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Do you put ketchup on the hot dog you are going to consume?

  • Yes, always
  • No, never
  • Only when it would be socially awkward to refuse
  • Not when I'm in Chicago
  • Especially when I'm in Chicago
  • I don't eat hot dogs
  • What is this "hot dog" of which you speak?
  • It's spelled "catsup" you insensitive clod!

[ Results | Polls ]
Comments:91 | Votes:251

posted by Fnord666 on Tuesday March 09 2021, @10:05PM   Printer-friendly
from the Ten-years-away! dept.

Premature announcement? Article at Wired says Microsoft is retracting Quantum computing claim.

A Microsoft-led team of physicists has retracted a high-profile 2018 paper that the company touted as a key breakthrough in the creation of a practical quantum computer, a device that promises vast new computing power by tapping quantum mechanics.

The retracted paper came from a lab headed by Microsoft physicist Leo Kouwenhoven at Delft University of Technology in the Netherlands. It claimed to have found evidence of Majorana particles, long-theorized but never conclusively detected. The elusive entities are at the heart of Microsoft's approach to quantum computing hardware, which lags behind that of others such as IBM and Google.

WIRED reported last month that other physicists had questioned the discovery after receiving fuller data from the Delft team. Sergey Frolov, from the University of Pittsburgh, and Vincent Mourik, at University of New South Wales, in Australia, said it appeared that data that cast doubt on the Majorana claim was withheld.

Cherrypicking through the windows? Say it ain't so, Bill!

Monday, the original authors published a retraction note in the prestigious journal Nature, which published the earlier paper, admitting the whistleblowers were right. Data was "unnecessarily corrected," it says. The note also says that repeating the experiment revealed a miscalibration error that skewed all the original data, making the Majorana sighting a mirage. "We apologize to the community for insufficient scientific rigor in our original manuscript," the researchers wrote.

Also at Retraction Watch

Journal Reference:
Hao Zhang, Chun-Xiao Liu, Sasa Gazibegovic, et al. RETRACTED ARTICLE: Quantized Majorana conductance, Nature (DOI: 10.1038/nature26142)

Foreseen here: Microsoft’s Big Win in Quantum Computing Was an ‘Error’ After All


Original Submission

posted by Fnord666 on Tuesday March 09 2021, @05:07PM   Printer-friendly
from the collective-bargaining dept.

Software Workers at Glitch Get a Historic Union Contract:

Glitch, the software company behind Trello and Stack Overflow, now has a collective bargaining agreement with the Communications Workers of America (CWA). The news is extraordinary, not just because they claim to be the first software workers to have secured a collective bargaining agreement, but because the lead-up to ratification has been so quiet: no leaked memos of smear campaigns, no evidence of union-busting firms. Wonderful, and eerie.

The contract is the outcome of an overwhelming majority vote to unionize under the CWA in March 2020, just before Glitch laid off about a third of its staff, citing the economic downturn. In a joint press release, Glitch workers and the CWA describe Glitch as an unusually willing partner in the negotiations. "Glitch's management, which voluntarily recognized the union after it was announced, is an exception and should serve as a model for executives at other tech companies," it reads.

[...] Over the past few years, unions have gone from taboo to a conceivable future for tech. Along with a wave of media outlets, workers at the podcasting company Gimlet (under Spotify) voted to unionize in 2019. Recently, Medium workers (primarily engineers) lost a unionization effort by one vote but plan to keep moving forward. Meanwhile, a union tide has also swept online media outlets.


Original Submission

posted by Fnord666 on Tuesday March 09 2021, @02:38PM   Printer-friendly
from the Jumping-on-the-EV-bandwagon dept.

FedEx plans for an all-electric delivery fleet by 2040:

FedEx will replace its current delivery trucks with electric models until its entire fleet is made up of zero—emission vehicles by 2040. The company is making the transition as a way to help it achieve its goal to reach carbon neutral status in the same year. In its announcement, FedEx says its will slowly phase out its existing parcel delivery trucks and that 50 percent of its global vehicle purchases will be electric by 2025. All its vehicle purchases will be EVs by 2030, and it's aiming to retire its gas-powered trucks completely 10 years after that.

[...] FedEx also plans to work with customers to make their supply chains sustainable with carbon–neutral shipping offerings and sustainable packaging solutions. In addition, it will invest money into making its facilities worldwide more efficient and to give them the capability to run on renewable energy.

Related:
UPS Buying Thousands of Electric Vans; Teaming Up with Waymo to Accelerate the Future of Delivery
USPS Picks Oshkosh Defense for Greener Mail Trucks


Original Submission

posted by martyb on Tuesday March 09 2021, @12:09PM   Printer-friendly
from the what-we-have-here-is-a-failure-to-communicate dept.

100Mbps uploads and downloads should be US broadband standard, senators say:

Four US senators called on the Biden administration Thursday to establish a "21st century definition of high-speed broadband" of 100Mbps both upstream and downstream. This would be a big upgrade over the Federal Communications Commission broadband standard of 25Mbps downstream and 3Mbps upstream, which was established in 2015 and never updated by former President Trump's FCC chair, Ajit Pai.

Today's letter was sent to FCC Acting Chairwoman Jessica Rosenworcel and other federal officials by two Democrats, one independent who caucuses with Democrats, and one Republican. Noting that "the pandemic has reinforced the importance of high-speed broadband and underscored the cost of the persistent digital divide in our country," they wrote:

Going forward, we should make every effort to spend limited federal dollars on broadband networks capable of providing sufficient download and upload speeds and quality, including low latency, high reliability, and low network jitter, for modern and emerging uses, like two-way videoconferencing, telehealth, remote learning, health IoT, and smart grid applications. Our goal for new deployment should be symmetrical speeds of 100 megabits per second (Mbps), allowing for limited variation when dictated by geography, topography, or unreasonable cost.

"We should also insist that new networks supported with federal funds meet this higher standard, with limited exceptions for truly hard-to-reach locations," the senators wrote later in the letter. "For years, we have seen billions in taxpayer dollars subsidize network deployments that are outdated as soon as they are complete, lacking in capacity and failing to replace inadequate broadband infrastructure."

The letter was written by Sens. Michael Bennet (D-Colo.), Angus King (I-Maine), Rob Portman (R-Ohio), and Joe Manchin (D-W.Va.). In addition to Rosenworcel, it was sent to Secretary of Commerce Gina Raimondo, Secretary of Agriculture Tom Vilsack, and Director of the National Economic Council Brian Deese.

"Ask any senior who connects with their physician via telemedicine, any farmer hoping to unlock the benefits of precision agriculture, any student who receives livestreamed instruction, or any family where both parents telework and multiple children are remote learning, and they will tell you that many networks fail to come close to 'high-speed' in the year 2021," they wrote. "For any of these functions, upload speeds far greater than 3Mbps are particularly critical. These challenges will not end with the pandemic."


Original Submission

posted by martyb on Tuesday March 09 2021, @09:31AM   Printer-friendly
from the seeing-is-perceiving dept.

[Note: all footnotes refer to the original journal article in Nature.--Ed]

Facial recognition technology can expose political orientation from naturalistic facial images:

Abstract
Ubiquitous facial recognition technology can expose individuals' political orientation, as faces of liberals and conservatives consistently differ. A facial recognition algorithm was applied to naturalistic images of 1,085,795 individuals to predict their political orientation by comparing their similarity to faces of liberal and conservative others. Political orientation was correctly classified in 72% of liberal–conservative face pairs, remarkably better than chance (50%), human accuracy (55%), or one afforded by a 100-item personality questionnaire (66%). Accuracy was similar across countries.

[...] Introduction
There is a growing concern that the widespread use of facial recognition will lead to the dramatic decline of privacy and civil liberties[1]

Pervasive surveillance is not the only risk brought about by facial recognition. Apart from identifying individuals, the algorithms can identify individuals' personal attributes, as some of them are linked with facial appearance. Like humans, facial recognition algorithms can accurately infer gender, age, ethnicity, or emotional state.[2],[3] Unfortunately, the list of personal attributes that can be inferred from the face extends well beyond those few obvious examples.

A growing number of studies claim to demonstrate that people can make face-based judgments of honesty[4], personality[5], intelligence[6], sexual orientation[7], political orientation[8],[9],[10],[11],[12], and violent tendencies[13].

[...] the accuracy of the human judgment is relatively low. For example, when asked to distinguish between two faces—one conservative and one liberal—people are correct about 55% of the time (derived from Cohen's d reported in Tskhay and Rule[15]), only slightly above chance (50%). Yet, as humans may be missing or misinterpreting some of the cues, their low accuracy does not necessarily represent the limit of what algorithms could achieve. Algorithms excel at recognizing patterns in huge datasets that no human could ever process[16], and are increasingly outperforming us in visual tasks ranging from diagnosing skin cancer[17] to facial recognition[18] to face-based judgments of intimate attributes, such as sexual orientation (76% vs. 56%)7,[19], personality (64% vs. 57%; derived from Pearson's rs)[20],[21],[22], and—as shown here—political orientation.

Methods
We used a sample of 1,085,795 participants from three countries (the U.S., the UK, and Canada; see Table 1) and their self-reported political orientation, age, and gender. Their facial images (one per person) were obtained from their profiles on Facebook or a popular dating website.

Continuing advancements in technology improve our lives with each passing day.


Original Submission

posted by martyb on Tuesday March 09 2021, @07:07AM   Printer-friendly

"User Engagement" Is Code for "Addiction"

There is something about social media that human beings are not psychologically prepared for. It is a perverse and unnatural abstraction of human social community to which our brain does not react well. As a facsimile of genuine humanity, it plunges into something resembling The Uncanny Valley for social interactions. It might be, for all we know, that the primary reason someone posts on social media is anger. If a proper study was done, I bet it would show exactly that.

Quarantines and lock downs forced people indoors and onto social media. That means that everyone's own emotions became the most important thing in their world. Suddenly, everyone is in the daily habit of an unhealthy and irrational solipsism. Not because we wanted to be, or would be under other circumstances, but because we are all being conditioned to be introverted and consumption-obsessed egomaniacs.

[...] As a UI developer by trade, I can pinpoint precisely the Dark Triad of Web UI Design Choices that addict people to social media and drive us all slowly crazy (by design!):

  1. Relative timestamps ("3 hours ago" instead of "6:56 PM"). This creates IMMEDIACY.
  2. Infinite scrolling with no "more" button or link. This creates PERPETUATION.
  3. Fake internet points (clickable, often animated icons with incrementing numbers. Likes, reactions, upvotes, retweets, etc.). This creates ADDICTION.

Original Submission

posted by martyb on Tuesday March 09 2021, @04:31AM   Printer-friendly
from the Meaningless-Indicator-of-Processor-Speed dept.

Wait, What? MIPS Becomes RISC-V
Classic CPU Company Exits Bankruptcy, Throws in the Towel

What a long, strange trip it's been. MIPS Technologies no longer designs MIPS processors. Instead, it's joined the RISC-V camp, abandoning its eponymous architecture for one that has strong historical and technical ties. The move apparently heralds the end of the road for MIPS as a CPU family, and a further (slight) diminution in the variety of processors available. It's the final arc of an architecture.

[...] Development of the MIPS processor architecture has now stopped, and MIPS (the company) will start making chips based on RISC-V. This is a complete change of business model, not just CPU. The old MIPS was in the business of licensing IP, just like ARM or Ceva or Rambus. It didn't make anything tangible. Companies like the old Wave Computing were its customers, and processors like ARM and RISC-V were its competitors. Now that equation is inverted.

The company didn't have far to go to find a new CPU. RISC-V is the brainchild of Dave Patterson and his team at UC Berkeley, and he's co-author of the seminal textbook on CPU design along with John Hennessy at Stanford. Hennessy's MIPS (Microprocessor without Interlocked Pipeline Stages) preceded RISC-V by about two decades, but the two are remarkably similar in underlying concept and philosophy.

[...] "MIPS is developing a new industry leading, standards-based, 8th-generation architecture, which will be based on the open-source RISC-V processor standard." In this context, the "8th generation" refers to seven generations of the traditional MIPS architecture, followed by an upcoming RISC-V design. It sounds like the company is implying that this is a smooth transition with some level of compatibility between the old and the new. It isn't. It's a clean break as the company switches from the old CPU design, that it owned, to a new one that's in the public domain. The new MIPS is MIPS in name only.

The new MIPS is also a member of RISC-V International, the nonprofit group that coordinates official RISC-V oversight. In fact, it's been a member for a while, which might have telegraphed their intentions. It so happens that the CTO of RISC-V International, Mark Himelstein, is a former employee of MIPS Technologies. He told me, "I would personally say that the simplicity and elegance of RISC-V most reminds me of MIPS more than any other architecture. I am excited about the company's next steps, including their involvement with the community and to see what RISC-V products they will bring to market."

Could it be a good thing to have more and more companies cooperating on interface (e.g, instruction set) but competing on implementation (silicon)?


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posted by martyb on Tuesday March 09 2021, @02:02AM   Printer-friendly
from the R.I.P. dept.

Remembering Allan McDonald: He Refused To Approve Challenger Launch, Exposed Cover-Up:

On Jan. 27, 1986, Allan McDonald stood on the cusp of history.

McDonald directed the booster rocket project at NASA contractor Morton Thiokol. He was responsible for the two massive rockets, filled with explosive fuel, which lifted space shuttles skyward. He was at the Kennedy Space Center in Florida for the launch of the Challenger "...to approve or disapprove a launch if something came up," he told me in 2016, 30 years after Challenger exploded.

His job was to sign and submit an official form. Sign the form, he believed, and he'd risk the lives of the seven astronautsset to board the spacecraft the next morning. Refuse to sign, and he'd risk his job, his career, and the good life he'd built for his wife and four children.

"And I made the smartest decision I ever made in my lifetime," McDonald told me. "I refused to sign it. I just thought we were taking risks we shouldn't be taking."

[...] McDonald persistently cited three reasons for a delay: freezing overnight temperatures that could compromise the booster rocket joints; ice forming on the launch pad and spacecraft that could damage the orbiter heat tiles at launch; and forecast rough seas at the booster rocket recovery site.

He also told NASA officials, "If anything happens to this launch, I wouldn't want to be the person that has to stand in front of a board of inquiry to explain why we launched... ."

Now, 35 years after Challenger, McDonald's family reports that he died Saturday in Ogden, Utah, after suffering a fall and brain damage. He was 83 years old.

"There are two ways in which [McDonald's] actions were heroic," recalls Mark Maier, who directs a leadership program at Chapman University and produced a documentary about the Challenger launch decision.

"One was on the night before the launch, refusing to sign off on the launch authorization and continuing to argue against it," Maier says. "And then afterwards in the aftermath, exposing the cover-up that NASA was engaged in."

Twelve days after Challenger exploded, McDonald stood up in a closed hearing of a presidential commission investigating the tragedy. He was "in the cheap seats in the back" when he raised his hand and spoke. He had just heard a NASA official completely gloss over a fundamental fact.

McDonald and his team of Thiokol engineers had strenuously opposed the launch, arguing that freezing overnight temperatures, as low as 18 degrees F, meant that the O-rings at the booster rocket joints would likely stiffen and fail to contain the explosive fuel burning inside the rockets. They presented data showing O-rings had lost elasticity at a much warmer temperature, 53 degrees F, during an earlier launch.

[...] The NASA official simply said that Thiokol had some concerns but approved the launch. He neglected to say that the approval came only after Thiokol executives, under intense pressure from NASA officials, overruled the engineers.

"I was sitting there thinking that's about as deceiving as anything I ever heard," McDonald recalled. "So ... I said I think this presidential commission should know that Morton Thiokol was so concerned, we recommended not launching below 53 degrees Fahrenheit. And we put that in writing and sent that to NASA."

[...] Allan McDonald leaves behind his wife Linda and four children, and a legacy of doing the right things at the right times with the right people.

Also at MSN and NASA.


Original Submission

posted by Fnord666 on Monday March 08 2021, @10:36PM   Printer-friendly
from the same-old-M$ dept.

Developer Gavin L Rebeiro has posted[*see note below] a five-part article series at Techrights on how to deal with the ongoing Raspberry Pi fiasco by salvaging existing hardware with a replacement operating system.

He covers the background, the technical principles, some methods for mitigation, proposes using NetBSD in place of the GNU/Linux, Raspberry Pi OS. Finally, he walks through installation of NetBSD.

We don't want to be spied on; what happens when we're faced with an operating system that spies on people? We throw it in the trash where it belongs! I am boycotting the Raspberry Spy myself (you're free to join me in doing so) but I don't want people to waste hardware that they already have. So we're going to walk through an interesting path of installing a different operating system on the Raspberry Spy; I want to show you a few things that will empower you to take greater control over your computing.

We'll gently walk through and explore the following: how to install an operating system on an embedded device (a Raspberry Spy, in this case) over a USB-to-UART bridge (UTUB). This is the main project we've got on our hands. Don't worry if you've never touched embedded systems before; everything here is accessible to people with a modest set of prerequisite knowledge and some basic apparatus.

We'll delve into things with more depth as we move forward with our project; if you don't understand something when you first encounter it, just keep reading.

NetBSD might be a bit of a leap for some, so it should be noted that there are other GNU/Linux distros for the Raspberry Pi which do not include the problems addressed above.

The focus of the series is on individual privacy, but a parallel threat exists for institutions because, after the recent changes, any use of Raspberrry Pi OS will show up at their most hostile competitor, Microsoft. The company has had a do-not-lose-to-Linux-at-any-cost attitude for decades and has various slush funds available to fund attacks. EDGI was one such program which did a lot of damage around the world and has been described in fair detail in the Comes v Microsoft case.

[* Ed's Note (2021-03-12): The author has let us know that his original article is available as a PDF, as techrights' version wasn't faithful. -- FP]

Previously:
(2021) Raspberry Pi Users Mortified as Microsoft Repository that Phones Home is Added to Pi OS


Original Submission

posted by takyon on Monday March 08 2021, @08:05PM   Printer-friendly
from the it's-a-gas dept.

Saudi Arabia takes steps to lead the $700B global hydrogen market:

As governments and industries seek less-polluting alternatives to hydrocarbons, the world's biggest crude exporter doesn't want to cede the burgeoning hydrogen business to China, Europe or Australia and lose a potentially massive source of income. So it's building a $5 billion plant powered entirely by sun and wind that will be among the world's biggest green hydrogen makers when it opens in the planned megacity of Neom in 2025.

[...] Hydrogen is morphing from a niche power source — used in zeppelins, rockets and nuclear weapons — into big business, with the European Union alone committing $500 billion to scale up its infrastructure. Huge obstacles remain to the gas becoming a major part of the energy transition, and skeptics point to Saudi Arabia's weak track record so far capitalizing on what should be a competitive edge in the renewables business, especially solar, where there are many plans but few operational projects.

[...] Saudi Arabia is setting its sights on becoming the world's largest supplier of hydrogen — a market that BloombergNEF estimates could be worth as much as $700 billion by 2050.

[...] Blueprints are being drawn and strategies are being announced, but it's still early days for the industry. Hydrogen is expensive to make without expelling greenhouse gases, difficult to store and highly combustible.

Green hydrogen is produced by using renewable energy rather than fossil fuels. The current cost of producing a kilogram is a little under $5, according to the International Renewable Energy Agency.

Saudi Arabia possesses a competitive advantage in its perpetual sunshine and wind, and vast tracts of unused land. Helios's costs likely will be among the lowest globally and could reach $1.50 per kilogram by 2030, according to BNEF. That's cheaper than some hydrogen made from non-renewable sources today.

Also at Arab News:

"If Europe would like to buy more hydrogen, Saudi green hydrogen, we would be more than happy, and even, if the economics allow for it, even piping it all the way to somewhere in Europe," Saudi Energy Minister Prince Abdul Aziz bin Salman said.


Original Submission #1Original Submission #2

posted by martyb on Monday March 08 2021, @04:50PM   Printer-friendly

SK Hynix Commences Mass Production of 18GB LPDDR5 RAM Chips for Smartphones With 6,400Mbps Speeds

Android phone makers will continue to push the limits of hardware specifications, and from the looks of it, SK Hynix will lend out more than just a helping hand. The memory manufacturer today announced that it has started mass production of 18GB LPDDR5 RAM chips for flagship smartphones, meaning that premium handsets touting more memory than notebooks will become a commonplace.

SK Hynix claims that its 18GB LPDDR5 RAM for smartphones can operate up to 6,400Mbps, making it around 20 percent faster than the previous-generation LPDDR5 RAM, which could run up to 5,500Mbps. The manufacturer also mentions that it has supplied ASUS with these DRAM chips for the upcoming ROG Phone 5 flagship. Keep in mind that during a specifications leak, the ROG Phone 5 was spotted with the aforementioned RAM count.

Why does a smartphone need 18 GB of memory instead of the previous 16 GB? From the press release:

"This product will improve the processing speed and image quality by expanding the data temporary storage space, as the capacity increases compared to the previous 16GB product," an official from the company said.

So we will see smartphones with 18 GB of RAM, or perhaps smartphones or laptops with 16/32 GB of error correction code (ECC) LPDDR5 memory.

Also at ZDNet and Guru3D.

Previously: Samsung Begins Mass Producing 12 GB DRAM Packages for Smartphones
Samsung Mass Producing LPDDR5 DRAM (12 Gb x 8 for 12 GB Packages)
Get Ready for Smartphones with 16 GB of RAM
Samsung Announces Mass Production of 16 GB LPDDR5 DRAM Packages


Original Submission

posted by Fnord666 on Monday March 08 2021, @02:24PM   Printer-friendly
from the Boil,-dry-hops,-toil-and-trouble dept.

Some misconceptions in this article, but it does explain "alewives", so there is that. From The Conversation.

What do witches have to do with your favorite beer?

When I pose this question to students in my American literature and culture classes, I receive stunned silence or nervous laughs. The Sanderson sisters didn't chug down bottles of Sam Adams in "Hocus Pocus." But the history of beer points to a not-so-magical legacy of transatlantic slander and gender roles.

Up until the 1500s, brewing was primarily women's work – that is, until a smear campaign accused women brewers of being witches. Much of the iconography we associate with witches today, from the pointy hat to the broom, emerged from their connection to female brewers.

A routine household task

Humans have been drinking beer for almost 7,000 years, and the original brewers were women. From the Vikings to the Egyptians, women brewed beer both for religious ceremonies and to make a practical, calorie-rich beverage for the home.

True, dat.

Exiling women from the industry

So if you traveled back in time to the Middle Ages or the Renaissance and went to a market in England, you'd probably see an oddly familiar sight: women wearing tall, pointy hats. In many instances, they'd be standing in front of big cauldrons.

But these women were no witches; they were brewers.

They wore the tall, pointy hats so that their customers could see them in the crowded marketplace. They transported their brew in cauldrons. And those who sold their beer out of stores had cats not as demon familiars, but to keep mice away from the grain.

Just as women were establishing their foothold in the beer markets of England, Ireland and the rest of Europe, the Inquisition began. The fundamentalist religious movement, which originated in the early 16th century, preached stricter gender norms and condemned witchcraft.

Male brewers saw an opportunity. To reduce their competition in the beer trade, these men accused female brewers of being witches and using their cauldrons to brew up magic potions instead of booze.

Unfortunately, the rumors took hold.

The conspiracy by males to push women out of brewing seems something of a stretch, but a lot of the coincidences are interesting. However, the maleness of beer is a fact?

This gender bias seems to persist in smaller craft breweries as well. A study at Stanford University found that while 17% of craft beer breweries have one female CEO, only 4% of these businesses employ a female brewmaster – the expert supervisor who oversees the brewing process.

It doesn't have to be this way. For much of history, it wasn't.

The fine article lacks any discussion of malting, mashing, sparging, or flocculation, but those are probably all occult secrets now.


Original Submission

posted by Fnord666 on Monday March 08 2021, @11:55AM   Printer-friendly
from the one-year's-work-shrunk-to-7.8-seconds dept.

A quantum computer just solved a decades-old problem three million times faster than a classical computer:

Scientists from quantum computing company D-Wave have demonstrated that, using a method called quantum annealing, they could simulate some materials up to three million times faster than it would take with corresponding classical methods.

Together with researchers from Google, the scientists set out to measure the speed of simulation in one of D-Wave's quantum annealing processors, and found that performance increased with both simulation size and problem difficulty, to reach a million-fold speedup over what could be achieved with a classical CPU.

The calculation that D-Wave and Google's teams tackled is a real-world problem; in fact, it has already been resolved by the 2016 winners of the Nobel Prize in Physics, Vadim Berezinskii, J. Michael Kosterlitz and David Thouless, who studied the behavior of so-called "exotic magnetism", which occurs in quantum magnetic systems.

[...] In contrast, D-Wave's latest experiment resolved a meaningful problem that scientists are interested in independent of quantum computing. The findings have already attracted the attention of scientists around the world.

Journal Reference:
Andrew D. King, Jack Raymond, Trevor Lanting, et al. Scaling advantage over path-integral Monte Carlo in quantum simulation of geometrically frustrated magnets [open], Nature Communications (DOI: 10.1038/s41467-021-20901-5)


Original Submission

posted by Fnord666 on Monday March 08 2021, @09:26AM   Printer-friendly
from the dune-on-mars dept.

China's Tianwen-1 zooms in on Mars surface on cusp of new tech era:

China's Mars orbiter has beamed back high-resolution images, revealing geographic features of the red planet in detail.

The photos taken by Tianwen-1 come a week after the United States released a panorama of the Martian surface snapped by the rover Perseverance.

They also come as China prepares to unveil a new five-year plan centred on science and hi-tech innovation, with aerospace technology expected to be a priority programme.

Chinese mission spokesman Liu Tongjie told state television that two of the orbiter's images were snapped at an altitude of about 330km (205 miles) and had a resolution down to 70cm (27 inches), revealing fine details of the Martian landscape.

"These two pictures clearly show craters, mountain ridges and dunes," said Liu, from the China National Space Administration.

"One image shows a crater with a diameter of about 620 metres and clearly displays the lines at the bottom of the crater."


Original Submission

posted by Fnord666 on Monday March 08 2021, @06:57AM   Printer-friendly

Exclusive: Flaws in Zoom's Keybase App Kept Chat Images From Being Deleted:

A serious flaw in Zoom's Keybase secure chat application left copies of images contained in secure communications on Keybase users' computers after they were supposedly deleted.

The flaw in the encrypted messaging application (CVE-2021-23827) does not expose Keybase users to remote compromise. However, it could put their security, privacy and safety at risk, especially for users living under authoritarian regimes in which apps like Keybase and Signal are increasingly relied on as a way to conduct conversations out of earshot of law enforcement or security services.

The flaw was discovered by researchers from the group Sakura Samurai as part of a bug bounty program offered by Zoom, which acquired Keybase in May, 2020. Zoom said it has fixed the flaw in the latest versions of its software for Windows, macOS and Linux.

[...] In a statement, a Zoom spokesman said that the company appreciates the work of the researchers and takes privacy and security "very seriously."

"We addressed the issue identified by the Sakura Samurai researchers on our Keybase platform in version 5.6.0 for Windows and macOS and version 5.6.1 for Linux. Users can help keep themselves secure by applying current updates or downloading the latest Keybase software with all current security updates," the spokesman said.


Original Submission