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[Ed. note: Little Snitch is a macOS program that intercepts network traffic at the kernel level to let you know what connections your applications are making behind the scenes]

Little Snitch for Linux — Because Nothing Else Came Close

An Anonymous Coward writes:

https://obdev.at/blog/:

Recent political events have pushed governments and organizations to seriously question their dependence on foreign-controlled software. The core issue is simple and uncomfortable: through automatic updates, a vendor can run any code, with any privileges, on your machine, at any time. Most people know this, but prefer not to think about it. Linux is the obvious candidate for reducing that dependency: no single company controls it, no single country owns it. So I decided to explore it myself.

[...] Very soon after that, I felt kind of naked: being used to Little Snitch, it's a strange feeling to have no idea what connections your computer is making. I researched a bit, found OpenSnitch, several command line tools, and various security systems built for servers. None of these gave me what I wanted: see which process is making which connections, and in the best case deny with a single click.

[...] To make a long story short: I decided to use eBPF for traffic interception at kernel level. It's high performance and much more portable than kernel extensions. The main application code is in Rust, a language I've wanted to explore for quite a while. And the user interface was built as a web application. That last choice might seem odd for a privacy tool, but it means you can monitor a remote Linux server's network connections from any device, including your Mac. Want to know what Nextcloud, Home Assistant, or Zammad are actually connecting to? Use Little Snitch on the server.

[...] The kernel component, written for eBPF, is open source and you can look at how it's implemented, fix bugs yourself, or adapt it to different kernel versions. The UI is also open source under GPL v2, feel free to make improvements. The backend, which manages rules, block lists, and the hierarchical connection view, is free to use but not open source. That part carries more than twenty years of Little Snitch experience, and the algorithms and concepts in it are something we'd like to keep closed for the time being.

One important note: unlike the macOS version, Little Snitch for Linux is not a security tool. eBPF provides limited resources, so it's always possible to get around the firewall for instance by flooding tables. Its focus is privacy: showing you what's going on, and where needed, blocking connections from legitimate software that isn't actively trying to evade it.

blog post: https://obdev.at/blog/
software: https://obdev.at/products/littlesnitch-linux/index.html

Little Snitch on Linux: A Proprietary "Solution" to a Solved Problem

We have better, more open ways to build our walls:

There is a bit of a stir in the Linux community this week. Little Snitch, the venerable gatekeeper of macOS network traffic, has finally made its way to our shores. On paper, it is an impressive bit of engineering. It utilises eBPF for high-performance kernel-level monitoring and is written in Rust, which is enough to make any technical enthusiast's ears perk up. It even sports a fancy web UI for those who prefer a mouse to a terminal.

But as I looked closer, the gloss started to peel. While parts of the project are open, the core logic, the "brain" that actually decides what to block and how to analyse your traffic, is closed source.

"c0lo" writes:

Scientists have pushed the limits of mammal cloning until the whole house of cards has come tumbling down:

After two decades of continuous work, researchers in Japan have discovered a genetic 'dead end' to mammal cloning.

The study began in 2005, when researchers, led by scientists at the University of Yamanashi in Japan, cloned a single female mouse.

They then re-cloned that clone by transferring its nuclear DNA into an egg 'emptied' of nuclear DNA, and so on and so forth, for 57 more generations, producing more than 1,200 mice from that single original donor.

Two decades later, the team was on their 58th generation, and the re-cloned mice had accumulated so many genetic mutations that they died the day after they were born.

The study is the first peer-reviewed research to 'serially' clone a mammal to this end.

"It has long been unclear whether mammals, unlike plants and some lower animals, could sustain their species through clonal reproduction alone," write the research team, led by geneticist Sayaka Wakayama.

"[O]ur results align closely with Muller's ratchet theory," they add. "This model predicts that in asexual lineages, deleterious mutations inevitably accumulate, ultimately producing mutational meltdown and extinction."

Since the first mammal was cloned in the mid-1990s, famously called Dolly the Sheep , scientists have learned a great deal about the whole process , and how to recreate an animal using very few cells.

Some conservationists hope that the practice can one day help us bring back species from the brink of extinction, and a few celebrities have even started cloning their pets .

While this might work for a while, over time, as clones are re-cloned and then re-cloned again, dangerous mutations can accumulate in the genome. How long this takes to kill a creature is unknown, and scientists in Japan wanted to find out using mice.

Arthur T Knackerbracket writes:

Some experts argue that AI was just used as an excuse for poor business decisions:

“I don’t know if they are directly related to actual productivity gains,” Hodjat told Nikkei in reference to the job cuts. “Sometimes, you know, AI becomes the scapegoat from a financial perspective, like when a company hired too many, or they want to resize, and it gets blamed on AI.” Despite that, he said that AI-driven layoffs could still happen, but that it would take another six months to a year “before companies start seeing real productivity gains from AI,” and that “it will be painful for all of us as we’re going through it, and simply because it’s a transition.”

[...] Despite all these analyses, some experts are pushing back against this narrative, pointing out that AI-driven layoffs were just being used as an excuse for poor business performance. OpenAI CEO Sam Altman said during the India AI Impact Summit, “I don’t know what the exact percentage is, but there’s some AI washing where people are blaming AI for layoffs that they would otherwise do, and then there’s some real displacement by AI of different kinds of jobs.” While they say that some of these layoffs would still happen with or without AI, there’s still a consensus that the technology would have an impact on jobs and that we should be ready for a disruption.

[...] "There's going to be a ton of people that are coming out of school that can't find a job and don't have the domain expertise,” Hodjat told Nikkei. “You have to bring them in. You have to have them learn on the job, on how to use AI within the various domains.”

Original Submission

Freeman writes:

https://arstechnica.com/tech-policy/2026/04/dad-stuck-in-support-nightmare-after-teen-lied-about-age-on-discord/

Brady Frey did not realize that his daughter lied about her age when she set up her Discord account. He only found out after her account got hacked and he got trapped in a spiraling support nightmare while trying to stop the hacker from targeting dozens of her young friends with financial extortion scams.

When Frey's daughter signed up for Discord, she was 12 and technically not old enough to have an account.
[...]
Hiding her age, she created an account that listed her as over 18 years old.

Now 13, the teen had been happily using the app for months when she suddenly got locked out of her account after clicking on a link from an attacker posing as Discord support. Since she didn't enable two-factor authentication, the attacker was able to commandeer the account.
[...]
Discord's chatbot, Clyde, and a seeming human support member, Nelly, automatically closed her support tickets after telling her it would be best to report the issue from inside the app, which she could not access.

Frey told Ars he was shocked to see a platform as big as Discord relying on such poor support infrastructure.

"There's no pathway for a parent to step in and advocate for a minor whose account has been compromised," Frey told Ars.
[...]
the hacker wasn't booted until Ars intervened.

Logging back into the account and surveying the damage, Frey told Ars that 38 of his daughter's friends were targeted with a social engineering scam that Bitdefender reported in February is "widespread" on Discord.
[...]
Most of the friends seemingly did not fall for the scam, but two users appeared to have taken the bait, Frey told Ars.
[...]
In the future, Discord plans to roll out global age checks that would rely on AI and other methods to detect and verify users like Frey's daughter, who should be marked as a teen. But in the meantime, Frey's experience shows "what happens after a minor in real life is compromised and a parent tries to get help," Frey said.

fliptop writes:

One Microsoft product was approved despite years of concerns about its security:

In late 2024, the federal government's cybersecurity evaluators rendered a troubling verdict on one of Microsoft's biggest cloud computing offerings.

The tech giant's "lack of proper detailed security documentation" left reviewers with a "lack of confidence in assessing the system's overall security posture," according to an internal government report reviewed by ProPublica.

Or, as one member of the team put it: "The package is a pile of shit."

For years, reviewers said, Microsoft had tried and failed to fully explain how it protects sensitive information in the cloud as it hops from server to server across the digital terrain. Given that and other unknowns, government experts couldn't vouch for the technology's security.

Such judgments would be damning for any company seeking to sell its wares to the US government, but it should have been particularly devastating for Microsoft. The tech giant's products had been at the heart of two major cybersecurity attacks against the US in three years. In one, Russian hackers exploited a weakness to steal sensitive data from a number of federal agencies, including the National Nuclear Security Administration. In the other, Chinese hackers infiltrated the email accounts of a Cabinet member and other senior government officials.

[...] Yet, in a highly unusual move that still reverberates across Washington, the Federal Risk and Authorization Management Program, or FedRAMP, authorized the product anyway, bestowing what amounts to the federal government's cybersecurity seal of approval. FedRAMP's ruling—which included a kind of "buyer beware" notice to any federal agency considering GCC High—helped Microsoft expand a government business empire worth billions of dollars.

[...] Today, key parts of the federal government, including the Justice and Energy departments, and the defense sector rely on this technology to protect highly sensitive information that, if leaked, "could be expected to have a severe or catastrophic adverse effect" on operations, assets, and individuals, the government has said.

Originally spotted on Schneier on Security.

Related:

• Microsoft, OpenAI Say U.S. Rivals Use Artificial Intelligence in Hacking
• Microsoft Network Breached Through Password-Spraying by Russian-State Hackers
• Opinion: Feds to Microsoft and Others - Clean Up Your Security Act
• Microsoft Azure Customer Hit by Largest 3.47 Tbps DDoS Attack

Original Submission

MIT researchers recently published "Fully 3D-Printed electric motor manufactured via multi-modal, multi-material extrusion" full text and nice illustrations available at https://www.tandfonline.com/doi/full/10.1080/17452759.2026.2613185 To do this required modifying a 3D printer, a lot of experimentation with feedstock, and software changes to solve printing problems. When they got done they have something they call a linear motor, but it looks more like a voice coil or solenoid (very short stroke) to me. None the less, it is proof of concept that printing both conductors and magnetic materials is possible.

In this work, a commercial multi-material extrusion 3D printer was modified to process conductive inks, soft and hard magnetic composite pellets, and rigid and compliant polymeric filaments. Using this system, solenoids, hard magnets, and springs were fabricated. These components were combined through straightforward assembly to demonstrate the first fully 3D-printed electric motor — a linear actuator composed of five distinct functional materials: dielectric, electrically conductive, soft magnetic, hard magnetic, and flexible. The solenoids produced up to 2.03 mT magnetic fields, the magnets generated up to 71 mT magnetic fields, and the linear actuator attained a maximum displacement of 318 μm at its resonant frequency (41.6 Hz). This study demonstrates the capability of multi-modal, multi-material extrusion 3D printing to fabricate all critical components of electrical machines, with magnetization of the hard magnets being the only post-printing step.
[...]
The potential of material extrusion 3D printing for the fabrication of electronics has led to the development and commercialization of several electrically conductive filaments, often made of polymer-based composites doped with metallic (e.g. copper [Citation20]) and carbon-based (e.g. graphene [Citation65]) fillers. Among the commercially available electrically conductive filaments, Electrifi (Multi3D, Middlesex, NC, USA) – a copper-reinforced PLA filament – is, to the best of our knowledge, the most electrically conductive. However, its resistivity, in the order of 10−4 Ω·m [Citation20], is still considerably high – about four orders of magnitude larger than that of bulk copper. This circumstance suggests the need to consider other forms of printable feedstock, such as inks and pastes, to be able to attain higher conductivities.

They wound up using pellets of silver-loaded conductive ink, along with a special/overlapping printing pattern to limit local spots of higher resistance.

Original Submission

Arthur T Knackerbracket writes:

CrystalX RAT comes with a handful of prankware:

Cybersecurity experts Kaspersky have detailed CrystalX RAT, a new malware-as-a-service (MaaS) offering rather similar to the popular WebRAT.

For data theft and infostealing, it enables keylogging, clipboard jacking, browser data theft, and desktop app data theft (Steam, Discord, Telegram).

Finally, for surveillance, it enables video capture through the camera, as well as audio capture through the microphone.

At the same time, it can be seen as prankware, as well. There are a handful of disturbance features thrown into the mix, such as the ability to change desktop wallpapers, alter display orientation to various angles, showing fake notification, changing the cursor position, hiding desktop icons, taskbar, Task Manager, and Command Prompt executable, and remapping the mouse.

Finally, it provides an attacker-victim chat window, allowing the attackers to tease, taunt, threaten, or demand money from their victims.

The PR campaign Kaspersky is mentioning is a series of fairly organized campaigns across different channels designed to entice potential buyers, since CrystalX RAT works on a tiered subscription model. Unfortunately, there was no word on how much a subscription costs. We only know that there are multiple tiers on offer.

The primary channel for promotions and subscriptions is Telegram, the famed instant chat platform. However, the MaaS is also being promoted on YouTube via a dedicated marketing channel which demonstrates its different features and capabilities.

fliptop writes:

After almost twenty years on the platform, EFF is logging off of X. This isn’t a decision we made lightly, but it might be overdue. The math hasn’t worked out for a while now:

We posted to Twitter (now known as X) five to ten times a day in 2018. Those tweets garnered somewhere between 50 and 100 million impressions per month. By 2024, our 2,500 X posts generated around 2 million impressions each month. Last year, our 1,500 posts earned roughly 13 million impressions for the entire year. To put it bluntly, an X post today receives less than 3% of the views a single tweet delivered seven years ago.

When Elon Musk acquired Twitter in October 2022, EFF was clear about what needed fixing.

We called for:

• Transparent content moderation: Publicly shared policies, clear appeals processes, and renewed commitment to the Santa Clara Principles
• Real security improvements: Including genuine end-to-end encryption for direct messages
• Greater user control: Giving users and third-party developers the means to control the user experience through filters and interoperability.

Twitter was never a utopia. We've criticized the platform for about as long as it’s been around. Still, Twitter did deserve recognition from time to time for vociferously fighting for its users’ rights. That changed. Musk fired the entire human rights team and laid off staffers in countries where the company previously fought off censorship demands from repressive regimes. Many users left. Today we're joining them.

TFA goes on to explain why they're remaining on Facebook and TikTok. They have vowed to keep fighting to protect digital rights.

Original Submission

hubie writes:

Experiments with hydrogen confirm fundamental quantum theory up to the 13th decimal place and solve proton radius puzzle:

Researchers at the Max Planck Institute for Quantum Optics (MPQ), Garching, in collaboration with Prof. Dr. Randolf Pohl from the Institute for Physics at Johannes Gutenberg University Mainz (JGU), have successfully conducted experiments on hydrogen atoms which allow testing of the Standard Model of particle physics up to the 13th decimal place. When it comes to measurements using hydrogen atoms, this is the most exact result to date. It allows researchers to, among other things, test predictions in hydrogen and solve the so-called proton radius puzzle. This puzzle has existed since measurements on two types of hydrogen indicated different proton radii. The new research results have recently been published in the journal Nature.

The Standard Model of particle physics encompasses the smallest-scale physics in a model consisting of particles and forces. One of its foundational components is quantum electrodynamics (QED). It described how light and matter fundamentally interact with each other. "Because hydrogen is relatively simple, it is well-suited for calculation. This means we can use it to test QED, and thus the Standard Model", explains Prof. Randolf Pohl. For their experiment, the researchers analyzed hydrogen's energetic structure using high-precision laser spectroscopy. They examined two different energy levels and determined the energy needed to transition from one level to the other, or, more specifically, their transition frequency. The measured transition frequency confirms the Standard Model with a deviation of less than one trillionth (0.7 parts per trillion). With this, the researchers have set a new benchmark in measuring the energy levels of hydrogen atoms. "This measurement is as good as the anomalous magnetic moment of the electron – the current gold standard for the confirmation of the Standard Model", says Pohl.

Thanks to this precision, the measurements taken confirm predictions made through the Standard Model which have never been confirmed in ordinary hydrogen before. "We are able to see very small, extremely interesting contributions that arise from the interaction with more complex particles called hadrons", says Dr. Lothar Maisenbacher from the MPQ, lead author of the study. Dr. Vitaly Wirthl, co-author and also from the MPQ, expands on this: "In the contributions to the transition frequency, we see muons in the electronic hydrogen for the first time. In theory, muon-antimuon particle pairs contribute to vacuum polarization, which is relevant for the precision of our measurement."

In addition to testing the Standard Model and QED, the scientists also used the hydrogen measurement to investigate the inconsistency with earlier measurements in muonic hydrogen. These measurements, lead by Prof. Pohl, use muonic hydrogen that possesses a muon instead of an electron. This elementary particle is similar to an electron, since it carries the same charge. However, it is more than 200 times heavier and has a lifespan of just two microseconds. The new measurement data means that the discrepancy between the two hydrogen types can be significantly ruled out for the first time. Both types have a proton radius of 0.8406 femtometers. However, it remains unclear how the discrepancy measured earlier can be explained.

Journal Reference: Maisenbacher, L., Wirthl, V., Matveev, A. et al. Sub-part-per-trillion test of the Standard Model with atomic hydrogen. Nature 650, 845–851 (2026). https://doi.org/10.1038/s41586-026-10124-3

Original Submission

Arthur T Knackerbracket writes:

https://news.mit.edu/2026/toward-cheaper-cleaner-hydrogen-production-0403

Hydrogen sits at the center of some of the world's most important industrial processes, but its production still comes with a heavy environmental cost. Today, most hydrogen is produced through high-emissions processes like steam methane reforming and coal gasification.

But hydrogen can also be made by splitting water molecules using renewable electricity, eliminating fossil fuel emissions and other toxic byproducts. Such "green hydrogen" is made by running an electric current through water in an electrolyzer.

Green hydrogen won't scale through decarbonization alone. It also has to be cost-competitive with the traditional methods of production.

1s1 Energy thinks it has the technology to finally make green hydrogen go mainstream. The company says its boron-based membrane material unlocks previously unachievable performance and durability in electrolyzers.

In tests with partners, 1s1 says, electrolyzers with its membranes needed just 70 percent of the energy to produce each kilogram of hydrogen, compared to incumbent devices.

"Green hydrogen has been a hard industry to have success in so far," acknowledges 1s1 co-founder Dan Sobek '88, SM '92, PhD '97. "The difference with us is we've done very targeted customer discovery. We have a very strong value proposition that's not just about decarbonization. We have a pipeline of potential customers that see around a 60 percent reduction in operating costs with our technology. That's a nice point of entry."

Although 1s1 is focused on hydrogen production now, its technology could also be used in fuel cells and solid-state batteries, and to extract critical metals from mining waste. The company is beginning trials in some of those applications, and it is working with a large materials company to scale up production of its membranes for hydrogen production.

"We're at an inflection point for the company," Sobek says. "The plan is, by 2030, to have a solid business in several segments: electrolyzers, mineral extraction, and in collaborations with several large companies. But right now, we have to be judicious and focused."

Sobek was born and raised in Argentina, but he also grew up at MIT over the course of three degrees and more than a decade. He first studied aeronautics and astronautics at MIT, then jumped to mechanical engineering as a graduate student, then moved to the Department of Electrical Engineering and Computer Science, where he worked under PhD advisors and MIT professors Martha Gray and Stephen Senturia. His thesis focused on a technique for quickly measuring optical properties of large numbers of biological cells.

"A lot of my learnings around microfabrication and materials chemistry ended up being really relevant for 1s1," Sobek says. "A class that was very important to me was taught by Professor Amar Bose. I was a teaching assistant for him for a couple of semesters, and that had an incredible influence on my thinking."

Following graduation, Sobek worked in microelectronics and microfluidics before founding his own company, Zymera, in 2004. The company developed deep-tissue imaging technology for detecting cancer and other serious diseases.

Around 2013, Sobek started talking to his Zymera co-founder, Sukanta Bhattacharyya, about making electrolysis more efficient, focusing on "proton exchange membrane" electrolyzers. Such electrolyzers employ a large amount of electricity to split water into hydrogen and oxygen ions. At their center is a membrane that can lose efficiency through voltage resistance.

fliptop writes:

Honda is deepening its retreat from an aggressive electric vehicle rollout, canceling three U.S.-bound EVs and warning that the shifting market could result in major financial losses as it pivots toward hybrids:

The automaker recently announced it will halt development and launch plans for the 0 Series SUV, 0 Series Saloon and the Acura RSX. Those models had been slated for U.S. production as early as this year following factory retooling tied to Honda’s next-generation EV strategy.

Honda said the decision reflects a rapidly changing business environment, including slower EV demand, tariff pressures and weaker-than-expected product performance in key markets.

“Honda determined that starting production and sales of these three models in the current business environment where the demand for EVs is declining significantly would likely result in further losses over the long term,” the company said in a statement.

The financial impact is substantial. Honda said total losses tied to the move could reach as much as $15.8 billion. That includes operating expenses projected between roughly $5.2 billion and $7.1 billion in the current fiscal year, reversing what had been an operating profit forecast just one month ago into an expected operating loss.

[...] Honda’s challenges extend beyond North America. The automaker acknowledged it has fallen behind competitors in China, particularly in EV cost competitiveness and in-vehicle software. Sales in China dropped sharply last year, further weighing on overall performance.

Previously:

• Honda Will Build a CR-V-Based Fuel Cell EV in Ohio in 2024
• Honda and LG are Investing $3.5 Billion in New Ohio Battery Factory

Original Submission

hubie writes:

New analyses of the planet's oldest minerals suggest a diversity of tectonic settings not previously expected more than 4 billion years ago:

Parts of the ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

New research led by scientists at the University of Wisconsin–Madison has uncovered chemical signatures in zircons, the planet's oldest minerals, that are consistent with subduction and extensive continental crust during the Hadean Eon, more than 4 billion years ago. The findings challenge models that have long considered Earth's earliest times as dominated by a rigid, unmoving "stagnant lid" and no continental crust, with potential implications for the timing of the origin of life on the planet.

The study, published Feb. 4 in the journal Nature, is based on chemical analyses of ancient zircons found in the Jack Hills of Western Australia. These sand-sized grains preserve the only direct records of Earth's first 500 million years and offer rare insight into how the planet's surface and interior interacted as continents first formed.

[...] These elements are essentially fingerprints of the environments where the zircons formed, allowing the scientists to distinguish zircons that formed in magmas that originated in the Earth's mantle beneath Earth's crust from those associated with subduction and continental crust. Because zircons lock in their chemistry when they crystallize and are highly resistant to alteration, they preserve uniquely reliable records of early Earth processes, even after several billion years.

"They're tiny time capsules and they carry an enormous amount of information," says John Valley, a professor emeritus of geoscience at UW–Madison who led the research.

Valley says that the chemistry of zircons found in the Jack Hills clearly shows that they originated from a much different source than other Hadean zircons found in South Africa, which carry a chemical signature typical of more primitive rocks originating within the Earth's mantle.

"What we found in the Jack Hills is that most of our zircons don't look like they came from the mantle," says Valley. "They look like continental crust. They look like they formed above a subduction zone."

Together, the two groups of zircons suggest that early Earth was not dominated by a single tectonic style, according to Valley.

[...] The oldest accepted microfossils are about 3.5 billion years old, but the Jack Hills zircons push evidence for potentially habitable surface conditions much earlier.

"We propose that there was about 800 million years of Earth history where the surface was habitable, but we don't have fossil-evidence and don't know when life first emerged on Earth," Valley says.

As scientists continue to hunt for evidence of what the earliest Earth was like, Valley says the latest results are an example of the power of improving and refining laboratory techniques.

"Our new analytical capabilities opened a window into these amazing samples," he says. "The Hadean zircons are literally so small you can't see them without a lens, and yet they tell us about the otherwise unknown story of the earliest Earth."

Journal Reference: Valley, J.W., Blum, T.B., Kitajima, K. et al. Contemporaneous mobile- and stagnant-lid tectonics on the Hadean Earth. Nature 650, 636–641 (2026). https://doi.org/10.1038/s41586-025-10066-2

Original Submission

An Anonymous Coward writes:

https://www.osnews.com/story/144737/adobe-secretly-modifies-your-hosts-file-for-the-stupidest-reason/

If you're using Windows or macOS and have Adobe Creative Cloud installed, you may want to take a peek at your hosts file. It turns out Adobe adds a bunch of entries into the hosts file, for a very stupid reason.

        They're using this to detect if you have Creative Cloud already installed when you visit on their website.

        When you visit https://www.adobe.com/home, they load this image using JavaScript:

        https://detect-ccd.creativecloud.adobe.com/cc.png

        If the DNS entry in your hosts file is present, your browser will therefore connect to their server, so they know you have Creative Cloud installed, otherwise the load fails, which they detect.

They used to just hit http://localhost:/cc.png which connected to your Creative Cloud app directly, but then Chrome started blocking Local Network Access, so they had to do this hosts file hack instead.
        ↫ thenickdude at Reddit

At what point does a commercial software suite become malware?

Original Submission

An Anonymous Coward writes:

https://9to5linux.com/debians-apt-3-2-released-with-history-undo-redo-and-rollback-support

This release will be part of the upcoming Debian 14 "Forky" operating system series, due out in June-July 2027.

The Debian Project tagged today APT 3.2 as the latest stable release of this package manager for Debian-based distributions that lets you install, update, and remove packages from your system.

The biggest new feature in the APT 3.2 release is the long-anticipated rollback and history functionality that other package managers like DNF for Red Hat-based distros. This change was actually implemented in the development version 3.1.7, but it's now part of the stable APT 3.2 release.

The native rollback features have been implemented in the form of the following commands: history-list to show a list of history, history-info to show info on specific transactions, history-redo to redo transactions, history-undo to undo transactions, and history-rollback to rollback transactions.

The history/undo features work pretty much the same as with DNF if you used Fedora Linux or a similar distro before. With apt history-list you can see all the transactions, then you can use apt history-info ID to see what packages were installed, and you can revert the change with the apt history-undo ID command.

Since APT 3.1, this release introduces a much-improved solver, the internal engine responsible for resolving package dependencies, that now supports upgrade by source package and the ability to prevent your system from accidentally deleting essential software during an update on setups where binaries aren't published together for all architectures.

APT's solver is now also capable of sorting dependency targets against the current alternative, as well as allowing the removal of manually installed packages. Moreover, APT 3.2 introduces JSONL performance counter logging and the ability to prevent your computer from entering sleep while running the dpkg command.

APT 3.2 will be part of the upcoming Debian 14 "Forky" release, due out in June-July 2027, but you will be able to enjoy the native rollback functionality in the forthcoming Ubuntu 26.04 LTS (Resolute Racoon) operating system that Canonical plans to officially release later this month, on April 23rd, 2026.

Meanwhile, Debian Sid (Unstable) users can already enjoy the APT 3.2 release just by updating their installations with the sudo apt update && sudo apt install apt commands. More details on today's APT 3.2 release can be found on tracker.debian.org.

Original Submission

hubie writes:

A UCLA-led research team demonstrated that minuscule wires made from two unconventional materials can potentially reduce noise below the lowest level possible in traditional electronics:

That low-frequency fuzz that can bedevil cellphone calls has to do with how electrons move through and interact in materials at the smallest scale. The electronic flicker noise is often caused by interruptions in the flow of electrons by various scattering processes in the metals that conduct them.

The same sort of noise hampers the detecting powers of advanced sensors. It also creates hurdles for the development of quantum computers — devices expected to yield unbreakable cybersecurity, process large-scale calculations and simulate nature in ways that are currently impossible.

A much quieter, brighter future may be on the way for these technologies, thanks to a new study led by UCLA. The research team demonstrated prototype devices that, above a certain voltage, conducted electricity with lower noise than the normal flow of electrons.

These experimental devices used unconventional materials to form nanowires, ribbons so thin that it would take a thousand or more to match the width of a strand of hair. In contrast to conventional electronics — in which noise levels tend to remain constant — the nanowires displayed a surprising property: Noise dropped as the electrical current increased.

The behavior of the materials was driven by a quantum phenomenon in which electrons move in concert with phonons, temperature-driven vibrations that can cause flicker noise. Importantly, one of the materials in the study dampened noise at room temperature and above.

"Normally we think about phonons as the bad guys that are scattering electrons," said corresponding author Alexander Balandin, holder of the Fang Lu Endowed Chair in Engineering at the UCLA Samueli School of Engineering, distinguished professor of materials science and engineering and a member of the California NanoSystems Institute at UCLA (CNSI). "In this particular case, we found the phonons allowed electrons to jointly move along. This weird, unique property with respect to noise could allow us to improve signal-to-noise ratio."

When voltage is applied to a metallic wire, electrons travel under the action of the electric field, constantly being bumped off-path by phonons and various defects in materials, which results in noisy current. The researchers took advantage of an additional mode for electrons to move, under very specific circumstances induced by the counterintuitive rules of quantum mechanics. In this mode, electrons tend to clump together in periodic patterns that are enabled by interactions with phonons and largely synchronized with phonons.

By analogy, electrons can be pictured as surfers traveling the ocean of a conducting material, with waves of phonons flowing through it.

In the usual mode, electrons act like newbie surfers, occasionally getting knocked off their boards by phonon waves. Electrons in the quantum-based mode are like expert surfers, catching phonon waves and using their energy to move along smoothly.

With the motion of phonons and electrons so closely connected, the materials that unlock expert-surfer mode are called "strongly correlated materials."

[...] Balandin envisions a future in which strongly correlated materials can be used as conductors for connecting components on computer chips. He thinks these materials may even support a fundamental change in circuit architecture.

"All good things come to an end," he said. "With the demand for high-end, high-power computation for artificial intelligence, we have to look at materials that, 10-plus years from now, can give us an alternative means for sending electrical signals and processing them."

The researchers plan to further investigate the materials from this study, while also seeking other materials that carry charge density waves even more efficiently at room temperature.

"Perhaps there are materials that are even better," Balandin said. "The search is on."

Journal Reference: Ghosh, S., Sesing, N., Nataj, Z.E. et al. A quieter state of charge and ultra-low-noise of the collective current in quasi-1D charge-density-wave nanowires. Nat Commun 17, 116 (2026). https://doi.org/10.1038/s41467-025-67567-x

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