent ever! So much winning!

By sabbede • Score: 4, Insightful Thread
Because they realized you’d then complain about how they kept it secret, and thus that there was no way of pleasing you?

Re:Uncontrollable?

By MachineShedFred • Score: 3 Thread

Oh it’s controllable. I’ll bet there are big levers on electrical panels somewhere in the data center to open the main input circuits.

Barring that, there are plenty of manual ways of cutting electrical cables - anything from bolt cutters to backhoes.

Re:single patch

By HiThere • Score: 4, Informative Thread

Well, and FWIW, there has been a huge increase in the number of
“security fixes” Debian has been downloading recently. I assume the same is true of other Linux distros and probably for Apple, though I don’t think those are made public. Perhaps the BSDs haven’t seen a large uptick.

Commonwealth Fusion Makes the Physics Case For Its 400 MW Reactor

Posted by BeauHD View on SlashDot
Commonwealth Fusion has published five peer-reviewed papers laying out the physics case for ARC, its planned 400 MW fusion power plant, which would follow the company’s smaller SPARC tokamak now under construction. The papers suggest ARC could produce more energy than it consumes using high-temperature superconducting magnets, molten-salt heat extraction, and 15-minute fusion pulses. Ars Technica reports:
ARC will be a tokamak that hosts fusion between hydrogen’s two heavier isotopes, deuterium and tritium. This reaction results in a helium nucleus and releases a neutron and radiation. The helium transfers heat to the plasma, maintaining the conditions needed for fusion, but it is otherwise a waste product, referred to as “ash” in the fusion context. The neutron and radiation, however, are put to use. Part of that use is simply imparting energy into a blanket of molten salt that surrounds the fusion chamber. That energy, in the form of heat, will be used to drive a turbine that produces the electricity. The molten salt includes lithium ions; when one lithium isotope absorbs a neutron, it decays into more helium, plus tritium that can be used as fuel for the reactor. There are isotopes present that will also release additional neutrons, allowing this process to generate sufficient fuel.

Overall, the present design of ARC is expected to produce about 1.13 GW of fusion power, with 500 MW of that extracted as electricity. Some of that (100 MW) will be needed to power the plant’s operations, leaving 400 MW to be sent to the grid. The rest of the energy is either kept in the tokamak to maintain the fusion reactions or lost due to inefficiencies in the heat and energy transfer of the system. There’s a lot of uncertainty about these numbers; the 1.13 GW is just the center of a range of potential values running from 900 MW to 1.3 GW, so the 400 MW output may need to be adjusted up or down accordingly.

Some of that 400 MW comes during periods where fusion is not occurring. The nuclear reactions will occur within 15-minute-long periods that will be interspersed with one minute resets. The resets are meant to be kept short enough that nothing has much of a chance to cool down before it gets heated up again — thermal inertia will let it continue generating power. That will be one of the key differentiators with SPARC, which doesn’t have the heat extraction needed to maintain stable fusion for these long time periods, and so can’t maintain the near constant temperatures needed for reliable power generation.

It’s inevitable that parts of the device will be exposed to radiation and perhaps fusion plasma. The inner walls of the reactor will be shielded by tungsten, which will limit erosion by the conditions. Meanwhile, the vacuum vessel is designed to be replaced every one to two years. The papers note that this flexibility will allow them to make some design changes even after ARC is built. To enable this, the whole tokamak is meant to split in half for maintenance.

Re:What about the cost

By Rei • Score: 5, Informative Thread

Assuming sparc (no power) costs $1 billion, then guessing that arc costs $5 billion and makes 400MW. You could install about 2GW of sea based wind for the same. With such a huge power surplus over fusion you could probably melt rocks to store power for the still days

1) ~$5B is about right for the first ARC plant, but that’s to be expected, because first-of-a-kind plants are always much more expensive. Nth-of-a-kind for ARC is expected to be about $2B.

2) Wind is variable load, not baseload, not load following and certainly not peaking. Its power is worth much less.

3) If you want your wind farm to be able to get through a mere 5 day dunkelflaute and guarantee a steady 400MW output, then, with a 40% round trip efficiency, you have to store 120GWh of thermal energy. Even if your storage is a mere $25/kWh, which is extremely optimistic, that’s $3B. And since your wind farm is throwing a lot of its energy away to the losses inherent with thermal storage, you’re looking at $5B for the wind farm. And then there’s $500M for the power block on top of that. You’re looking at a $8,5B project.

(Of course, thankfully, that’s not actually how we build out high-renewables grids)

Re:The papers suggest ARC could produce more energ

By beelsebob • Score: 5, Interesting Thread

Plus, pretty sure it’s *not* littered with corpses. I think JET is the only reactor that was ever built so far with the goal of being energy positive (and even then, only in terms of fusion energy, not electrical, since it had no generation equipment). It got to a factor 0.72 in its final runs when they went balls to the wall since they didn’t need to avoid damaging the machine. That’s still a little way off, but it’s also nearly 50 years old at this point. It uses copper (not even superconducting, let alone high temperature superconducting) magnets. It’s substantially smaller than ARC, and it rarely ran using tritium due to the handling constraints.

Every other tokamak I can think of has been built with the explicit knowledge that it wasn’t going to be able to reach break even, but would progress research. The amount of energy tokamaks produce has been going up faster than moore’s law has been adding transistors to chips, or at least it had until around the year 2000, when we ran out of new magnet technology to squeeze everything in tighter. Thankfully, as you said, we’ve now got new magnet technology in CFS’s HTS magnets that can roughly double the field strength.

Hopefully when SPARC breaks even some time in the next few years, we’ll be able to more concretely tell the naysayers to shut up.

Re:What about the cost

By beelsebob • Score: 5, Interesting Thread

Yes they do. The high temperature superconducting magnets that commonwealth fusion systems have solve the problem.

The primary problem with the embrittlement is that you need to somehow get the damaged sections of reactor out from between magnets that wrap entirely around them, but you also need to not go anywhere near those damaged bits of reactor, because they’re radioactive. Taking it apart with robots between the magnets and the reassembling the reactor has always seemed like a non starter that would take years.

CFS though have a solution… Specifically, the REBCO tapes that they use can be soldered together with non superconducting materials, and maintain their ability to generate extremely high field strengths. ARC is designed with soldered jumpers in a couple of locations around the magnets, allowing them to take the magnets apart easily. That allows them to remove the entire core of the reactor out, and remove it in one operation using a large gantry crane positioned over the reactor.. Yes, they get a chunk of radioactive waste to deal with, but the reactor gets to keep operating with a new core.

As for as the ecenomics go… well… I’m sure the very first ever fusion plant won’t be ecenomical. However, it’ll immediately start making the second one ecenomical, because it’ll start producing the tritium that they previously had to buy. There’s already a significant number of improvements that can be made documented in the literature. I’m sure the second one will be more ecenomically viable, and the third more so and so on and so forth.

Re:What about the cost

By Rei • Score: 5, Informative Thread

Yeah, so, this is not true.

First off, turning it “to powder” is hyperbole; metals just become increasingly brittle.

Secondly, claiming that there’s “no solution” is not just wrong (there are many), the particular solutions used by Commonwealth are literally discussed in the papers that this Slashdot article is about. Specifically, they use a molten FLiBe breeder blanket to absorb the fast neurons, which also breeds tritium. Since it’s molten, there are no “structural” issues with it at all. The inner core (mainly tungsten) does need periodic replacements (every 1-2 years), but the reactor is designed to be easy to open up for swap-outs. It is treated as an expendable consumable, and is melted down and recast/rebuilt for the next replacement. In terms of complexity, cost, and downtime, it’s probably roughly on par with fission reactor maintenance periods, perhaps superior.

Third, there are many types of magnetic confinement fusion, not just magnetized target fusion. These are less mature than tokamaks, and generally considered more longshots. Even ignoring that the fusion itself is more challenging, they trade something relatively simple - materials science and swapping - for something much harder (immense mechanical and fluid dynamics challenges)

Fourth, if you really hate neutrons, there are also aneutronic fusion designs. Again, though, less mature.

Re:The papers suggest ARC could produce more energ

By Maury Markowitz • Score: 5, Interesting Thread

> All these commenters who think they’re so smart coming out with the same “Fusion power
> is 20 years away and always will be, har har har!”-quip who don’t know a damned thing
> about the field and its progression is so tiring

Well I’m a physicist who has been writing about fusion since my 3rd year E&M thesis in the 1980s, and I say fusion power is 20 years away (at least).

But by all means, explain what makes you an expert on the topic and how I “don’t know a damned thing” in comparison.