The four main engines for Nasa's new "megarocket" are to be fired in unison for the first time.

A Massachusetts company has been granted approval to operate commercial drone flights without a person directing the machine and keeping it in sight. It's the first time that the Federal Aviation Administration has allowed fully automated commercial drone flights. ABC News reports: American Robotics Inc. touted the advantage of its machines as being able to operate continuously without "expensive human labor." The Marlborough, Massachusetts, company said Friday it has tested fully automated drones for four years. CEO and co-founder Reese Mozer said there could be a $100 billion market in providing drone services to industries such as energy and agriculture, but that FAA safety requirements have restricted their use. The company said its Scout drones have technology to stay a safe distance from other aircraft. They are housed in base stations that allow for autonomous charging and to process and transmit the data they collect from aerial surveys. According to documents posted Thursday by the FAA, the drones, which fly along planned routes, will be limited to altitudes below 400 feet (122 meters) in rural areas. The FAA will allow them to have a maximum takeoff weight of 20 pounds (nine kilograms).

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Underwater seagrass in coastal areas appear to trap plastic pollution in natural bundles of fiber known as "Neptune balls," researchers have found. The Guardian reports: With no help from humans, the swaying plants -- anchored to shallow seabeds -- may collect nearly 900 million plastic items in the Mediterranean alone every year, a study reported in the journal Scientific Reports said. "We show that plastic debris in the seafloor can be trapped in seagrass remains, eventually leaving the marine environment through beaching," lead author Anna Sanchez-Vidal, a marine biologist at the University of Barcelona, told AFP. This clean-up "represents a continuous purge of plastic debris out of the sea," she added. To better understand the plastic bundling capabilities of seagrass, Sanchez-Vidal and her team studied a species found only in the Mediterranean sea, Posidonia oceanica. In 2018 and 2019, they counted the number of plastic particles found in seaballs that had washed up on four beaches in Mallorca, Spain, which has large seagrass meadows offshore. There was plastic debris in half of the loose seagrass leaf samples, up to 600 bits per kilogram of leaves. Only 17% of the tighter bundled seagrass fibre known as Neptune balls contained plastic, but at a much higher density -- nearly 1,500 pieces per kilogram of seaball. Using estimates of seagrass fibre production in the Mediterranean, the researchers worked up an estimate of how much plastic might be filtered in the entire basin. The oval orbs -- the shape of a rugby ball -- form from the base of leaves that have been shredded by the action of ocean currents but remain attached to stems, called rhizomes. As they are slowly buried by sedimentation, the damaged leaf sheaths form stiff fibres that intertwine into a ball, collecting plastic in the process.

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An anonymous reader quotes a report from ZDNet: For more than five years, macOS users have been the targets of a sneaky malware operation that used a clever trick to avoid detection and hijacked the hardware resources of infected users to mine cryptocurrency behind their backs. Named OSAMiner, the malware has been distributed in the wild since at least 2015 disguised in pirated (cracked) games and software such as League of Legends and Microsoft Office for Mac, security firm SentinelOne said in a report published this week. But the cryptominer did not go entirely unnoticed. SentinelOne said that two Chinese security firms spotted and analyzed older versions of the OSAMiner in August and September 2018, respectively. But their reports only scratched the surface of what OSAMiner was capable of, SentinelOne macOS malware researcher Phil Stokes said yesterday. The primary reason was that security researchers weren't able to retrieve the malware's entire code at the time, which used nested run-only AppleScript files to retrieve its malicious code across different stages. As users installed the pirated software, the boobytrapped installers would download and run a run-only AppleScript, which would download and run a second run-only AppleScript, and then another final third run-only AppleScript. Since "run-only" AppleScript come in a compiled state where the source code isn't human-readable, this made analysis harder for security researchers.

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Facebook is harnessing the power of artificial intelligence to help doctors predict whether they will need more resources, such as extra oxygen to care for COVID-19 patients in hospitals. CNET reports: The social network said Friday it developed two AI models, one based on a single chest X-ray, and another from a series X-rays, that could help forecast if a patient infected by the coronavirus is likely to get worse. A third model predicts the amount of extra oxygen a COVID-19 patient might need. Facebook's AI models generally did a better job than a human when it came to forecasting up to four days in advance if a patient will need more intensive care resources. Partnering with with New York University Langone Health's Predictive Analytics Unit and Department of Radiology, Facebook's AI research is another example of how tech companies are trying to help the health industry battle COVID-19. [...] Facebook's models rely on a technique in which AI learns on its own rather than depending on data labelled by humans, which can be a time-consuming process. The social network and NYU are publishing their research and open sourcing the AI models.

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Amazon.com and the "Big Five" publishers -- Penguin Random House, Hachette, HarperCollins, Macmillan and Simon & Schuster -- have been accused of colluding to fix ebook prices, in a class action filed by the law firm that successfully sued Apple and the Big Five on the same charge 10 years ago. The Guardian reports: The lawsuit, filed in district court in New York on Thursday by Seattle firm Hagens Berman, on behalf of consumers in several US states, names the retail giant as the sole defendant but labels the publishers "co-conspirators." It alleges Amazon and the publishers use a clause known as "Most Favored Nations" (MFN) to keep ebook prices artificially high, by agreeing to price restraints that force consumers to pay more for ebooks purchased on retail platforms that are not Amazon.com. The lawsuit claims that almost 90% of all ebooks sold in the US are sold on Amazon, in addition to over 50% of all print books. The suit alleges that ebook prices dropped in 2013 and 2014 after Apple and major publishers were successfully sued for conspiring to set ebook prices, but rose again after Amazon renegotiated their contracts in 2015. "In violation of Section 1 of the Sherman Antitrust Act, Defendant and the Big Five Co-conspirators agreed to various anti-competitive MFNs and anti-competitive provisions that functioned the same as MFNs," the complaint states. "Amazon's agreement with its Co-conspirators is an unreasonable restraint of trade that prevents competitive pricing and causes Plaintiffs and other consumers to overpay when they purchase ebooks from the Big Five through an ebook retailer that competes with Amazon. That harm persists and will not abate unless Amazon and the Big Five are stopped." The suit seeks compensation for consumers who purchased ebooks through competitors, damages and injunctive relief that would require Amazon and the publishers to "stop enforcing anti-competitive price restraints."

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In addition to upgraded MacBook Pros, Bloomberg reports that Apple is also "planning the first redesign of its iMac all-in-one desktop computer since 2012," as it shifts away from Intel to its own silicon. From the report: The new models will slim down the thick black borders around the screen and do away with the sizable metal chin area in favor of a design similar to Apple's Pro Display XDR monitor. These iMacs will have a flat back, moving away from the curved rear of the current iMac. Apple is planning to launch two versions -- codenamed J456 and J457 -- to replace the existing 21.5-inch and 27-inch models later this year, the people said, asking not to be identified because the products are not yet announced. The new models will use next-generation versions of Apple's Mac processors like the upcoming 2021 MacBook Pros. The iMac redesign will be one of the biggest visual updates to any Apple product this year, according to people familiar with the company's roadmap. Apple is also working on a pair of new Mac Pro desktop computers, its priciest Mac machines that don't come with a screen included, the people said. One version is a direct update to the current Mac Pro and will continue to use the same design as the version launched in 2019. Apple has discussed continuing to use Intel processors for that model rather than moving to its own chips. The second version, however, will use Apple's own processors and be less than half the size of the current Mac Pro. The design will feature a mostly aluminum exterior and could invoke nostalgia for the Power Mac G4 Cube, a short-lived smaller version of the Power Mac, an earlier iteration of the Mac Pro. Apple has also reportedly started development of a cheaper external monitor to sell alongside the Pro Display XDR. "The cheaper monitor would feature a screen geared more for consumer than professional use and wouldn't have the brightness and contrast ratio of the top-tier offering," reports Bloomberg.

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An anonymous reader quotes a report from Ars Technica: The "instant on" feature that's activated by default on new Xbox Series S/X consoles could suck up a total of 4 billion kWh -- the equivalent of a year's operation for a large power plant -- from US owners alone through 2025. That's according to a preliminary report released this week from the Natural Resources Defense Council, an environmentally focused nonprofit advocacy group. As the name implies, the "instant on" feature of the Series S/X (and the Xbox One before it) lets users skip the usual startup time when turning the console back on. That saves about 10 to 15 seconds of waiting per power cycle on the Series S/X, down from about 45 seconds on the Xbox One. "Instant on" standby also lets the system check periodically for system updates in order to download and install them in between play sessions. But leaving the "instant on" feature active means the Xbox Series S/X draws nine to 10 watts of power 24 hours a day -- even when it's not being actively used -- compared to less than 1W if the standby settings are switched to "energy saving" mode. The Xbox Series S/X initially drew 25 to 28W of "instant on" standby power at launch, but a recent firmware update caused a dramatic reduction, placing the new systems below the ~13W drawn by the Xbox One's "instant on" mode. The PlayStation 5, by contrast, uses between 1 and 2 watts when sitting idle in "rest mode."

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schwit1 shares a report from ScienceAlert: [S]cientists have just delivered their verdict on whether we'd be able to control a high-level computer super-intelligence. The answer? Almost definitely not. The catch is that controlling a super-intelligence far beyond human comprehension would require a simulation of that super-intelligence which we can analyze. But if we're unable to comprehend it, it's impossible to create such a simulation. Rules such as "cause no harm to humans" can't be set if we don't understand the kind of scenarios that an AI is going to come up with, suggest the authors of the new paper. Once a computer system is working on a level above the scope of our programmers, we can no longer set limits. Part of the team's reasoning comes from the halting problem put forward by Alan Turing in 1936. The problem centers on knowing whether or not a computer program will reach a conclusion and answer (so it halts), or simply loop forever trying to find one. As Turing proved through some smart math, while we can know that for some specific programs, it's logically impossible to find a way that will allow us to know that for every potential program that could ever be written. That brings us back to AI, which in a super-intelligent state could feasibly hold every possible computer program in its memory at once. Any program written to stop AI harming humans and destroying the world, for example, may reach a conclusion (and halt) or not -- it's mathematically impossible for us to be absolutely sure either way, which means it's not containable. The alternative to teaching AI some ethics and telling it not to destroy the world -- something which no algorithm can be absolutely certain of doing, the researchers say -- is to limit the capabilities of the super-intelligence. It could be cut off from parts of the internet or from certain networks, for example. The new study rejects this idea too, suggesting that it would limit the reach of the artificial intelligence -- the argument goes that if we're not going to use it to solve problems beyond the scope of humans, then why create it at all? If we are going to push ahead with artificial intelligence, we might not even know when a super-intelligence beyond our control arrives, such is its incomprehensibility. That means we need to start asking some serious questions about the directions we're going in.

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jyosim writes: Professors at the University of Florida are outraged that the university essentially put a "tattle" button on a campus safety app that lets students report if professors aren't teaching in person. Apparently more than 100 professors there have asked to teach online for health reasons but have been denied, and administrators worry that they'll just teach online anyway. Professors feel the app is akin to a "police state." "The university spokesperson said that administrators had heard that some professors 'would simply refuse to teach an in person class if that's what they were supposed to be doing,' so they added the feature, which rolled out this week as spring classes began," reports EdSurge. An email was sent to all students on Monday that encouraged them to use the app if they saw any 'inconsistencies' in course delivery." In response, Daniel A. Smith, chair of the university's political-science department, wrote in a letter: "Emulation of police states is not a good look for a university devoted to the education of democratic citizens. What sort of message does this send to our students?" On Twitter, professor Lisa S. Scott said she was "more than a little disturbed" by the move, adding, "@UF do better. We've been working our asses off for you through all of this."

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An anonymous reader quotes a report from NPR: Some 6,000 workers at Amazon's warehouse in Bessemer, Ala., will begin voting next month on a groundbreaking possibility: the first union in the company's U.S. history. The National Labor Relations Board on Friday scheduled the vote by mail because of coronavirus concerns. It will begin Feb. 8 and continue through March 29. Workers at one of Amazon's newest facilities are deciding whether to join the Retail, Wholesale and Department Store Union. Friday's ruling came after the agency facilitated a hearing, in which Amazon and the retail-workers union hashed out who should be included in the bargaining unit and how the vote should take place. Both parties agreed that hundreds of seasonal workers should be eligible to cast ballots. The NLRB rejected Amazon's calls for a traditional in-person vote in favor of balloting by mail. "The biggest thing is Amazon is one of the biggest employers in the United States and they're heavily, heavily anti-union," said Arthur Wheaton of The Worker Institute at Cornell University. "So if you can start to get some of their U.S.-based (workers) successfully organized with the union, then that could lead to other cities also doing that." Amazon has said that between March and mid-September, it employed almost 1.4 million front-line workers across Amazon and Whole Foods in the United States. The company has argued the petitioners did not represent "the majority of our employees' views" and touted the warehouse facility's pay and benefits.

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