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Comments:63 | Votes:116

posted by hubie on Sunday August 21 2022, @11:23PM   Printer-friendly
from the supporting-the-troops dept.

Army creating first tactical bra for female soldiers:

The bra, dubbed the Army Tactical Brassier, is in development at the U.S. Army Combat Capabilities Development Command Center in Natick, Mass., according to the Army Times, which was the first to report the bra's development.

[...] If approved, it would make the garment the first tactical bra to be added to the U.S. Army's uniform.

Women make up about 16 percent of those in active duty in the United States armed forces, according to data from the Brookings Institute.

The Army is working on a tactical bra:

The bra's development began with a survey given to female soldiers on what type of functionality and preferences should be considered during initial design. It has been labeled a "tactical rather than sportswear item," according to Soldier Touchpoints.

It's meant to integrate into existing body armor and give an added level of protection to female soldiers.

"This means that designers are evaluating options such as the inclusion of flame-retardant fabrics and expertly layered compression, structural and protective materials while also taking into account the importance of accurate sizing, reliable comfort, moisture management and breathability," Touchpoints noted.

"The overall goal is to produce garments that not only protect the user, but reduce the cognitive burden on the female Soldier caused by discomfort and ill fit," said Ashley Cushon, clothing designer and project lead for the ATB at the DEVCOM Soldier Center. "Achieving this will improve the Soldier's overall readiness and performance levels, allowing them to focus on their mission," she explained.


Original Submission

posted by hubie on Sunday August 21 2022, @06:37PM   Printer-friendly
from the rubber-ducky-you're-the-one dept.

Hak5's new USB Rubber Ducky, unveiled at the Def Con hacking conference in Las Vegas, is more effective than ever, thanks to the inclusion of a new structured programming language (DuckyScript 3.0) that allows it to execute more sophisticated hacks.

The beloved hacker tool can now pwn you with its own programming language:

To the human eye, the USB Rubber Ducky looks like an unremarkable USB flash drive. Plug it into a computer, though, and the machine sees it as a USB keyboard — which means it accepts keystroke commands from the device just as if a person was typing them in.

"Everything it types is trusted to the same degree as the user is trusted," Kitchen told me, "so it takes advantage of the trust model built in, where computers have been taught to trust a human. And a computer knows that a human typically communicates with it through clicking and typing."

[...] The newest Rubber Ducky [...] ships with a major upgrade to the DuckyScript programming language, which is used to create the commands that the Rubber Ducky will enter into a target machine. While previous versions were mostly limited to writing keystroke sequences, DuckyScript 3.0 is a feature-rich language, letting users write functions, store variables, and use logic flow controls (i.e., if this... then that).

[...] Perhaps most impressively, it can steal data from a target machine by encoding it in binary format and transmitting it through the signals meant to tell a keyboard when the CapsLock or NumLock LEDs should light up. With this method, an attacker could plug it in for a few seconds, tell someone, "Sorry, I guess that USB drive is broken," and take it back with all their passwords saved.

[...] It also comes with an online development suite, which can be used to write and compile attack payloads, then load them onto the device. And it's easy for users of the product to connect with a broader community: a "payload hub" section of the site makes it easy for hackers to share what they've created, and the Hak5 Discord is also active with conversation and helpful tips.

Shouldn't this be fairly easy to block by something like the OS requiring user confirmation to connect a communications device ("Do you want to connect this keyboard?")? [hubie]


Original Submission

posted by hubie on Sunday August 21 2022, @01:50PM   Printer-friendly
from the I-must-be-made-of-beer dept.

Researchers said there are three main clusters of foods that share similar genetic components:

People's genes play a significant role in why they love certain types of food but dislike others, according to a new study.

[...] The researchers said they found 401 genetic variants that influence which foods the participants liked. Many of these variants affected more than one food-liking trait, but some only affected one particular food.

[...] The food map created in the study suggests there are three main clusters of foods that share a similar genetic component.

One group is made up of high-calorie foods such as meat, dairy and desserts. The second group consists of strong-tasting foods that are known as an acquired taste, such as alcohol and pungent vegetables. The third group contains low-calorie foods such as fruit and vegetables.

The researchers also said that these food groups shared genes that are associated with distinct health traits, such as obesity and cholesterol profiles.

Dr Nicola Pirastu from Human Technopole said that although taste receptors are important in determining which foods people like, it is "what happens in your brain which is driving what we observe".

"Another important observation is that the main division of preferences is not between savoury and sweet foods, as might have been expected, but between highly pleasurable and high-calorie foods and those for which taste needs to be learned," Pirastu said.

Journal Reference:
May-Wilson, S., Matoba, N., Wade, K.H. et al. Large-scale GWAS of food liking reveals genetic determinants and genetic correlations with distinct neurophysiological traits. Nat Commun 13, 2743 (2022). 10.1038/s41467-022-30187-w


Original Submission

posted by janrinok on Sunday August 21 2022, @09:05AM   Printer-friendly
from the proprietary-js-from-a-bankrupt-company dept.

The James Webb Space Telescope runs JavaScript, apparently

It turns out that JavaScript, the programming language that web developers and users alike love to complain about, had a hand in delivering the stunning images that the James Webb Space Telescope has been beaming back to Earth. And no, I don't mean that in some snarky way, like that the website NASA hosts them on uses JavaScript (it does). I mean that the actual telescope, arguably one of humanity's finest scientific achievements, is largely controlled by JavaScript files. Oh, and it's based on a software development kit from 2002.

[....] This knowledge has been bubbling up on the internet in Hacker News and Twitter threads for years, but it still surprised quite a few of us here at The Verge once it actually clicked. At first blush, it just seems odd that such a vital (not to mention expensive) piece of scientific equipment would be controlled by a very old version of a technology that's not particularly known for being robust.

After thinking about it for a second, though, the software's age makes a bit more sense — while the JWST was launched in late 2021, the project has been in the works since 1989.

[....] NASA's document says that this way of doing things gives "operations personnel greater visibility, control and flexibility over the telescope operations," letting them easily change the scripts "as they learn the ramifications and subtleties of operating the instruments." Basically, NASA's working with a bunch of files that are written in a somewhat human-readable format — if they need to make changes, they can just open up a text editor, do a bunch of testing on the ground, then send the updated file to the JWST

I would remind everyone that SpaceX Dragon 2 crewed capsule's touch screen control panels are run by the Chrome browser and Javascript.


Original Submission

posted by hubie on Sunday August 21 2022, @04:19AM   Printer-friendly
from the hard-drives-that-are-part-of-the-rhythm-nation dept.

https://devblogs.microsoft.com/oldnewthing/20220816-00/?p=106994

A colleague of mine shared a story from Windows XP product support. A major computer manufacturer discovered that playing the music video for Janet Jackson's "Rhythm Nation" would crash certain models of laptops. I would not have wanted to be in the laboratory that they must have set up to investigate this problem.

[...] One discovery during the investigation is that playing the music video also crashed some of their competitors' laptops.

And then they discovered something extremely weird: Playing the music video on one laptop caused a laptop sitting nearby to crash, even though that other laptop wasn't playing the video!

It turns out that the song contained one of the natural resonant frequencies for the model of 5400 rpm laptop hard drives that they and other manufacturers used.


Original Submission

posted by janrinok on Saturday August 20 2022, @11:35PM   Printer-friendly
from the we-got-the-crude-oil-blues dept.

Arthur T Knackerbracket has processed the following story:

Images of damaged coastlines, oily sheens, containment booms and endangered wildlife are part of every offshore oil spill.

And while a response team arrives and the clean up gets underway, UBC Okanagan researchers are now exploring how to effectively handle the waste created from that spill.

As part of a Multi-Partner Research Initiative sponsored by Fisheries and Oceans Canada, UBCO engineers are conducting new research to help the oil spill response industry and its regulators enhance response preparedness and efficiency in Canadian waters. A new research study, published recently in the Journal of Hazardous Materials, conducts a lifecycle assessment of oil spill waste mitigation and how to properly dispose of the refuse.

"We never want to experience any sort of spill, but when it happens we need to be prepared," explains Dr. Guangji Hu, a School of Engineering postdoctoral fellow and report co-author. "If a spill is on land, contaminated soil can be removed and remediated off-site, but that simply isn't feasible on the water."

Using a lifecycle assessment approach, the researchers developed a framework to help decision-makers effectively manage the waste of an offshore oil spill cleanup. The lifecycle assessment quantifies the environmental impacts associated with products and services at different points of their life cycle.

The lifecycle assessment compared various strategies for treating wastes—including its collection, segregation and sorting, initial treatment, secure transportation of waste materials, resource recovery and the final disposal of all soiled materials—as well as the resulting environmental impacts, particularly on scenarios situated in Western Canada.

Addressing maritime oil spills is a complex process with many variables including type of oil, tides and water composition, explains Saba Saleem, an engineering master's student with UBCO's Lifecycle Management Lab.

"Every spill is unique, but with this new tool we can identify the barriers, gaps and bottlenecks in oily waste management during an offshore oil spill response and enable decision makers to make more informed choices," says Saleem, who is also the study's lead author.

[...] "Analyzing these challenging situations in a holistic manner through lifecycle assessment allows us to develop a framework that encompasses nearly every possible scenario of offshore oil waste management," Dr. Hu adds. "As a result, stakeholders have one more tool to address these spills quickly and effectively."


Original Submission

posted by janrinok on Saturday August 20 2022, @06:44PM   Printer-friendly

How I Hacked my Car:

Last summer I bought a 2021 Hyundai Ioniq SEL. It is a nice fuel-efficient hybrid with a decent amount of features like wireless Android Auto/Apple CarPlay, wireless phone charging, heated seats, & a sunroof.

One thing I particularly liked about this vehicle was the In-Vehicle Infotainment (IVI) system. As I mentioned before it had wireless Android Auto which seemed to be uncommon in this price range, and it had pretty nice, smooth animations in its menus which told me the CPU/GPU in it wasn't completely underpowered, or at least the software it was running wasn't super bloated.

As with many new gadgets I get, I wanted to play around with it and ultimately see what I could do with it.

The IVI in the car, like many things these days, is just a computer. My goal was to hack the IVI to get root access and hopefully be able to run my own software on it. Of course, the first step in hacking a device like this is research.

Some of the obvious things that I looked up were:

  • What is the device running?
    • There are two versions of the IVI, the navigation one that runs Android, and a Linux based one.
  • Has anyone else hacked this before?
  • Does the non-navigation IVI have an Engineering Mode?

I love developer settings and test apps. There is usually tons of fun to be had playing around with them. I thought I might even get lucky and it would have an option to enable an SSH server or the like.

This is one of those summaries that can never do the full article justice. The only option is to read the linked article - I found it well worth the read! [JR]


Original Submission

posted by janrinok on Saturday August 20 2022, @01:57PM   Printer-friendly
from the just-say-no-till dept.

Farmland values in the Midwest increase when no-till farming becomes more prevalent:

No-till farming, considered to be a more environmentally friendly farming practice that reduces soil disturbance when compared with conventional practices, appears to have an important benefit besides reducing soil erosion and nutrient runoff.

A new study from North Carolina State University, capturing county-level data from 12 states in the U.S. Midwest, shows that no-till farming increases agricultural land values, with a 1% increase in no-till farming translating to a $7.86 per acre increase in land values across the Midwest. In Iowa, the data show a $14.75 per acre increase in land value with a 1% increase in no-till farming.

[...] "This study suggests that farmland benefits translate into land value benefits, which is typically not considered in debates on no-till pros and cons, and ultimately whether or not conventional-till farmers should convert to no-till practices," Rejesus said.

No-till farming practices leave crop residue on farmlands after harvesting. Farmers plant seeds the following season through the remaining residue. No-till farming typically reduces labor and fuel costs for farmers when compared with traditional practices, although the academic literature also shows disparities in terms of no-till effects on crop yields and soil productivity. About 37% of U.S. farm acreage uses no-till farming, with strong adoption rates in the Northeast, the mid-Atlantic states and the Midwest.

A side benefit is that if farmers don't need their tillers, they can use them to play Doom.

Journal Reference:
Le Chen, Roderick M. Rejesus, Serkan Aglasan, et al., The impact of no-till on agricultural land values in the United States Midwest [open], Amer J Agr Econ, 2022. DOI: 10.1111/ajae.12338


Original Submission

posted by janrinok on Saturday August 20 2022, @09:14AM   Printer-friendly

Arthur T Knackerbracket has processed the following story:

Superconductors are the key to lossless current flow. However, the realization of superconducting diodes has only recently become an important topic of fundamental research. An international research team involving the theoretical physicist Mathias Scheurer from the University of Innsbruck have now succeeded in reaching a milestone: the realization of a superconducting diode effect without an external magnetic field, thus proving the assumption that superconductivity and magnetism coexist. They report on this in Nature Physics.

One speaks of a superconducting diode effect when a material behaves like a superconductor in one direction of current flow and like a resistor in the other. In contrast to a conventional diode, such a superconducting diode exhibits a completely vanishing resistance and thus no losses in the forward direction. This could form the basis for future lossless quantum electronics. Physicists first succeeded in creating the diode effect about two years ago, but with some fundamental limitations. "At that time, the effect was very weak and it was generated by an external magnetic field, which is very disadvantageous in potential technological applications," explains Mathias Scheurer from the Institute of Theoretical Physics at the University of Innsbruck.

The new experiments carried out by experimental physicists at Brown University, described in the current issue of Nature Physics, do not require an external magnetic field. In addition to the aforementioned application-relevant advantages, the experiments confirm a thesis previously theorized by Mathias Scheurer: Namely, that superconductivity and magnetism coexist in a system consisting of three graphene layers twisted against each other. The system thus virtually generates its own internal magnetic field, creating a diode effect.

More information:Jiang-Xiazi Lin et al, Zero-field superconducting diode effect in small-twist-angle trilayer graphene, Nature Physics (2022). DOI: 10.1038/s41567-022-01700-1
Journal information: Nature Physics


Original Submission

posted by janrinok on Saturday August 20 2022, @04:28AM   Printer-friendly
from the we're-having-a-heat-wave-a-tropical-heat-wave dept.

Today's heat waves feel a lot hotter than heat index implies:

If you looked at the heat index during this summer's sticky heat waves and thought, "It sure feels hotter!," you may be right.

An analysis by climate scientists at the University of California, Berkeley, finds that the apparent temperature, or heat index, calculated by meteorologists and the National Weather Service (NWS) to indicate how hot it feels — taking into account the humidity — underestimates the perceived temperature for the most sweltering days we're now experiencing, sometimes by more than 20 degrees Fahrenheit.

[...] The finding has implications for those who suffer through these heat waves, since the heat index is a measure of how the body deals with heat when the humidity is high, and sweating becomes less effective at cooling us down. Sweating and flushing, where blood is diverted to capillaries close to the skin to dissipate heat, plus shedding clothes, are the main ways humans adapt to hot temperatures.

[...] The heat index was devised in 1979 by a textile physicist, Robert Steadman, who created simple equations to calculate what he called the relative "sultriness" of warm and humid, as well as hot and arid, conditions during the summer. He saw it as a complement to the wind chill factor commonly used in the winter to estimate how cold it feels.

His model took into account how humans regulate their internal temperature to achieve thermal comfort under different external conditions of temperature and humidity — by consciously changing the thickness of clothing or unconsciously adjusting respiration, perspiration and blood flow from the body's core to the skin.

[...] The heat index has since been adopted widely in the United States, including by the NWS, as a useful indicator of people's comfort. But Steadman left the index undefined for many conditions that are now becoming increasingly common. For example, for a relative humidity of 80%, the heat index is not defined for temperatures above 88 F or below 59 F. Today, temperatures routinely rise above 90 F for weeks at a time in some areas, including the Midwest and Southeast.

To account for these gaps in Steadman's chart, meteorologists extrapolated into these areas to get numbers that, Romps said, are correct most of the time, but not based on any understanding of human physiology.

[...] That and a few other tweaks to Steadman's equations yielded an extended heat index that agrees with the old heat index 99.99% of the time, Romps said, but also accurately represents the apparent temperature for regimes outside those Steadman originally calculated. When he originally published his apparent temperature scale, he considered these regimes too rare to worry about, but high temperatures and humidities are becoming increasingly common because of climate change.


Original Submission

posted by janrinok on Friday August 19 2022, @11:45PM   Printer-friendly
from the leaky-plumbing dept.

Arthur T Knackerbracket has processed the following story:

A security researcher says that Apple's iOS devices don't fully route all network traffic through VPNs, a potential security issue the device maker has known about for years.

Michael Horowitz, a longtime computer security blogger and researcher, puts it plainly—if contentiously—in a continually updated blog post. "VPNs on iOS are broken," he says.

Any third-party VPN seems to work at first, giving the device a new IP address, DNS servers, and a tunnel for new traffic, Horowitz writes. But sessions and connections established before a VPN is activated do not terminate and, in Horowitz's findings with advanced router logging, can still send data outside the VPN tunnel while it's active.

In other words, you'd expect a VPN to kill existing connections before establishing a connection so they can be re-established inside the tunnel. But iOS VPNs can't seem to do this, Horowitz says, a finding that is backed up by a similar report from May 2020.

"Data leaves the iOS device outside of the VPN tunnel," Horowitz writes. "This is not a classic/legacy DNS leak, it is a data leak. I confirmed this using multiple types of VPN and software from multiple VPN providers. The latest version of iOS that I tested with is 15.6."

Privacy company Proton previously reported an iOS VPN bypass vulnerability that started at least in iOS 13.3.1. Like Horowitz's post, ProtonVPN's blog noted that a VPN typically closes all existing connections and reopens them inside a VPN tunnel, but that didn't happen on iOS. Most existing connections will eventually end up inside the tunnel, but some, like Apple's push notification service, can last for hours.


Original Submission

posted by janrinok on Friday August 19 2022, @09:03PM   Printer-friendly
from the chips-go-boom dept.

Arthur T Knackerbracket has processed the following story:

After dealing with booming demand and global shortages since the start of the pandemic, the semiconductor industry is facing a sudden downturn.

But even for an industry accustomed to frequent cyclical slumps, this one has defied easy analysis and left researchers struggling to predict how the setback will play out.

The sudden glut in memory chips, PC processors, and some other semiconductors has come at a time when manufacturers in many automotive and industrial markets still lack a reliable supply of chips.

It has also forced some of the biggest US chipmakers to slash billions of dollars from planned capital spending, at the very moment that Washington has passed a long-awaited law to subsidize a huge increase in domestic chip manufacturing capacity.

The speed of the turn, and the conflicting forces at work, had been unprecedented, said Dan Hutcheson, the veteran chief executive of VLSI Research who has analyzed chip cycles since the 1980s.

“I’ve never seen a time when we had excessive inventory and we had shortages,” he said.


Original Submission

posted by hubie on Friday August 19 2022, @06:21PM   Printer-friendly
from the I-prefer-my-microcarriers-medium-rare dept.

Arthur T Knackerbracket has processed the following story:

Researchers at UCLA have created an edible particle that helps make lab-grown meat, known as cultured meat, with more natural muscle-like texture using a process that could be scaled up for mass production.

Led by Amy Rowat, who holds UCLA's Marcie H. Rothman Presidential Chair of Food Studies, the researchers have invented edible particles called microcarriers with customized structures and textures that help precursor muscle cells grow quickly and form muscle-like tissues. Edible microcarriers could reduce the expense, time, and waste required to produce cultured meat with a texture that appeals to consumers. The results are published in the journal Biomaterials.

[...] Mass production of cultured meat will involve surmounting several challenges. Current methods can produce a cultured steak that mimics the structure of T-bone, but not at the volume needed for food production. In an animal's body, the muscle cells most commonly eaten as food grow on a structure called the extracellular matrix, which determines the shape of the mature tissue. Animal tissue can be grown in a lab using scaffolds made from collagen, soy protein or another material to replace the extracellular matrix. This process, necessary to produce whole tissues resembling steaks or chops, is labor intensive and takes weeks, making it hard to scale up for industrial production. It takes about 100 billion muscle cells to produce a single kilogram, or 2.2 pounds, of cultured meat.

Growing larger volumes of cultured meat at a faster pace involves making a paste or slurry of cells in a container called a bioreactor. Unfortunately, without a stiff substrate, meat grown this way lacks the muscle-like structure and therefore, texture and consistency, of what people are used to eating.

[...] The internal structure of the tissue grown on edible microcarriers looked more like natural muscle tissue than that grown on inedible carriers, suggesting that the edible microcarriers encouraged more natural growth. Norris, who is a postdoctoral scholar, was surprised to find that cells and microcarriers spontaneously combined to form microtissues that contained a significant amount of myotubes, which are precursors to muscle fibers.

[...] To harvest the tissues, a centrifuge separated the cell clumps from the growth medium. They were rinsed to remove traces of growth medium, compressed into a disk two centimeters, or about 3/4 inch, in diameter, and cooked in a frying pan with olive oil. The cooked patty had the rough, brown surface texture and overall appearance of a tiny hamburger patty.

Journal Reference:
Sam C.P. Norris et al, Emulsion-templated microparticles with tunable stiffness and topology: Applications as edible microcarriers for cultured meat [open], Biomaterials (2022). DOI: 10.1016/j.biomaterials.2022.121669


Original Submission

posted by hubie on Friday August 19 2022, @03:35PM   Printer-friendly
from the touch-me-again-so-tenderly dept.

Physical buttons are increasingly rare in modern cars. Most manufacturers are switching to touchscreens – which perform far worse in a test carried out by Vi Bilägare.:

The screens in modern cars keep getting bigger. Design teams at most car manufacturers love to ditch physical buttons and switches, although they are far superior safety-wise.

That is the conclusion when Swedish car magazine Vi Bilägare performed a thurough test of the HMI system (Human-Machine Interface) in a total of twelve cars this summer.

Inspiration for the screen-heavy interiors in modern cars comes from smartphones and tablets. Designers want a "clean" interior with minimal switchgear, and the financial department wants to lower the cost. Instead of developing, manufacturing and keeping physical buttons in stock for years to come, car manufacturers are keen on integrating more functions into a digital screen which can be updated over time.

So in what way have these screens affected safety? Vi Bilägare gathered eleven modern cars from different manufacturers at an airfield och measured the time needed for a driver to perform different simple tasks, such as changing the radio station or adjusting the climate control. At the same time, the car was driven at 110 km/h (68 mph). We also invited an "old-school" car without a touchscreen, a 17-year-old Volvo V70, for comparison.

One important aspect of this test is that the drivers had time to get to know the cars and their infotainment systems before the test started.

Tesla was not the first to introduce a touchscreen, but the American carmaker has always offered bigger touchscreens than most manufacturers, containing more of the car's features. Even the windshield wipers are controlled through the touchscreen.

[...] The carmakers are keen to point out that many features now can be activated by voice. But the voice control systems are not always easy to use, they can't control every function and they don't always work as advertised, which is why the voice control systems were not tested in this experiment.

The results speak for themselves. The worst-performing car needs 1,400 meters to perform the same tasks for which the best-performing car only needs 300 meters.

Needing to use a touchscreen for the wipers would drive me mad.


Original Submission

posted by janrinok on Friday August 19 2022, @12:48PM   Printer-friendly
from the gimmie-five dept.

Official Ubuntu RISC-V Images Released For StarFive's VisionFive Board

Canonical engineers spent the past few months back-porting various patches and ensuring that Ubuntu 22.04 LTS could run well on this RISC-V board. The StarFive VisionFive is a currently $179 USD RISC-V board that is intended to run full-blown RISC-V Linux distributions. The board is powered by a dual-core SiFive U74 RV64 SoC @ 1.0GHz, there is 8GB of system memory, a NVDLA deep learning accelerator engine, Tensilica-VP6 Vision DSP, and a neural network engine. The board also has WiFi 802.11n, Bluetooth 4.2, HDMI output, four USB 3.0 ports, Gigabit Ethernet, and powered via USB-C or from the 40-pin GPIO header.

[...] Meanwhile StarFive is already teasing that the VisionFive V2 RISC-V SBC will be coming out soon as its successor.

Now you can run Ubuntu on a VisionFive single-board PC with a RISC-V processor

Aimed at developers, the first model launched last year with a dual-core processor, while a second-gen version with a quad-core chip and other upgrades is expected to be announced August 23, 2022.


Original Submission