An anonymous reader quotes a report from Ars Technica: We've known for months now that Valve is expanding its Linux-based SteamOS operating system beyond the Steam Deck to other handheld PCs, starting with some versions of the Asus ROG Ally. This week, Valve began making some changes to its Steam storefront to prepare for a future when the Deck isn't the only hardware running SteamOS. A new "SteamOS Compatible" label will begin rolling out "over the next few weeks" to denote "whether a game and all of its middleware is supported on SteamOS," including "game functionality, launcher functionality, and anti-cheat support." Games that don't meet this requirement will be marked as "SteamOS Unsupported." As with current games and the Steam Deck, this label doesn't mean these games won't run, but it does mean there may be some serious compatibility issues that keep the game from running as intended. Valve says that "over 18,000 titles on Steam [will] be marked SteamOS compatible out of the gate," and that game developers won't need to do anything extra to earn the label if their titles already support the Steam Deck. SteamOS uses a collection of app translation technologies called Proton to make unmodified Windows applications run on SteamOS. This technology has dramatically improved SteamOS's game compatibility, compared to older SteamOS versions that required games to support Linux natively, but it still can't support every single game that Windows does. Valve says that the "SteamOS Compatible" label isn't meant to imply how well a game will run on the Steam Deck or any other SteamOS handheld but that this label is "just the first step." The company is "continuing to work on ways for people to have a better understanding of how games will run on their specific devices."

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Palantir CEO Alex Karp criticized Europe's AI adoption while praising Saudi Arabia's engineering talent at Tuesday's Saudi-US Investment Forum in Riyadh. "It's like people have given up," Karp said of Europe, while commending Saudi engineers for their "meritocracy and patriotism" and "deep tradition in engineering excellence."

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A California judge slammed a pair of law firms for the undisclosed use of AI after he received a supplemental brief with "numerous false, inaccurate, and misleading legal citations and quotations." From a report: In a ruling submitted last week, Judge Michael Wilner imposed $31,000 in sanctions against the law firms involved, saying "no reasonably competent attorney should out-source research and writing" to AI, as pointed out by law professors Eric Goldman and Blake Reid on Bluesky. "I read their brief, was persuaded (or at least intrigued) by the authorities that they cited, and looked up the decisions to learn more about them -- only to find that they didn't exist," Judge Milner writes. "That's scary. It almost led to the scarier outcome (from my perspective) of including those bogus materials in a judicial order."

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Gilmoure shares a report: U.S. energy officials are reassessing the risk posed by Chinese-made devices that play a critical role in renewable energy infrastructure after unexplained communication equipment was found inside some of them, two people familiar with the matter said. Power inverters, which are predominantly produced in China, are used throughout the world to connect solar panels and wind turbines to electricity grids. They are also found in batteries, heat pumps and electric vehicle chargers. [...] Using the rogue communication devices to skirt firewalls and switch off inverters remotely, or change their settings, could destabilise power grids, damage energy infrastructure, and trigger widespread blackouts, experts said. "That effectively means there is a built-in way to physically destroy the grid," one of the people said, The two people declined to name the Chinese manufacturers of the inverters and batteries with extra communication devices, nor say how many they had found in total.

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Warner Bros. Discovery said Wednesday it will revert its streaming service name from Max back to HBO Max this summer, just two years after dropping the HBO branding. The decision, revealed at the company's upfront presentation to advertisers in New York, represents an admission that HBO's premium brand equity remains valuable in the streaming landscape. "Returning the HBO brand into HBO Max will further drive the service forward and amplify the uniqueness that subscribers can expect," WBD stated in a press release.

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An anonymous reader shares a report: Sony just announced its financial forecast for the next year, and it's expecting to be impacted by tariffs to the tune of 100 billion yen (about $680 million). To compensate, the company says it's considering options including moving manufacturing to the US and increasing prices for consumers. Speaking to investors during the company's earnings call, Sony CFO Lin Tao confirmed that the company is considering "passing on" the price of tariffs to consumers in order to mitigate the impact on its bottom line. Tao didn't mention the PS5 by name though, and it's possible that Sony could try to protect pricing on its console through increases elsewhere in its electronics business. Sony has already increased the price of the PS5 this year, but only in the UK, Europe, Australia, and New Zealand.

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Workers who secured substantial salary increases during the pandemic hiring frenzy are now confronting a stark reality: they're likely overpaid in today's cooling job market. According to new Korn Ferry data, two-thirds of U.S. workers believe they're compensated at or above their market value. The tech sector has experienced significant wage deflation, with expanding pay transparency laws making market corrections impossible to ignore. Only 60% of recent job switchers received raises in Q1 2025, down from 73% just one quarter earlier.

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President Donald Trump's administration has taken a tougher stance on Chinese technology advances, warning companies around the world that using AI chips made by Huawei could trigger criminal penalties for violating US export controls. From a report: The commerce department issued guidance to clarify that Huawei's Ascend processors were subject to export controls because they almost certainly contained, or were made with, US technology. Its Bureau of Industry and Security, which oversees export controls, said on Tuesday it was taking a more stringent approach to foreign AI chips, including "issuing guidance that using Huawei Ascend chips anywhere in the world violates US export controls." But people familiar with the matter stressed that the bureau had not issued a new rule, but was making it clear to companies that Huawei chips are likely to have violated a measure that requires hard-to-get licences to export US technology to the Chinese company.

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An anonymous reader shares a report: U.K. retail giant Marks & Spencer has confirmed hackers stole its customers' personal information during a cyberattack last month. In a brief statement with London's stock exchange on Tuesday, the retailer said an unspecified amount of customer information was taken in the data breach. The BBC, which first reported the company's filing, cited a Marks & Spencer online letter as saying that the stolen data includes customer names, dates of birth, home and email addresses, phone numbers, household information, and online order histories. The company also said it was resetting the online account passwords of its customers. FT adds: Marks and Spencer could claim for losses of as much as $133 million from its cyber insurers following a sustained hack where some customer data was stolen. The UK retailer's cyber policy allows it to claim up to $133 million, according to people familiar with the situation. Allianz is the first insurer on the hook for M&S's losses, the people added, and is expected to pay at least the initial $13.3 million. Cyber specialist Beazley is also among the insurers exposed to losses at the FTSE 100 retailer, according to the people familiar with the situation.

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Longtime Slashdot reader ndsurvivor shares a report from TechCrunch: In 2018, Liangbing Hu, a materials scientist at the University of Maryland, devised a way to turn ordinary wood into a material stronger than steel. It seemed like yet another headline-grabbing discovery that wouldn't make it out of the lab. "All these people came to him," said Alex Lau, CEO of InventWood, "He's like, OK, this is amazing, but I'm a university professor. I don't know quite what to do about it." Rather than give up, Hu spent the next few years refining the technology, reducing the time it took to make the material from more than a week to a few hours. Soon, it was ready to commercialize, and he licensed the technology to InventWood. Now, the startup's first batches of Superwood will be produced starting this summer. "Right now, coming out of this first-of-a-kind commercial plant -- so it's a smaller plant -- we're focused on skin applications," Lau said. "Eventually we want to get to the bones of the building. Ninety percent of the carbon impact from buildings is concrete and steel in the construction of the building." To build the factory, InventWood has raised $15 million in the first close of a Series A round. The round was led by the Grantham Foundation with participation from Baruch Future Ventures, Builders Vision, and Muus Climate Partners, the company exclusively told TechCrunch. How do they do it? According to TechCrunch, InventWood's Superwood is made by treating regular timber with "food industry" chemicals to remove lignin and modify its structure, then compressing it to increase hydrogen bonding between cellulose fibers. This densification makes the wood up to 10 times stronger than natural wood, with a higher strength-to-weight ratio than steel. "You end up with something that looks like these richer, tropical hardwoods," Lau added.

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General Motors is partnering with LG to develop lithium manganese-rich (LMR) batteries, which are safer, denser, and cheaper than current EV battery tech. The automaker aims to begin U.S. production by 2028 and become the first to deploy LMR cells in electric vehicles. Ford also announced it would start adopting LMR batteries for its EVs, but not until 2030. The Verge reports: GM's current crop of electric Chevys and Cadillacs use high-nickel batteries, which supply enough energy for around 300-320 miles of range. The new LMR batteries are denser, with greater space efficiency due to their prismatic shape, enabling up to 400 miles of range, GM says. Prismatic cells are packed flat in rigid cases and are generally thought to be less complex to manufacture than cylindrical cells. Less complexity and cheaper materials will hopefully lead to lower-cost EVs, which has been a significant challenge for the auto industry's shift to electric vehicles. "The EV growth rate is really dependent on how quickly we can bring the costs down over time," says GM's VP for batteries Kurt Kelty. "And this is the biggest lever we have. Batteries make up roughly 30 to 40 percent of the cost of vehicles. And if you can drop that down significantly like we're doing here, then it ends up being a lower cost to the consumer."

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Frequently in programming, we can make a tradeoff: use less (or more) CPU in exchange for using more (or less) memory. Lookup tables are a great example: use a big pile of memory to turn complicated calculations into O(1) operations.

So, for example, implementing itoa, the C library function for turning an integer into a character array (aka, a string), you could maybe make it more efficient using a lookup table.

I say "maybe", because Helen inherited some C code that, well, even if it were more efficient, it doesn't help because it's wrong.

Let's start with the lookup table:

char an[1000][3] = { {'0','0','0'},{'0','0','1'},{'0','0','2'},{'0','0','3'},{'0','0','4'},{'0','0','5'},{'0','0','6'},{'0','0','7'},{'0','0','8'},{'0','0','9'}, {'0','1','0'},{'0','1','1'},{'0','1','2'},{'0','1','3'},{'0','1','4'},{'0','1','5'},{'0','1','6'},{'0','1','7'},{'0','1','8'},{'0','1','9'}, …

I'm abbreviating the lookup table for now. This lookup table is meant to be use to convert every number from 0…999 into a string representation.

Let's take a look at how it's used.

int ll = f->cfg.len_len; long dl = f->data_len; // Prepare length if ( NULL == dst ) { dst_len = f->data_len + ll + 1 ; dst = (char*) malloc ( dst_len ); } else //if( dst_len < ll + dl ) if( dst_len < (unsigned) (ll + dl) ) { // TO DOO - error should be processed break; } long i2; switch ( f->cfg.len_fmt) { case ASCII_FORM: { if ( ll < 2 ) { dst[0]=an[dl][2]; } else if ( ll < 3 ) { dst[0]=an[dl][1]; dst[1]=an[dl][2]; } else if ( ll < 4 ) { dst[0]=an[dl][0]; dst[1]=an[dl][1]; dst[2]=an[dl][2]; } else if ( ll < 5 ) { i2 = dl / 1000; dst[0]=an[i2][2]; i2 = dl % 1000; dst[3]=an[i2][2]; dst[2]=an[i2][1]; dst[1]=an[i2][0]; } else if ( ll < 6 ) { i2 = dl / 1000; dst[0]=an[i2][1]; dst[1]=an[i2][2]; i2 = dl % 1000; dst[4]=an[i2][2]; dst[3]=an[i2][1]; dst[2]=an[i2][0]; } else { // General case for ( int k = ll ; k > 0 ; k-- ) { dst[k-1] ='0' + dl % 10; dl/=10; } } dst[dl]=0; break; } }

Okay, we start with some reasonable bounds checking. I have no idea what to make of a struct member called len_len- the length of the length? I'm lacking some context here.

Then we get into the switch statement. For all values less than 4 digits, everything makes sense, more or less. I'm not sure what the point of using a 2D array for you lookup table is if you're also copying one character at a time, but for such a small number of copies I'm sure it's fine.

But then we get into the len_lens longer than 3, and we start dividing my 1000 so that our lookup table continues to work. Which, again, I guess is fine, but I'm still left wondering why we're doing this, why this specific chain of optimizations is what we need to do. And frankly, why we couldn't just use itoa or a similar library function which already does this and is probably more optimized than anything I'm going to write.

When we have an output longer than 5 characters, we just use a naive for-loop and some modulus as our "general" case.

So no, I don't like this code. It reeks of premature optimization, and it also has the vibe of someone starting to optimize without fully understanding the problem they were optimizing, and trying to change course midstream without changing their solution.

But there's a punchline to all of this. Because, you see, I skipped most of the lookup table. Would you like to see how it ends? Of course you do:

{'9','8','0'},{'9','8','1'},{'9','8','2'},{'9','8','3'},{'9','8','4'},{'9','8','5'},{'9','8','6'},{'9','8','7'},{'9','8','8'},{'9','8','9'} };

The lookup table doesn't work for values from 990 to 999. There are just no entries there. All this effort to optimize converting integers to text and we end up here: with a function that doesn't work for 1% of the possible values it could receive. And, given that the result is an out-of-bounds array access, it fails with everyone's favorite problem: undefined behavior. Usually it'll segfault, but who knows! Maybe it returns whatever bytes it finds? Maybe it sends the nasal demons after you. The compiler is allowed to do anything.

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Identity thieves have found an insidious target: death row inmates. A SentiLink report published this week reveals scammers are stealing identities of Texas prisoners awaiting execution to orchestrate "bust-out" fraud schemes -- patiently building credit before disappearing with up to $100,000. Nearly 10% of Texas' 172 death row inmates have fallen victim. The operation, active since March 2023, exploits inmates' isolation from financial communications. "They wouldn't receive text or email alerts from a financial institution," said Robin Maher of the Death Penalty Information Center. Beyond opening credit accounts, NBC reports, fraudsters have registered fake businesses using inmates' identities, including a landscaping company created under Ronald Haskell's name -- a man imprisoned since 2014 for killing six people. TransUnion estimates bust-out scams now cost banks $1 billion annually.

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An anonymous reader quotes a report from Ars Technica: Federal Communications Commission Chairman Brendan Carr has threatened to revoke EchoStar licenses for radio frequency bands coveted by rival firms including SpaceX, which alleges that EchoStar is underutilizing the spectrum. "I have directed agency staff to begin a review of EchoStar's compliance with its federal obligations to provide 5G service throughout the United States per the terms of its federal spectrum licenses," Carr wrote in a May 9 letter to EchoStar Chairman Charles Ergen. EchoStar and its affiliates "hold a large number of FCC spectrum licenses that cover a significant amount of spectrum," the letter said. Ergen defended his company's wireless deployment but informed investors that EchoStar "cannot predict with any degree of certainty the outcome" of the FCC proceedings. The letter from Carr and Ergen's statement is included in a Securities and Exchange Commission filing submitted by EchoStar today. EchoStar's stock price was down about 8 percent in trading today. EchoStar bought Dish Network in December 2023 and offers wireless service under the Boost Mobile brand. As The Wall Street Journal notes, the firm "has spent years wiring thousands of cellphone towers to help Boost become a wireless operator that could rival AT&T, Verizon and T-Mobile, but the project has been slow-going. Boost's subscriber base has shrunk in the five years since Ergen bought the brand from Sprint." [...] EchoStar will have to prove its case in the two FCC proceedings. The FCC set a May 27 deadline for the first round of comments in both proceedings and a June 6 deadline for reply comments. The proceedings could result in the FCC letting other companies use the spectrum and other remedies. "In particular, we seek information on whether EchoStar is utilizing the 2 GHz band for MSS consistent with the terms of its authorizations and the Commission's rules and policies governing the expectation of robust MSS," the FCC Space Bureau's call for comments said. "We also seek comment on steps the Commission might take to make more intensive use of the 2 GHz band, including but not limited to allowing new MSS entrants in the band." Last month, SpaceX urged the FCC to reallocate the spectrum, saying "the 2 GHz band remains ripe for sharing among next-generation satellite systems that seek to finally make productive use of the spectrum for consumers and first responders." EchoStar countered that SpaceX's filing is "intended to cloak another land grab for even more free spectrum," and that its "methodology is completely nonsensical, given that EchoStar's terrestrial deployment is subject to population-based milestones that EchoStar has repeatedly demonstrated in status reports."

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Google's stalwart search button has a new neighbor: AI Mode. From a report: The artificial intelligence feature is being tested directly beneath the Google search bar beside a "Google Search" button, replacing the "I'm Feeling Lucky" widget. The new feature, though not widely available yet, is being tested in a location where Google rarely makes changes.

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Qatar is gifting Trump a $400 million luxury 747 to serve as a temporary Air Force One, but experts warn that retrofitting it to meet presidential security standards could take years, cost hundreds of millions more, and risk national security due to potential embedded surveillance. The Register's Iain Thomson reports: The current VC-25s aren't just repainted 747s. They're a pair of flying fortresses that must be capable of allowing the president to run the country, survive wartime conditions (even nuclear), and be totally secure from outside influence or intrusion. While the precise details of the current airframe are a tightly guarded secret, some details are included on government fact sheets or have been revealed in various media reports. For a start, it must have an in-flight refueling capability so the president can go anywhere in the world and stay up as long as needed. Retrofitting this to an existing 747 would be very expensive, as the feds would need to strengthen portions of the hull to handle the refueling system and reconfigure the fuel tanks to handle trim issues. Then there's the hull, which is known to be armored, and the windows are also thicker than you'd find on a normal flight. The government would also need to build in weapons systems like the chaff rockets used against radar-guided missiles, flares against heat seekers, and AN/ALQ-204 Matador Infrared Countermeasure systems, or similar to try and confuse incoming missiles. Next up, the engines and electrical systems would have to be replaced. The electronics in the current VC-25s are hardened as much as possible against an electromagnetic pulse that would be generated by a nuclear detonation. There are also claims that the aircraft have extra shielding in the engines to help against missile fragments should a physical attack happen. Next up are communications. Air Force One has air-to-ground, air-to-air, and satellite comms systems that are thought to be the equal of what's in the White House. There are at least two separate internal phone systems - one open and the other highly secure - that would need to be installed and checked as well. Then there are incidentals. Contrary to what films will tell you, there is no escape capsule on the current Air Force One, nor a rear parachute ramp, but there is a medical suite with emergency equipment and space for a physician which would already need to be installed, as well as a secured cargo area designed to prevent tampering or unauthorized access. As for the threat of embedded surveillance devices, Richard Aboulafia, managing director of aircraft consultancy AeroDynamic Advisory, said: "You'd have to take it apart piece by piece to stop a professional operator putting in lots of equipment to confuse things, like spare sensors and wiring." "It wouldn't be in the air before 2030 at the earliest, long after he's left office and probably later than the existing planned replacements," said Aboulafia. "It makes no sense on any level, except that he wants a free 747 for himself. Nothing else makes any sense." "What's sort of annoying about the whole thing is I'm not sure what's wrong with the current Air Force One," Aboulafia said. "Maybe if they gave it a gold makeover, he'd like it more."

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According to Rest of the World, a major confrontation between Meta and the local authorities in Nigeria is currently taking place: "Local authorities have fined Meta $290 million for regulatory breaches, prompting the social media giant to threaten pulling Facebook and Instagram from the country." Techdirt reports: As with earlier EU fines imposed on the company, the sticking point is Meta's refusal to comply with local privacy laws [...]. The fine itself is small change for Meta, which had a net income of $62 billion on a turnover of $165 billion in 2024, and a market capitalization of $1.5 trillion. Meta's current revenues in Nigeria are relatively small, but its market shares are high: "According to social media performance tracker Napoleoncat, Meta has a massive presence in the country, with Facebook alone reaching about 51.2 million users as of May 2024, more than a fifth of the population. Instagram had 12.6 million Nigerian users as of November 2023, while WhatsApp had about 51 million users, making Nigeria the 10th largest market globally for the messaging app." Since many Nigerians depend on Meta's platforms, the company might be hoping that there will be public pressure on the government not to impose the fine in order to avoid a shutdown of its services there. But it is hard to see Meta carrying out its threat to walk away from a country expected to be the third most populous nation in the world by 2050. In 2100, the population of Nigeria could reach 541 million according to current projections.

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Amazon's Audible is expanding its audiobook offerings by giving select publishers access to its AI-powered production tools that will let them more easily convert books into audiobooks with over 100 customizable AI voices to choose from. It will also launch an AI translation tool in beta later this year to help publishers translate and localize audiobooks into multiple languages, with both automated and human-assisted options. The Verge reports: Audible says its new AI narration technology leverages Amazon's advanced AI capabilities and will be made available to interested publishing partners in the coming months in one of two ways. For publishers wanting to be hands-off, an end-to-end service managed by Audible handles the "entire audiobook production process" right up to publication, while a self-service option will give publishers access to the same tools so they can independently direct the entire production process. With both options, publishers are able to "choose from a quickly growing and improving selection of more than 100 AI-generated voices across English, Spanish, French, and Italian with multiple accent and dialect options, and will be able to access voice upgrades for their titles as our technology evolves," according to Amazon. [...] Publishers will also be able to review translations themselves or opt for a human review through Audible with a professional linguist.

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An anonymous reader quotes a report from the BBC: A student's robot has beaten the world record for solving a four-by-four Rubik's cube -- by 33 seconds. Matthew Pidden, a 22-year-old University of Bristol student, built and trained the "Revenger" over 15 weeks for his computer science bachelor's degree. The robot solved the cube in 45.305 seconds, obliterating the world record of 1 minute 18 seconds. However, the human record for solving the cube is 15.71 seconds. Mr Pidden's robot uses dual webcams to scan the cube, a custom mechanism to manipulate the faces, and a fully self-built solving algorithm to generate efficient solutions. The student now plans to study for a master's degree in robotics at Imperial College London.

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Google is enhancing Android's Factory Reset Protection (FRP) to make stolen phones virtually unusable by detecting setup wizard bypasses and requiring a second factory reset until ownership is verified. Android Authority reports: You can factory reset an Android phone in several ways. However, triggering a reset through the Android recovery menu or Google's Find My Device service activates Factory Reset Protection (FRP). During setup after such a reset, the wizard requires you to verify ownership by either signing into the previously associated Google account or entering the device's former lock screen PIN, password, or pattern. Failing this verification step blocks setup completion, rendering the device unusable. [...] Factory Reset Protection (FRP) is a valuable feature that discourages theft by rendering stolen Android phones useless to potential buyers if wiped improperly. However, FRP isn't foolproof; thieves have discovered numerous methods over the years to circumvent it. These bypasses typically involve skipping the setup wizard, allowing someone to use the phone without entering the previous owner's Google account details or screen lock. During The Android Show: I/O Edition, Google announced plans to "further harden Factory Reset protections, which will restrict all functionalities on devices that are reset without the owner's authorization." While the company didn't elaborate much, a screenshot it shared suggests that Android will likely detect if someone bypasses the setup wizard and then force another factory reset, preventing unauthorized use until the user proves ownership. [...] Google stated this FRP improvement is coming "later this year." Since the stable Android 16 release is coming soon, this timeline suggests the feature won't be part of the initial launch. It might arrive later in one of Android 16's Quarterly Platform Releases (QPRs), but that remains to be seen.

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