Amid a push toward AI agents , with both Anthropic and OpenAI shipping multi-agent tools this week, Anthropic is more than ready to show off some of its more daring AI coding experiments. But as usual with claims of AI-related achievement, you'll find some key caveats ahead.

On Thursday, Anthropic researcher Nicholas Carlini published a blog post describing how he set 16 instances of the company's Claude Opus 4.6 AI model loose on a shared codebase with minimal supervision, tasking them with building a C compiler from scratch.

Over two weeks and nearly 2,000 Claude Code sessions costing about $20,000 in API fees, the AI model agents reportedly produced a 100,000-line Rust-based compiler capable of building a bootable Linux 6.9 kernel on x86, ARM, and RISC-V architectures.

Read full article

Comments

As the 2026 Olympic Winter Games begin today, news articles are swelling with juicy claims that male ski jumpers have injected their penises with fillers to gain a flight advantage.

As the rumor goes, having a bigger bulge on a required 3D body scan taken in the pre-season could earn jumpers extra centimeters of material in their jumpsuits—and a suit's larger nether regions provide more surface area to glide to the gold. Even a small increase can make a satisfying difference in this sport. A 2025 simulation-based study published in the journal Frontiers in Sports and Active Living suggested that every 2 cm of extra fabric in a ski jumpsuit could increase drag by about 4 percent and increase lift by about 5 percent. On a jump, that extra 2 cm of fabric amounts to an extra 5.8 meters, the simulations found.

Elite ski jumpers are aware of the advantage and have already crotch-rocketed to scandal with related schemes. Last year, two Norwegian Olympic medalists, Marius Lindvik and Johann Andre Forfang, and three of their team officials were charged with cheating after an anonymous video showed the head coach and suit technician illegally restitching the crotch area of the two jumpers' suits to make them larger. The jumpers received a three-month suspension , while the head coach, an assistant coach, and the technician faced a harsher 18-month ban .

Read full article

Comments

Frustrated by fake citations and flowery prose packed with "out-of-left-field" references to ancient libraries and Ray Bradbury’s Fahrenheit 451 , a New York federal judge took the rare step of terminating a case this week due to a lawyer's repeated misuse of AI when drafting filings.

In an order on Thursday, district judge Katherine Polk Failla ruled that the extraordinary sanctions were warranted after an attorney, Steven Feldman, kept responding to requests to correct his filings with documents containing fake citations.

One of those filings was "noteworthy," Failla said, "for its conspicuously florid prose." Where some of Feldman's filings contained grammatical errors and run-on sentences, this filing seemed glaringly different stylistically.

Read full article

Comments

Open source packages published on the npm and PyPI repositories were laced with code that stole wallet credentials from dYdX developers and backend systems and, in some cases, backdoored devices, researchers said.

“Every application using the compromised npm versions is at risk ….” the researchers, from security firm Socket, said Friday . “Direct impact includes complete wallet compromise and irreversible cryptocurrency theft. The attack scope includes all applications depending on the compromised versions and both developers testing with real credentials and production end-users."

Packages that were infected were:

Read full article

Comments

After writing two November stories analyzing price expectations for Valve's upcoming Steam Machine, I really didn't think we'd be offering more informed speculation before the official price was revealed. Then Valve wrote a blog post this week noting that the "growing price of... critical components" like RAM and storage meant that "we must revisit our exact shipping schedule and pricing" for the living room-focused PC gaming box.

We don't know exactly what form that "revisiting" will take at the moment. Analysts who spoke to Ars were somewhat divided on how much of its quickly increasing component costs Valve would be willing (or forced) to pass on to consumers.

"We knew the component issue was bad," DFC Intelligence analyst David Cole told Ars. "It has just gotten worse. "

Read full article

Comments

In the spring of 2020, as the COVID-19 pandemic brought global industry and travel nearly to a halt, satellite sensors recorded a dramatic plunge in nitrogen dioxide, a byproduct of internal combustion engines and heavy industry. For a moment, the world’s air was cleaner than it had been in decades.

But then something strange started happening: methane, the second most important anthropogenic greenhouse gas after carbon dioxide, was surging. Its growth rate hit 16.2 parts per billion that year, the highest since systematic records began in the early 1980s. A new study published in the journal Science looked at the complex chemistry of the troposphere (the lowest region of the atmosphere) and found that the two changes are likely connected.

An atmospheric cleaner

Since the late 1960s, we knew that atmospheric methane doesn’t just vanish. It is actively scrubbed from the sky by the hydroxyl radical, a highly reactive molecule that breaks down methane, turning it into water vapor and carbon dioxide. “The problem is that the lifetime of the hydroxyl radical is very short—its lifespan is less than a second" says Shushi Peng, a professor at Peking University, China, and a co-author of the study. To do its job as an atmospheric methane clearing agent, a hydroxyl radical must be constantly replenished through a series of chemical reactions triggered by sunlight. The key ingredients in these reactions are nitrogen oxides, the very pollutants that were drastically reduced when cars stayed in garages and factories went dark in 2020.

Read full article

Comments

Google-spinoff Waymo is in the midst of expanding its self-driving car fleet into new regions. Waymo touts more than 200 million miles of driving that informs how the vehicles navigate roads, but the company's AI has also driven billions of miles virtually, and there's a lot more to come with the new Waymo World Model. Based on Google DeepMind's Genie 3, Waymo says the model can create "hyper-realistic" simulated environments that train the AI on situations that are rarely (or never) encountered in real life—like snow on the Golden Gate Bridge.

Until recently, the autonomous driving industry relied entirely on training data collected from real cars and real situations. That means rare, potentially dangerous events are not well represented in training data. The Waymo World Model aims to address that by allowing engineers to create simulations with simple prompts and driving inputs.

Google revealed Genie 3 last year, positioning it as a significant upgrade over other world models by virtue of its long-horizon memory. In Google's world model, you can wander away from a given object, and when you look back, the model will still "remember" how that object is supposed to look. In earlier attempts at world models, the simulation would lose that context almost immediately. With Genie 3, the model can remember details for several minutes.

Read full article

Comments

Engineers at Blue Origin have been grappling with a seemingly eternal debate that involves the New Glenn rocket and the economics of flying it.

The debate goes back at least 15 years, to the early discussions around the design of the heavy lift rocket. The first stage, of course, would be fully reusable. But what about the upper stage of New Glenn, powered by two large BE-3U engines?

Around the same time, in the early 2010s, SpaceX was also trading the economics of reusing the second stage of its Falcon 9 rocket. Eventually SpaceX founder Elon Musk abandoned his goal of a fully reusable Falcon 9, choosing instead to recover payload fairings and push down manufacturing costs of the upper stage as much as possible. This strategy worked, as SpaceX has lowered its internal launch costs of a Falcon 9, even with a new second stage, to about $15 million. The company is now focused on making the larger Starship rocket fully reusable.

Read full article

Comments

While mainstream vehicles usually get comprehensive updates every few years, low-volume exotics tend evolve more gradually. Supercar platforms often remain unchanged for a decade or more, with manufacturers instead focusing on what can be tuned, massaged, added, or subtracted to keep their lineups fresh. Every once in a while, though, a performance car debuts that truly earns the label “all-new,” and the Lamborghini Temerario is one of them.

As the replacement for the Huracán, Lamborghini’s best-selling sports car to date, the Temerario has big shoes to fill. At first glance, it might seem like a more subdued affair than its predecessor, but the Huracán debuted in a similar fashion before wilder iterations like the STO and Sterrato were introduced to the lineup.

During a technical briefing late last year, Lamborghini sales chief Frederick Foschini noted that the Temerario’s streamlined look is intentional. The team sought to increase downforce by more than 100 percent compared with the Huracán Evo through the car's core design, rather than relying on big wings, splitters, and other racy aerodynamic bits. Designers were also tasked with creating an all-new car that was distinctive yet instantly recognizable as a Lamborghini. Judging by the number of heads this car turned during my time with it, I’d say the company was successful.

Read full article

Comments