22 Apr 2026

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Approximating Hyperbolic Tangent

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22 Apr 2026 11:46pm GMT

How to Stop a Data Center in Your Backyard

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22 Apr 2026 11:31pm GMT

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Billionaire Backer Sues Trump Family's Crypto Firm Over Alleged Extortion

Ancient Slashdot reader Alain Williams shares a report from the BBC: The Trump family's World Liberty crypto venture is being sued by one of its billionaire backers over allegations of extortion. Justin Sun has accused World Liberty of an "illegal scheme" to seize his WLFI tokens, a cryptocurrency issued by the company. Sun alleges the firm, co-founded by U.S. President Donald Trump and his son Eric Trump, has "frozen" all of his tokens and stripped him of his right to vote on governance issues. [...] Sun alleged that those running World Liberty, including another co-founder, Chase Herro, are using it as a "golden opportunity to leverage the Trump brand to profit through fraud." In his complaint, filed on Tuesday in a San Francisco federal court, Sun argues that initial promises to give token-holders the option to trade the currency in future "were false and misleading." While the tokens at large became tradeable, Sun said World Liberty has blocked him from being able to sell a single one, and is now threatening to "burn" his - deleting them entirely. WLFI said in a post on X: "Does anyone still believe @justinsuntron? Justin's favorite move is playing the victim while making baseless allegations to cover up his own misconduct. Same playbook, different target. WLFI isn't the first. We have the contracts. We have the evidence. We have the truth. See you in court pal."

Read more of this story at Slashdot.

22 Apr 2026 11:00pm GMT

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Bring your own Agent to MS Teams

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22 Apr 2026 10:25pm GMT

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OpenVPN 2.7.2 Fixes Two Security Flaws and Improves Password Handling

OpenVPN 2.7.2 Fixes Two Security Flaws and Improves Password Handling

OpenVPN 2.7.2 fixes two security flaws, adds long password support in the management interface, and includes several bugfixes for Windows users.

22 Apr 2026 10:18pm GMT

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Crypto scam lures ships into Strait of Hormuz, falsely promising safe passage

Ship attacked by Iran after possibly falling for safe passage crypto scam.

22 Apr 2026 10:07pm GMT

feedSlashdot

Ping-Pong Robot Makes History By Beating Top-Level Human Players

Sony AI's autonomous table-tennis robot Ace has become the first robot to compete against top-level human players. Reuters reports: Ace, created by the Japanese company Sony's AI research division, is the first robot to attain expert-level performance in a competitive physical sport, one that requires rapid decisions and precision execution, the project's leader said. Ace did so by employing high-speed perception, AI-based control and a state-of-the-art robotic system. There have been various ping-pong-playing robots since 1983, but until now they were unable to rival highly skilled human competitors. Ace changed that with its performances against human elite-level and professional players in matches following the rules of the International Table Tennis Federation, the sport's governing body, and officiated by licensed umpires. The project's goal was not only to compete at table tennis but to develop insights into how robots can perceive, plan and act with human-like speed and precision in dynamic environments. In matches detailed in the study, Ace in April 2025 won three out of five versus elite players and lost two matches against professional players, the top skill level in the sport. Sony AI said that since then Ace beat professional players in December 2025 and last month. "The success of Ace, with its perception system and learning-based control algorithm, suggests that similar techniques could be applied to other areas requiring fast, real-time control and human interaction -- such as manufacturing and service robotics, as well as applications across sports, entertainment and safety-critical physical domains," said Peter Durr, director of Sony AI Zurich and leader for Sony AI's project Ace. The findings have been published in the journal Nature.

Read more of this story at Slashdot.

22 Apr 2026 10:00pm GMT

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Linux May Drop Legacy 3Com, AMD, and Xircom Ethernet Drivers

Linux May Drop Legacy 3Com, AMD, and Xircom Ethernet Drivers

The Linux kernel may drop 18 old Ethernet drivers for ISA- and PCMCIA-era hardware as maintainers question whether the aging code still has active users.

22 Apr 2026 9:27pm GMT

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Tesla reports Q1 2026 earnings: Still profitable

Car sales are up, battery sales and emissions credits are down.

22 Apr 2026 9:16pm GMT

feedSlashdot

Anthropic's Mythos Model Is Being Accessed by Unauthorized Users

Bloomberg reports that a small group of unauthorized users gained access to Anthropic's restricted Mythos model through a mix of contractor-linked access and online sleuthing. Anthropic says it is investigating and has no evidence the access extended beyond a third-party vendor environment or affected its own systems. From the report: The users relied on a mix of tactics to get into Mythos. These included using access the person had as a worker at a third-party contractor for Anthropic and trying commonly used internet sleuthing tools often employed by cybersecurity researchers, the person said. The users are part of a private Discord channel that focuses on hunting for information about unreleased models, including by using bots to scour for details that Anthropic and others have posted on unsecured websites such as GitHub. [...] To access Mythos, the group of users made an educated guess about the model's online location based on knowledge about the format Anthropic has used for other models, the person said, adding that such details were revealed in a recent data breach from Mercor, an AI training startup that works with a number of top developers. Crucially, the person also has permission to access Anthropic models and software related to evaluating the technology for the startup. They gained this access from a company for which they have performed contract work evaluating Anthropic's AI models. Bloomberg is not naming the company for security reasons. The group is interested in playing around with new models, not wreaking havoc with them, the person said. The group has not run cybersecurity-related prompts on the Mythos model, the person said, preferring instead to try tasks like building simple websites in an attempt to avoid detection by Anthropic. The person said the group also has access to a slew of other unreleased Anthropic AI models.

Read more of this story at Slashdot.

22 Apr 2026 9:00pm GMT

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Our newsroom AI policy

How Ars Technica uses, and doesn't use, generative AI.

22 Apr 2026 8:40pm GMT

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AlmaLinux Takes a Wait-and-See Stance on California Age Verification Law

AlmaLinux Takes a Wait-and-See Stance on California Age Verification Law

AlmaLinux will take a wait-and-see approach to California's age verification law while legal and upstream questions remain unresolved.

22 Apr 2026 2:02pm GMT