quietus writes:

Last week, Denmark has stored the first volumes of carbon dioxide in an old oil and gas field in the Danish North Sea. The carbon dioxide sequestered comes from a chemical production plant (Ineos Oxide) in the Port of Antwerp, Belgium.

Since 2010, Ineos Oxide has captured CO2 as a by-product from its ethylene oxide (plastics) production, cooled it down to a liquid, and resold the product to the food (fizzy drinks, beer) and agricultural (greenhouse cultivation) industry. Now, instead, part of this production was transported to Nini, a previously abandoned oil platform about 200 km in front of the Danish coast, and injected 1,800 meters deep.

The test project, named Greensand, needs to prove that the process is possible, and safe. The modified transport vessel used, Aurora Storm, can only take 800 ton CO2 per traject; it will have to shuttle back and forth between Antwerp and Denmark about 20 times, enough for 15,000 ton, this year alone. The project will be upscaled to 1.5 million ton a year by 2025.

By 2030, 8 million ton a year is planned, or about half the carbon dioxide emitted by Antwerp's chemical cluster, the largest in Europe. This, however, requires investments in new offshore infrastructure, and larger transport ships known as CO2 carriers.

The Greensand project is racing behind another project though. That project is called Northern Lights, and aims to be able to store 1.5 million ton a year, by next year, 2024. Northern Lights is a partnership between Shell, Equinor and Total, and supported by Norway's government Langskip (Longship) CCS project.

The EU has set a target of capturing and storing a minimum 300 million ton CO2 a year by 2050.

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guest reader writes:

On March 13, we will officially begin rolling out our initiative to require all developers who contribute code on GitHub.com to enable one or more forms of two-factor authentication (2FA) by the end of 2023.

GitHub is central to the software supply chain, and securing the software supply chain starts with the developer. Our 2FA initiative is part of a platform-wide effort to secure software development by improving account security. Developers' accounts are frequent targets for social engineering and account takeover (ATO). Protecting developers and consumers of the open source ecosystem from these types of attacks is the first and most critical step toward securing the supply chain.

[...] If your account is selected for enrollment, you will be notified via email and see a banner on GitHub.com, asking you to enroll. You'll have 45 days to configure 2FA on your accountbefore that date nothing will change about using GitHub except for the reminders. We'll let you know when your enablement deadline is getting close, and once it has passed you will be required to enable 2FA the first time you access GitHub.com. You'll have the ability to snooze this notification for up to a week, but after that your ability to access your account will be limited.

So, what if you're not in an early enrollment group but you want to get started? Click here and follow a few easy steps to enroll in 2FA.

[...] You can choose between TOTP, SMS, security keys, or GitHub Mobile as your preferred 2FA method.

Recent GitHub security incidents:
GitHub says hackers cloned code-signing certificates in breached repository(1/30/2023)
Slack's private GitHub code repositories stolen over holidays(1/5/2023)
Okta's source code stolen after GitHub repositories hacked(12/21/2022)

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hubie writes:

A new measure can help scientists decide which estimation method to use when modeling a particular data problem:

If a scientist wanted to forecast ocean currents to understand how pollution travels after an oil spill, she could use a common approach that looks at currents traveling between 10 and 200 kilometers. Or, she could choose a newer model that also includes shorter currents. This might be more accurate, but it could also require learning new software or running new computational experiments. How to know if it will be worth the time, cost, and effort to use the new method?

A new approach developed by MIT researchers could help data scientists answer this question, whether they are looking at statistics on ocean currents, violent crime, children's reading ability, or any number of other types of datasets.

The team created a new measure, known as the "c-value," that helps users choose between techniques based on the chance that a new method is more accurate for a specific dataset. This measure answers the question "is it likely that the new method is more accurate for this data than the common approach?"

Traditionally, statisticians compare methods by averaging a method's accuracy across all possible datasets. But just because a new method is better for all datasets on average doesn't mean it will actually provide a better estimate using one particular dataset. Averages are not application-specific.

So, researchers from MIT and elsewhere created the c-value, which is a dataset-specific tool. A high c-value means it is unlikely a new method will be less accurate than the original method on a specific data problem.

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upstart writes:

Monday's collision avoidance maneuver steered the International Space Station away from a presumed Earth-imaging satellite launched in 2020:

Earlier this week, the International Space Station was forced to adjust its orbit to avoid an encroaching commercial satellite. The object is likely one of many Earth-observing satellites that are falling into and aligning with the space station's orbital path, according to experts.

On Monday, the Progress 83 resupply ship that's docked to the space station fired its engines for just over six minutes, slightly raising the orbit of the ISS in order to avoid an approaching satellite, NASA wrote in a blog post. The space agency did not identify the object, except to say that it was an "Earth observation satellite."

However, there is speculation that the satellite in question may be Argentina's Nusat-17, one of 10 commercial Earth observation satellites form the Aleph-1 constellation operated by Satellogic. Jonathan McDowell, an astrophysicist at the Harvard-Smithsonian Center for Astrophysics, wrote on Twitter that the orbits of the Satellogic constellation has been gradually decaying and the satellites are now crossing the orbit of the ISS.

The latest ISS maneuver points to a larger issue of the growing number of satellites, both defunct and operational, and debris that pose a threat to orbiting spacecraft. More than 27,000 pieces of orbital debris are currently being tracked by the Department of Defense's global Space Surveillance Network, with lots of smaller pieces also floating around undetected.

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takyon writes:

The Time Russians Really Did Target Americans With Microwaves

A year before his arrival, State Department officials had told embassy staffers and their families that the Soviet Union had been blasting some kind of microwave beam at the embassy for up to 14 hours per day. But American higher-ups said there was little reason for concern. Issuing a "Fact Sheet," [1976] the State Department said that this microwave beam later dubbed the "Moscow Signal" was "no cause for concern," as "no causal relationship had been established between these microwave transmissions and any health problems."

There was, in other words, nothing to worry about. As a precaution, American officials erected aluminum "screening" around the embassy all the better to "reduce the anxiety of employees." But that was it. And so Schumaker went about his work, day in and day out. For years, he and dozens of others operated out of the American embassy, assured that the microwave radiation was perfectly normal.

It was only years later, when Schumaker received a surprise leukemia diagnosis and after multiple American ambassadors had already died from cancer, with the another diagnosed with a "severe blood disorder" that Schumaker realized that microwave radiation, and the U.S.'s lackadaisical response, was far more disastrous, and even fatal, than he ever thought. And in recent months, that realization only deepened, for a pair of reasons.

First, a tranche of newly declassified documents confirmed that the Soviets saturated American embassy staffers in decades of elevated microwave radiation and American higher-ups spent years trying to sweep the entire affair under the rug. And second, recent revelations about the so-called "Havana Syndrome" have given Schumaker and other diplomats who remember the days of Moscow Signal a sense of, as he sees it, "dj vu all over again."

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The Moon or Bust, Says NASA, After Successful Test Flight

upstart writes:

Heat shield sustained more damage than expected, but this shouldn't discourage astronauts:

NASA is ready to fly a crew of astronauts to the Moon next year after the success of the first test flight of its Space Launch System (SLS) rocket and Orion capsule.

[...] Orion fulfilled 161 test objectives and was more energy efficient than predicted, generating 20 per cent more power than predicted while consuming about 25 per cent less power than expected. All maneuvers including flying to and from the Moon, returning to Earth, and releasing the parachute for splashdown into the Pacific Ocean were executed without any major problems.

There are, however, a few niggling complications. Orion's latching current limiters which act like circuit breakers to transfer and distribute power from its solar panels switched open randomly during its flight for unknown reasons. Also, the material covering the heat shield used to protect the capsule and prevent it and any occupants from incineration as Orion re-enters Earth's atmosphere deteriorated more than NASA thought it would.

Little things like that.

The mobile launcher part of the SLS also sustained more damage than expected. NASA said its cryogenic fuel lines corroded, while 60 panels and cabinets broke, as did its elevators and blast shields. Officials continue to review hundreds of gigabytes worth of data gathered from the mission.

[...] "We're learning as much as we possibly can from Artemis I to ensure we fully understand every aspect of our systems and feed those lessons learned into how we plan for and fly crewed missions," said Jim Free, NASA associate administrator for the Exploration Systems Development Mission Directorate, in a prepared statement. "Safely flying crew is our top priority for Artemis II."

Engineers will, for example, modify the mobile launcher for the upcoming Artemis mission. They will build an emergency egress system at the launchpad in case the crew needs to make a last-minute exit from the rocket.

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Freeman writes:

https://arstechnica.com/information-technology/2023/03/wikipedia-ai-truth-duckduckgo-hopes-so-with-new-answerbot/

Not to be left out of the rush to integrate generative AI into search, on Wednesday DuckDuckGo announced DuckAssist, an AI-powered factual summary service powered by technology from Anthropic and OpenAI. It is available for free today as a wide beta test for users of DuckDuckGo's browser extensions and browsing apps. Being powered by an AI model, the company admits that DuckAssist might make stuff up but hopes it will happen rarely.

Here's how it works: If a DuckDuckGo user searches a question that can be answered by Wikipedia, DuckAssist may appear and use AI natural language technology to generate a brief summary of what it finds in Wikipedia, with source links listed below. The summary appears above DuckDuckGo's regular search results in a special box.

[...] Update (March 9, 2023): We spoke with a representative of DuckDuckGo and they said they're using OpenAI's GPT-3.5 and Anthropic's Claude as LLMs. "We're experimenting with OpenAI's recently announced Turbo model, too," they said.

Related:
Robots Let ChatGPT Touch the Real World Thanks to Microsoft (Article has a bunch of other SoylentNews related links as well.)

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fliptop writes:

Instead of outputting in plastic, this printer builds models that you can eat:

All of the best 3D printers print from some form plastic, either from filament or from resin. But an upcoming printer, Cocoa Press, uses chocolate to create models you can eat. The brainchild of Maker and Battlebots Competitor Ellie Weinstein , who has been working on iterations of the printer since 2014, Cocoa Press will be available for pre-order, starting on April 17th via cocoapress.com (the company is also named Cocoa Press).

[...] In lieu of a roll of filament or a tank full of resin, the Cocoa Press uses 70g cartridges of special chocolate that solidifies at up to 26.67 degrees Celsius (80 degrees Fahrenheit), which the company will sell for $49 for a 10 pack. The cigar-shaped chocolate pieces go into a metal syringe where the entire thing is melted at the same time rather than melting as it passes through the extruder (like a typical FDM printer).

Video demonstrating how the Cocoa Press works.

Related: Why Chocolate Feels So Good? It's Down to Lubrication

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upstart writes:

Newly spotted 50-meter asteroid tops Risk List:

Valentine's Day 2046 could be memorable for a number of reasons. Not only might you receive a card from an admirer you never knew you had, but you might also witness a large asteroid slamming into Earth and causing widespread devastation.

Hopefully the only delivery anyone will be getting that day is a card, but scientists say that a 49-meter-wide asteroid discovered last week is currently calculated to have a 1-in-625 chance of hitting our planet in a couple of decades from now.

The rock, called 2023 DW, now sits atop the European Space Agency's Risk List as the only one with a "1" rating on the Torino scale, which is used for categorizing the impact hazard of near-Earth objects.

[...] As asteroid 2023 DW was only discovered a few days ago, scientists are continuing with their analysis to determine more precisely the characteristics of the rock, which is similar in size to an Olympic swimming pool.

[...] If later analysis suggests an increased risk of 2023 DW crashing into Earth, it would be a golden opportunity for NASA to deploy its asteroid deflection system. The technology was tested last year with great success when it smashed a spacecraft into a distant asteroid, with the force of the impact altering the rock's course.

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guest reader writes:

The results of the great DB debate on The Register were announced. Although it was a close-run race, and RDBMS was well ahead at several points during the week before a late surge for graph DBs yesterday. Over 2,000 readers voted. This debate is a part of the current spotlight on databases.

Our first contributor, arguing FOR the motion, was Andy Pavlo, associate professor of databaseology at Carnegie Mellon University. Pavlo's starting point on Monday was that graph DBMSs are "fundamentally flawed and, for most applications, inferior to relational DBMSs."

Jim Webber, Neo4j's chief scientist and a professor of computer science at Newcastle University, arguing AGAINST, said in his rebuttal that he could not back the idea that "relational can do anything" and rejected the assertion that graph databases cannot properly support views and migrations.

Then, on Wednesday, Pavlo threw down the gauntlet, stating that abandoning the relational database model would be akin to "reinventing the wheel." He also doubled down on a public wager he'd previously made that graph databases won't overtake relational databases in 2030 by marketshare. He has promised that if he loses, Pavlo will replace his official CMU photo with one of him wearing a shirt that says "Graph Databases Are #1."

Webber then countered this in his Thursday argument, noting that the pending standard for graphs, GQL, is overseen by the same ISO committee that delivered SQL. If SQL extensions were enough to solve the graph problem, the committee wouldn't have bothered itself, he seemed to be saying. Instead, it decided graphs were different enough to warrant a full query language.

Webber also mentioned: In late 2010, I visited former colleagues at the University of Sydney, Australia. I gave a talk on graph databases and ended it by lightheartedly saying something like, "This technology category is going to catch on. You're going to ignore it for now, but in about a decade you will become interested and start telling us that we've done it all wrong."

Several papers from CIDR 2023 were cited in the discussion.

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upstart writes:

Results come from a lab that had an earlier superconductivity paper retracted:

On Wednesday, a paper was released by Nature that describes a mixture of elements that can superconduct at room temperature. The work follows a general trend of finding new ways of stuffing hydrogen into a mixture of other atoms by using extreme pressure. This trend produced a variety of high-temperature superconductors in previous research, though characterizing them was difficult because of the pressures involved. This new chemical, however, superconducts at much lower pressures than previous versions, which should make it easier for others to replicate the work.

The lab that produced the chemical, however, had one of its earlier papers on high-temperature superconductivity retracted due to a lack of details regarding one of its key measurements. So, it's a fair bet that many other researchers will try to replicate it.

The form of superconductivity involved here requires that electrons partner up with each other, forming what are called Cooper pairs. One of the things that encourages Cooper pair formation is a high-frequency vibration (called a phonon) among the atomic nuclei that these electrons are associated with. That's easier to arrange with light nuclei, and hydrogen is the lightest around. So finding ways to stuff more hydrogen into a chemical is thought to be a viable route toward producing higher-temperature superconductors.

The surest way of doing that, however, involves extreme pressures. These pressures can induce hydrogen to enter the crystal structure of metals or to form hydrogen-rich chemicals that are unstable at lower pressures. Both of these approaches have resulted in chemicals with very high critical temperatures, the highest point at which they'll support superconductivity. While these have approached room temperature, however, the pressures required were multiple Gigapascalswith each Gigapascal being nearly 10,000 times the atmospheric pressure at sea level.

In essence, this involves trading off impractical temperatures for impractical pressures.

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Freeman writes:

https://arstechnica.com/tech-policy/2023/03/musk-apologizes-for-mocking-and-firing-twitter-exec-with-muscular-dystrophy/

After a tweet exchange where Twitter CEO Elon Musk questioned a fired former Twitter executive's disabilities and work performance, Musk has issued a rare apology and offered to rehire former Senior Director of Product Design Haraldur "Halli" Thorleifsson.

Thorleifsson joined Twitter in 2021, saying on the podcast Fast Politics with Molly Jong-Fast that he decided to let his successful design agency Ueno get acquired by Twitter because he really believed that, much like Musk, Twitter had "never lived up to its potential." Until his exit from Twitter, Thorleifsson led an innovation team at Twitter, but Musk apparently was not familiar with the meaningful contributions Thorleifsson made to the company until after he let Thorleifsson go. Now Musk apparently regrets dismissing Thorleifsson.

[...] Before Thorleifsson got the official notification that he'd been fired from Twitter, he told the BBC that he had a theory explaining why it took Twitter nine days to respond to his inquiries about layoffs.

"My theory is they made a mistake and are now looking for anything they can find to make this a 'for cause' firing to avoid having to fulfill their contractual obligations," Thorleifsson told the BBC.

According to The New York Times, the cost of firing Thorleifsson may be greater to Twitter than the cost of keeping him on, which could be another factor motivating Musk's decision to try to rehire the former design executive. Twitter users have speculated that his severance package could be worth $100 million, and Thorleifsson seems willing to take the money and leave. He tweeted that he's OK with his exit from Twitter and asked Musk to confirm he'll receive his full severance.

Related:
Open Source Teams at Google Hit Hard by Layoffs: Was It the Algorithm?

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owl writes:

https://www.righto.com/2023/02/how-8086-processor-determines-length-of.html

The Intel 8086 processor (1978) has a complicated instruction set with instructions ranging from one to six bytes long. This raises the question of how the processor knows the length of an instruction.1 The answer is that the 8086 uses an interesting combination of lookup ROMs and microcode to determine how many bytes to use for an instruction. In brief, the ROMs perform enough decoding to figure out if it needs one byte or two. After that, the microcode simply consumes instruction bytes as it needs them. Thus, nothing in the chip explicitly "knows" the length of an instruction. This blog post describes this process in more detail.

[...] The 8086 uses a 6-byte instruction prefetch queue to hold instructions, and this queue will play an important role in this discussion.3 Earlier microprocessors read instructions from memory as they were needed, which could cause the CPU to wait on memory. The 8086, instead, read instructions from memory before they were needed, storing them in the instruction prefetch queue. (You can think of this as a primitive instruction cache.) To execute an instruction, the 8086 took bytes out of the queue one at a time. If the queue ran empty, the processor waited until more instruction bytes were fetched from memory into the queue.

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hubie writes:

Study suggests that judgmental forecasting of trends in time-series data, such as weekly sales data, is lower when the information is displayed in bar chart format as opposed to a line graph or point graph:

A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends in data that the graphs display.

Academics from City, University of London and University College London found that when people who were not experts about a set of data made predictions about how a trend in the data would develop over time, they made lower judgements when the trend was presented as a 'bar chart' type graph as compared to when exactly the same data was presented as a line graph or a graph consisting of a set of data points only.

Nevertheless, across many different types of trend participants consistently thought sales would be lower when the data were presented as bar charts than line graphs or point graphs.

The researchers wondered whether the reason was that in bar charts the area inside the bar is usually heavily shaded and hence visually draws attention to itself, lowering participants' estimates as compared to the other types of graph where there is no shading to attract the eye and attention.

However, in a third experiment, they found the same lower forecasts for bars even when the bars were left unshaded.

where the bars emanated from the top of the graph rather than the bottom. While subtle trends in the data suggest this may reverse the bias, the findings were inconclusive.

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Woodherd writes:

Better prospects are needed in universities and industry to make the most of valuable talent:

Japanese science has a problem: there are too many PhD holders and not enough senior roles in universities for them to move into. This is partly caused by a well-meaning, but flawed policy to promote Japanese research that dates back almost three decades.

In 1996, Japan began a plan to boost the number of its academic researchers with a PhD but who are not yet in permanent faculty positions. The country aimed to produce 10,000 of these postdoctoral roles and by 2006 it had exceeded this goal, creating more than 16,000 positions. This leaves a fairly obvious question; what happens to a researcher after they've completed a postdoc? There hasn't been a serious enough effort to create a career pathway for these researchers in academia. Employment in industry is also an uphill battle for them because although progress has been made Japanese businesses on the whole still don't fully appreciate PhDs as a qualification.

Some comparison:

Many students here in Japan increasingly believe that finding jobs in industry, even in pharmaceutical firms and other research-related companies, is easier without a PhD. This is because there can be a belief in industry that it's better and easier for a company to train newly hired employees from scratch, rather than training someone who already has their 'own way of doing things'. In the United States, 40.2% of PhD holders are employed in private industry, but in Japan that figure is just 14%. Hopefully, the 14% in Japan will prove how PhD holders can contribute to businesses so that more companies employ doctoral graduates, something that could also lead to greater collaboration between academia and industry.

Earning a PhD demands an excess of patience, imagination, flexibility and expertise. Surely these are enviable characteristics for any candidate seeking promotion, be that in academia or private industry.

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upstart writes:

Rather than obtaining a warrant, the bureau purchased sensitive data:

Federal Bureau of Investigation has acknowledged for the first time that it purchased US location data rather than obtaining a warrant. While the practice of buying people's location data has grown increasingly common since the US Supreme Court reined in the government's ability to warrantlessly track Americans' phones nearly five years ago, the FBI had not previously revealed ever making such purchases.

The disclosure came today during a US Senate hearing on global threats attended by five of the nation's intelligence chiefs. Senator Ron Wyden, an Oregon Democrat, put the question of the bureau's use of commercial data to its director, Christopher Wray: "Does the FBI purchase US phone-geolocation information?" Wray said his agency was not currently doing so, but he acknowledged that it had in the past. He also limited his response to data companies gathered specifically for advertising purposes.

"To my knowledge, we do not currently purchase commercial database information that includes location data derived from internet advertising," Wray said. "I understand that we previouslyas in the pastpurchased some such information for a specific national security pilot project. But that's not been active for some time." He added that the bureau now relies on a "court-authorized process" to obtain location data from companies.

It's not immediately clear whether Wray was referring to a warrantthat is, an order signed by a judge who is reasonably convinced that a crime has occurredor another legal device. Nor did Wray indicate what motivated the FBI to end the practice.

In its landmark Carpenter v. United States decision, the Supreme Court held that government agencies accessing historical location data without a warrant were violating the Fourth Amendment's guarantee against unreasonable searches. But the ruling was narrowly construed. Privacy advocates say the decision left open a glaring loophole that allows the government to simply purchase whatever it cannot otherwise legally obtain. US Customs and Border Protection (CBP) and the Defense Intelligence Agency are among the list of federal agencies known to have taken advantage of this loophole.

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Freeman writes:

https://arstechnica.com/cars/2023/03/tesla-under-new-federal-investigation-for-steering-wheels-that-detach/

Tesla has yet another federal headache to contend with. On March 4, the National Highway Traffic Safety Administration's Office of Defects Investigation opened a preliminary investigation after two reports of Tesla Model Y steering wheels detaching in drivers' hands while driving.

NHTSA's ODI says that in both cases, the model year 2023 Model Ys each required repairs on the production line that involved removing their steering wheels. The wheels were refitted but were only held in place by frictionTesla workers never replaced the retaining bolt that affixes the steering wheel to the steering column. In 2018, Ford had to recall more than 1.3 million vehicles after an incorrectly sized bolt resulted in a similar problem.

The ODI document states that "sudden separation occurred when the force exerted on the steering wheel overcame the resistance of the friction fit while the vehicles were in motion" and that both incidents occurred while the electric vehicles still had low mileage.

Related:
Tesla recalls all cars with FSD (full self driving) option (Elon Tweet:"Definitely. The word "recall" for an over-the-air software update is anachronistic and just flat wrong!")
Feds Open Criminal Investigation Into Tesla Autopilot Claims
NHTSA Investigation Into Telsa Autopilot Intensifies
Tesla's Radar-less Cars Investigated by NHTSA After Complaints Spike
Tesla Under Federal Investigation Over Video Games That Drivers Can Play
Tesla Must Tell NHTSA How Autopilot Sees Emergency Vehicles
NHTSA Opens Investigation into Tesla Autopilot after Crashes with Parked Emergency Vehicles
Tesla Recall is Due to Failing Flash Memory
Tesla Crash Likely Caused by Video Game Distraction
Autopilot Was Engaged...

Freeman writes:

https://arstechnica.com/science/2023/03/moderna-ceo-says-private-investors-funded-covid-vaccine-not-billions-from-govt/

Moderna CEO Stphane Bancel on Monday pushed back on criticism of the company's plans to raise the price of its mRNA-based COVID-19 vaccines by 400 percent, arguing that the billions of dollars in federal funding the company received played little role in the vaccine's development.

Speaking at the Wall Street Journal Health Forum, Bancel suggested that the vaccine's development is thanks to private investors and that the federal funding merely hastened development that would have occurred regardless.
[...]
While the government most recently paid $26 per dose of Moderna's updated booster, the company is planning to raise the price of its shots to $110 to $130 per dose.

Related:
"Pure and Deadly Greed": Lawmakers Slam Pfizer's 400% Price Hike on COVID Shots

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