Samsung announced the Galaxy S25, S25+ , and S25 Ultra at its Unpacked event today. What is different from last year's models ? With the phones themselves, not much, other than a new chipset and a wide camera. But pure AI optimism? Samsung managed to pack a whole lot more of that into its launch event and promotional materials.

The corners on the S25 Ultra are a bit more rounded, the edges are flatter, and the bezels seem to be slightly thinner. The S25 and S25+ models have the same screen size as the S24 models, at 6.2 and 6.7 inches, respectively, while the Ultra notches up slightly from 6.8 to 6.9 inches.

Samsung's S25 Ultra, in titanium builds colored silver blue, black, gray, and white silver. Credit: Samsung

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Fast radio bursts (FRBs) are puzzling phenomena because their details are so difficult to resolve, and observations to date have been inconsistent. Astronomers added another piece to the puzzle with the detection of an FRB that seems to originate in a dead galaxy that is no longer producing new stars, according to a new paper published in The Astrophysical Journal Letters, along with a related paper on the event from scientists at Northwestern University.

As we've reported previously , FRBs involve a sudden blast of radio-frequency radiation that lasts just a few microseconds. Astronomers have observed over a thousand of them to date; some come from sources that repeatedly emit FRBs, while others seem to burst once and go silent. You can produce this sort of sudden surge of energy by destroying something. But the existence of repeating sources suggests that at least some of them are produced by an object that survives the event. That has led to a focus on compact objects, like neutron stars and black holes—especially a class of neutron stars called magnetars—as likely sources. Only about 3 percent of FRBs are of the repeating variety.

There have also been many detected FRBs that don't seem to repeat at all, suggesting that the conditions that produce them may destroy their source. That's consistent with a blitzar —a bizarre astronomical event caused by the sudden collapse of an overly massive neutron star. The event is driven by an earlier merger of two neutron stars; this creates an unstable intermediate neutron star, which is kept from collapsing immediately by its rapid spin.

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On Tuesday, OpenAI, SoftBank, Oracle, and MGX announced plans to form Stargate, a new company that will invest $500 billion in AI computing infrastructure across the United States over four years. The announcement came during a White House meeting with President Donald Trump, who called it the "largest AI infrastructure project in history."

The goal is to kickstart building more datacenters to expand computing capacity for current and future AI projects, including OpenAI's goal of "AGI," which the company defines as a highly autonomous AI system that "outperforms humans at most economically valuable work."

"This infrastructure will secure American leadership in AI, create hundreds of thousands of American jobs, and generate massive economic benefit for the entire world," wrote OpenAI in a press statement. "This project will not only support the re-industrialization of the United States but also provide a strategic capability to protect the national security of America and its allies."

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We’re only three weeks into 2025, and it’s already shaping up to be the year of Internet of Things-driven DDoSes. Reports are rolling in of threat actors infecting thousands of home and office routers, web cameras, and other Internet-connected devices.

Here is a sampling of research released since the first of the year.

Lax security, ample bandwidth

A post on Tuesday from content-delivery network Cloudflare reported on a recent distributed denial-of-service attack that delivered 5.6 terabits per second of junk traffic—a new record for the largest DDoS ever reported. The deluge, directed at an unnamed Cloudflare customer, came from 13,000 IoT devices infected by a variant of Mirai, a potent piece of malware with a long history of delivering massive DDoSes of once-unimaginable sizes.

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The self-declared "pro-crypto president" Donald Trump pardoned Silk Road founder Ross Ulbricht on Tuesday.

Ulbricht, 40, was about 10 years into his life sentence for helming an online black market where drug dealers, money launderers, and traffickers used bitcoins to mask more than $214 million in illicit trades. (Ars thoroughly documented the Silk Road saga here .)

Trump had pledged at the Libertarian National Convention to set Ulbricht free while on the campaign trail, agreeing with supporters who believe that Ulbricht's long sentence was a harsh example of government overreach.

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Google is making a fresh investment of more than $1 billion into OpenAI rival Anthropic, boosting its position in the start-up as Silicon Valley titans rush to develop cutting-edge artificial intelligence systems.

The Alphabet-owned search behemoth had already committed about $2 billion to Anthropic and was now increasing its stake in the group, according to four people with knowledge of the situation.

Anthropic, best known for its Claude family of AI models, is one of the leading start-ups in the new wave of generative AI companies building tools to generate text, images, and code in response to user prompts.

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After literal years of speculation and leaks , it was nice to get an actual glimpse of the Switch 2 hardware (and its increased size ) last week. But even with the console officially "revealed," there's still a wide range of important unknown Switch 2 details that Nintendo has yet to address.

As we wait for the company to dribble out additional information in the coming weeks and months, we thought we'd take a quick look at the biggest outstanding questions and concerns we still have about Nintendo's next gaming platform, along with some analysis of what we know, what we can guess, and what we expect on each score.

Launch date?

The teaser trailer's promise of a "2025" Switch 2 release technically covers any launch date between "tomorrow" and December 31. But we can probably narrow that window down a bit.

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Bambu Lab , a major maker of 3D printers for home users and commercial "farms," is pushing an update to its devices that it claims will improve security while still offering third-party tools "authorized" access. Some in the user community—and 3D printing advocates broadly—are pushing back, suggesting the firm has other, more controlling motives.

As is perhaps appropriate for 3D printing, this matter has many layers, some long-standing arguments about freedom and rights baked in, and a good deal of heat.

Bambu Lab's image marketing Bambu Handy, its cloud service that allows you to "Control your printer anytime anywhere, also we support SD card and local network to print the projects." Credit: Bambu Lab

Printing more, tweaking less

Bambu Lab, launched in 2022, has stood out in the burgeoning consumer 3D printing market because of its printers' capacity for printing at high speeds without excessive tinkering or maintenance. The product page for the X1 series , the printer first targeted for new security, starts with the credo, "We hated 3D printing as much as we loved it." Bambu's faster, less fussy multicolor printers garnered attention—including an ongoing patent lawsuit from established commercial printer Stratasys .

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Today Netflix, the biggest streaming service based on subscriber count, announced that it will increase subscription prices by up to $2.50 per month.

In a letter to investors [ PDF ], Netflix announced price changes starting today in the US, Canada, Argentina, and Portugal.

People who subscribe to Netflix's cheapest ad-free plan (Standard) will see the biggest increase in monthly costs. The subscription will go from $15.49/month to $17.99/month, representing a 16.14 percent bump. The subscription tier allows commercial-free streaming for up to two devices and maxes out at 1080p resolution. It's Netflix's most popular subscription in the US, Bloomberg noted.

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