Greg Brockman never wanted to discuss his personal journal in public. But the OpenAI president has been stuck for days doing exactly that, while testifying in a trial in which Elon Musk has alleged that OpenAI abandoned its nonprofit mission to instead focus on personally enriching leaders like Brockman and Sam Altman.

"It's very painful," Brockman told OpenAI lawyer Sarah Eddy during his second day on the stand.

Although he's not "ashamed" of any of the journal entries, he considers them to be deeply personal, he said. Rather than serving as a straightforward log of his actions or feelings, the entries reflect a stream of consciousness that meanders as it explores alternate viewpoints.

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Silicon Valley investors such as Palantir co-founder Peter Thiel have bet hundreds of millions of dollars on deploying AI data centers powered by waves in the middle of the world’s oceans—a move that coincides with tech companies facing mounting challenges in building AI data center projects on land.

The latest investment round of $140 million is intended to help the company Panthalassa complete a pilot manufacturing facility near Portland, Oregon, and speed up deployments of wave-riding “nodes” designed to generate electrical power, according to a May 4 press release. Instead of sending renewable energy to a land-based data center, the floating nodes would directly power onboard AI chips and transmit inference tokens representing the AI models’ outputs to customers worldwide via satellite link.

“Panthalassa’s idea transforms an energy transmission problem into a data transmission problem,” Benjamin Lee , a computer architect and engineer at the University of Pennsylvania, told Ars. “Performing AI computation on the ocean would require transferring models to the ocean-based nodes and then responding to prompts and queries.”

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Pennsylvania has sued the maker of Character.AI, alleging that it violated state law by presenting an AI chatbot character as a licensed doctor. The lawsuit was filed in a state court by the Pennsylvania Department of State and State Board of Medicine.

"The department’s investigation found that AI chatbot characters on Character.AI claimed to be licensed medical professionals, including psychiatrists, available to engage users in conversations about mental health symptoms," Governor Josh Shapiro's office said today in an announcement of the lawsuit. "In one instance, a chatbot falsely stated it was licensed in Pennsylvania and provided an invalid license number."

"We will not allow companies to deploy AI tools that mislead people into believing they are receiving advice from a licensed medical professional," Shapiro said in the announcement.

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Daemon Tools, a widely used app for mounting disk images, has been backdoored in a monthlong compromise that has pushed malicious updates from the servers of its developer, researchers said Tuesday.

Kaspersky, the security firm reporting the supply-chain attack, said it began on April 8 and remained active as of the time its post went live. Installers that are signed by the developer’s official digital certificate and downloaded from its website infect Daemon Tools executables, causing the malware to run at boot time. Kaspersky didn’t explicitly say so, but based on technical details, the infected versions appear to be only those that run on Windows. Versions 12.5.0.2421 through 12.5.0.2434 are affected. Neither Kaspersky nor developer AVB could be contacted immediately for additional details.

Hard to defend against

Infected versions contain an initial payload that collects MAC addresses, hostnames, DNS domain names, running processes, installed software, and system locales. The malware sends them to an attacker-controlled server. Thousands of machines in more than 100 countries were targeted. Out of the many machines infected, about 12 of them, belonging to retail, scientific, government and manufacturing organizations, have received a follow-on payload—an indication the supply-chain attack targets select groups.

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In a brief appearance at a Make America Healthy Again Institute event Monday, anti-vaccine Health Secretary Robert F. Kennedy Jr. announced new federal initiatives to curb prescribing of antidepressants, which he has long attacked with false and dangerous claims. Mental health experts have previously condemned his rhetoric and are already pushing back on his new efforts.

The MAHA event was focused on "overmedicalization," with participants broadly alleging—without evidence—that too many Americans, particularly youths, are overprescribed antidepressants in the class of selective serotonin reuptake inhibitors, or SSRIs. This class includes common medications such as Zoloft, Prozac, Paxil, and Lexapro, which are used to treat depression, anxiety, and post-traumatic stress disorder, among other conditions. Event participants focused on claims that the drugs are prescribed without informed consent, are harmful, and can be difficult to stop taking.

False claims

The topics closely echo Kennedy's claims. Among his many dangerous, evidence-free statements, he has suggested that too many people, including children, are put on SSRIs and that they make people violent. He has even suggested that they are the cause of mass shootings , including school shootings. In a podcast last year, he made the heinous claim that " every Black kid is now just standard put on Adderall, SSRIs, benzos, which are known to induce violence ." His suggested solution is for black children to be " reparented " and work on farms .

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Google launched its big AI-fueled redesign of Google Home late last year, and it has been adding features here and there ever since. Today, the company announced a bigger update that might take care of some of your smart home woes. Camera feeds will be easier to navigate, and the AI event labeling should be more straightforward. The move to Gemini 3.1 for Home voice assistance should also mean the robot is less obtuse and more reliable.

According to Google, Home users who have signed up for the early access channel should already have the update to Gemini 3.1. Google initially released this AI model on other platforms in February, but that rollout didn't include Google's smart speakers. With the expansion to Home, Google says those speakers will be able to take advantage of Gemini 3.1's "advanced reasoning to better interpret and execute complex, multi-step voice commands." Of course, it says something like that with every Gemini update.

Google has cited various AI evaluations that show Gemini 3.1 is better at parsing big, complex prompts. It showed gains in tests like ARC-AGI-2 and Humanity's Last Exam, both of which require tricky logic problems that need domain-specific knowledge. How much that kind of capability will benefit a smart speaker that specializes in brief interactions is unclear, but you can have long conversations with Gemini in your smart home devices if you want. Google notes the improved model can process multiple different tasks in a single prompt, saving you from breaking up tasks into multiple commands.

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The Trump administration is letting Elon Musk pay a $1.5 million fine to settle a lawsuit that originally sought at least $150 million. If approved by a federal court, the proposed settlement submitted yesterday would require a trust in Musk's name to pay a $1.5 million civil penalty to the government.

The January 2025 lawsuit , filed in the last days of the Biden administration, relates to how Musk purchased a 9 percent stake in Twitter in 2022 and failed to disclose it within 10 days as required under US law. The Securities and Exchange Commission alleged that "Musk was able to continue purchasing shares at artificially low prices, allowing him to underpay by at least $150 million for shares he purchased after his beneficial ownership report was due.”

Twitter's stock price soared after Musk belatedly disclosed his stake, and he bought the company outright later in 2022. The Biden SEC's January 2025 lawsuit demanded that Musk "pay disgorgement of his unjust enrichment as a result of his violation," plus interest and a separate civil penalty. But the SEC had investigated the late disclosure and related matters for nearly three years before filing the lawsuit, leaving no time to litigate the case before the Trump administration took over.

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LONG BEACH, Calif.—2026 is a strange time for electric vehicles in the US. The current administration has no desire to push for their adoption and has rescinded the federal tax credit on which EV sales have depended for years. Tariffs have made vehicles and their constituent components even more expensive , making switching to an EV for the first time an even harder pill to swallow. Manufacturers like Honda, which had three nearly production-ready EVs on deck, just killed them all unceremoniously .

It’s bleak out there.

Still, Ford has decided to stay in the game with its “Universal Electric Vehicle,” which it announced in late 2025. This highly modular platform is designed to underpin all of the Blue Oval’s electric vehicles going forward. The work has been largely conducted at Ford’s Electric Vehicle Development Center (EVDC) in sunny Long Beach, California, and Ars Technica was recently invited to tour the facility to see what makes it different from any of Ford’s other operations.

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Over the last year, Christopher Nolan and Universal Pictures have been trickling out sneak peeks and teasers for Nolan's forthcoming film version of The Odyssey , adapting Homer's classic poem. The studio just dropped a new two-and-a-half-minute trailer stuffed with the glorious visuals, high emotions, and soaring music befitting such an epic saga.

As previously reported , most of us read some version of The Odyssey in high school, so we’re familiar with the story: Odysseus, legendary Greek king of Ithaca, begins the long journey home after 10 years of fighting in the Trojan War. But the journey does not go smoothly, as Odysseus and his men encounter the cyclops Polyphemus, the Sirens, and an enchantress named Circe, among other obstacles. Meanwhile, his long-suffering wife, Penelope, is warding off hundreds of suitors eager to usurp Odysseus’ position.

Nolan loves an epic tale and compared Homer's Odyssey to today's superhero movies during a recent appearance on The Late Show With Stephen Colbert . “Even comic book culture, whether you’re talking about Marvel or D.C. or all the rest, a lot of it comes pretty directly from the Homeric Epics,” Nolan told Colbert . “The thing about Homer is, nobody knows if that was a person. Homer, in a way, is the sort of George Lucas of his time.”

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