An anonymous reader shares this announcement from NASA: Based on data from the Ingenuity Mars helicopter that arrived late Friday night, NASA has chosen to reschedule the Ingenuity Mars Helicopter's first experimental flight to no earlier than April 14 [this Wednesday]. During a high-speed spin test of the rotors on Friday, the command sequence controlling the test ended early due to a "watchdog" timer expiration. This occurred as it was trying to transition the flight computer from 'Pre-Flight' to 'Flight' mode. The helicopter is safe and healthy and communicated its full telemetry set to Earth. The watchdog timer oversees the command sequence and alerts the system to any potential issues. It helps the system stay safe by not proceeding if an issue is observed and worked as planned. The helicopter team is reviewing telemetry to diagnose and understand the issue. Following that, they will reschedule the full-speed test.

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"Using just your phone number, a remote attacker can easily deactivate WhatsApp on your phone and then stop you getting back in," reports a new article in Forbes. "Even two-factor authentication will not stop this..." The attacker triggers a 12-hour freeze on new verification codes being sent to your phone — then simply reports that same phone number as a lost/stolen phone needing deactivation. There are apparently no follow-up questions, and "an automated process has been triggered, without your knowledge, and your account will now be deactivated," Forbes writes. The phone can't be reactivated without one of those verification codes blocked by that 12-hour freeze (which the attacker can renew for another 12-hour window, until the next day WhatsApp blocks those reactivating codes indefinitely). "There is no sophistication to this attack — that's the real issue here and WhatsApp should address it immediately..." Forbes complains. This shouldn't happen. It shouldn't be possible. Not with a platform used by 2 billion people. Not this easily. When researchers, Luis Márquez Carpintero and Ernesto Canales Pereña, warned they could kill WhatsApp on my phone, blocking me from my own account using just my phone number, I was doubtful. But they were right... Despite its vast user base, WhatsApp is creaking at the seams. Its architecture has fallen behind its rivals, missing key features such as multi-device access and fully encrypted backups. As the world's most popular messenger focuses on mandating new terms of service to enable Facebook's latest money-making schemes, these much-needed advancements remain "in development...." Reached for comment, WhatsApp told Forbes that any victims of the attack should contact their support team — adding that such an attack would "violate our terms of service." But Forbes adds "your other option would be to follow Mark Zuckerberg's reported example and start to use Signal..." Unfortunately, playing down the seriousness of security risks has become the in-house style at Facebook. Back in 2019, I reported on a vulnerability that allowed private user phone numbers to be pulled from Facebook databases at scale using automated bots. That hack was acknowledged by Facebook but dismissed as an "unlikely problem." Some 533 million users might now disagree.

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Elon Musk's Boring Company showed off its 1.7 mile loop of tunnel underneath the Las Vegas Convention Center this week, and Electrek writes that "it proved to be, well, quite boring... The vehicles are not going faster than 35 mph, and they are not being driven autonomously." CNET's headline even calls the tunnel "lame," complaining that the project "is quickly turning into Tesla cars driving people underground, rather than some sort of futuristic transport system." "Detractors say that makes The Boring Company's projects little more than reinvented subways with significantly less passenger capacity," adds Business Insider: Critics also point out that The Boring Company's noble aim of building congestion-alleviating tunnels under cities worldwide ignores the phenomenon of induced demand, which says that more roadways — even underground ones — will give way to more cars. But Jalopnik had probably the harshest reaction to the Vegas Loop, noting that the speed of the system is "about 10 mph less than the top speed of a 1908 Ford Model T," and calling it "about as exciting as a sheet of unpainted drywall discarded in a closed office park..." Musk's The Boring Company own the machines that dug the tunnels, and those machines, some of which were heavily modified by the company, are capable of using the excess dirt from the tunnel to turn into bricks, which is pretty cool, I guess. Raw, humid thrills of brick-making aside, all this really is are some Teslas driving in tunnels lined with LED lights. Sure, it's a 45-minute walk (correction, more like 20 minutes, sorry) on the surface and only a few minutes ride underneath, but the system is still remarkably bad at moving large numbers of people per hour, the metric normally used to evaluate mass transit systems. While it was originally intended to move up to 4,400 people per hour, fire regulations will limit the system to moving between 800 and 1,200 people per hour. That said, it looks like the company still states the 4,400 number, when used with 62 cars in the tunnel, though based on the safety issues, this does not seem likely. That's in the same ballpark as normal vehicular street traffic for private cars (600 to 1,600 people per hour) and a lot less than a dedicated bus lane (4,000 to 8,000 per hour) — hell, normal 60-passenger buses can do about 1,800 per hour, if we have them going back and forth every two minutes or so. A dumb old sidewalk can move 9,000 people an hour! But that's walking, which is what animals do, and it takes a while and has the potential to make you sweat. Proposed moving high-speed sidewalks, similar to the ThyssenKrupp ACCEL system used in the Toronto Pearson International airport, are expected to move about 7,000 people per hour, and such a system would be far cheaper and easier to build... As it stands now, we have a few Teslas driving around in long, narrow loops under the convention center, saving you a bit of walking but doing every other part of the job of moving people worse than almost any other solution. Business Insider's report adds that the Boring Company "aims to expand the system to other Las Vegas destinations, including the airport and downtown" — and that the company also in talks with Miami officials about a similar project.

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Slashdot reader alaskana98 shared this report from The Drive: In July of 2019, a truly bizarre series of events unfolded around California's Channel Islands. Over a number of days, groups of unidentified aircraft, which the U.S. Navy simply refers to as 'drones' or 'UAVs,' pursued that service's vessels, prompting a high-level investigation. During the evening encounters, as many as six aircraft were reported swarming around the ships at once. The drones were described as flying for prolonged periods in low-visibility conditions, and performing brazen maneuvers over the Navy warships near a sensitive military training range less than 100 miles off Los Angeles. The ensuing investigation included elements of the Navy, Coast Guard, and the Federal Bureau of Investigation. One drone on the first night even "managed to match the destroyer's speed with the craft moving at 16 knots in order to maintain a hovering position over the ship's helicopter landing pad... By this point, the encounter had lasted over 90 minutes — significantly longer than what commercially available drones can typically sustain... If the drones were not operated by the American military, these incidents represent a highly significant security breach." In a follow-up, they report that America's chief of naval operations was asked Monday if the Navy had positively identified any of the aircraft involved, and responded "No, we have not. I am aware of those sightings and as it's been reported there have been other sightings by aviators in the air and by other ships not only of the United States, but other nations — and of course other elements within the U.S. joint force." The chief of naval operations was also asked if there was any suspicion that the drones were "extraterrestrial." He replied, "No, I can't speak to that — I have no indications at all of that."

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Four times in recent weeks, the White House press secretary was relayed questions from someone that Mediate describes as "a gag persona for a former Secretary of State made of Legos." The reporters believed they were helping a real reporter who was prohibited by Covid protocols from attending. Politico reports: That colleague, who goes by the name Kacey Montagu, doesn't exist — at least not as an actual reporter. Since late last year, Montagu has taken on the identity of a White House correspondent extraordinaire with a fictional outlet to boot: White House News, shortened in emails to WHN... In communications with confidants, Montagu has posed as a member of White House Correspondents Association, claiming to be a reporter for The Daily Mail, the British tabloid known for its gossipy coverage of celebrities and political figures. Montagu also communicates regularly with top White House reporters and has had several exchanges with White House officials. But Montagu never joined WHCA and The Daily Mail. There is no Kacey Montagu, except as a digital impersonation of a White House correspondent... Montagu's activity is a remarkable illustration of how the online landscape, along with the age of pandemic-related virtual work, has opened up avenues for the mischievous-minded to infiltrate the top echelons of power. What's perhaps more remarkable is that he or she did it all without raising a solitary eyebrow... until Thursday. Montagu had started a Twitter account showing the schedules of White House officials, which ultimately attracted a following by actual White House correspondents and even some minor government staffers, according to the article. Acquaintances...believe Montagu's White House moonlighting began as something to boast about in the online global gaming platform called ROBLOX, where users jokingly call themselves "Legos." Within that platform is a role-playing group called nUSA, where people from across the world engage in a mock U.S. government exercise... Another longtime member of the community in touch with Montagu said they suspected that they created the account "just for the memes" and never assumed things would progress this far.

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Long-time Slashdot reader xiando quotes LinuxReviews: The community distribution Arch Linux has up to now required you to manually install it by entering a whole lot of scary commands in a terminal. Arch version 2021.04.01 features a new guided installer [reached by] typing python -m archinstall guided into the console you get when you boot the Arch Linux installation ISO. It is not very novice-friendly, or user-friendly, but it gets the job done and it will work fine for those with some basic GNU/Linux knowledge. Tech Radar writes that previously Arch Linux had "a rather convoluted installation process, which has given rise to a stream of Arch-based distros that are easier to install," adding that the new installer "was reportedly promoted as an official installation mechanism back in January, and was actively worked upon leading to its inclusion in the installation medium." Users have been calling on Arch Linux for simplifying the installation process for a long time, to bring it in line with other Linux distros. However, the Arch philosophy has always been to put the users in charge of every aspect of their installation, which is the antithesis of automated installers. Phoronix calls the new installer "very quick and easy," although "granted not as user-friendly / polished as say the Debian Installer, Red Hat's Anaconda installer, even Ubuntu's Subiquity, and other TUI/GUI Linux installers out there." They also note that Archinstall "does allow automatically partitioning the drive with your choice of file-system options, automatically installing a desktop environment if desired, configuring the network interfaces, and all the other basics." The method is quick enough that I'll likely use archinstall for future Arch Linux benchmarks on Phoronix as it also then applies a sane set of defaults for users... Five minutes or less and off to the races, ready for Arch Linux." But Slashdot reader I75BJC still favors "scary commands in a terminal," leaving this comment on the original submission: If you can't type with the big adults, stay on your PlayStation. Even Apple, with its very good GUI has a command line. The command line commands are more flexible, more specific, more subtle than the pointy-clicky GUI.

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"New research has found that previous ice loss events could have caused sea-level rise at rates of around 3.6 meters per century, offering vital clues as to what lies ahead should climate change continue unabated," reports Phys.org: A team of scientists, led by researchers from Durham University, used geological records of past sea levels to shed light on the ice sheets responsible for a rapid pulse of sea-level rise in Earth's recent past. Geological records tell us that, at the end of the last ice age around 14,600 years ago, sea levels rose at ten times the current rate due to Meltwater Pulse 1A (MWP-1A); a 500 year, ~18 meter sea-level rise event... The new study uses detailed geological sea-level data and state-of-the-art modelling techniques to reveal the sources... Interestingly, most of the meltwater appears to have originated from the former North American and Eurasian ice sheets, with minimal contribution from Antarctica, reconciling formerly disparate views... The results are important for our understanding of ice-ocean-climate interactions which play a significant role in shaping terrestrial weather patterns. The findings are particularly timely with the Greenland ice sheet rapidly melting, contributing to a rise in sea levels and changes to global ocean circulation... Lead author Yucheng Lin, in the Department of Geography at Durham University notes, "The next big question is to work out what triggered the ice melt, and what impact the massive influx of meltwater had on ocean currents in the North Atlantic. This is very much on our minds today — any disruption to the Gulf Stream, for example due to melting of the Greenland Ice Sheet, will have significant consequences for the UK climate."

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Angel investor Balaji S. Srinivasan (also the former CTO of Coinbase) is now focused on 1729.com, which wants to give you money to do his bidding — or something like that. He's calling it "the first newsletter that pays you. "It has a regular feed of paid tasks and tutorials with $1000+ in crypto prizes per day, and doubles as a vehicle for distributing a new book I've been writing called The Network State." His latest post? "How to Start a New Country" (which envisions starting with a "cloud first" digital community): We recruit online for a group of people interested in founding a new virtual social network, a new city, and eventually a new country. We build the embryonic state as an open source project, we organize our internal economy around remote work, we cultivate in-person levels of civility, we simulate architecture in VR, and we create art and literature that reflects our values. Over time we eventually crowdfund territory in the real world, but not necessarily contiguous territory. Because an under-appreciated fact is that the internet allows us to network enclaves. Put another way, a cloud community need not acquire all its territory in one place at one time. It can connect a thousand apartments, a hundred houses, and a dozen cul-de-sacs in different cities into a new kind of fractal polity with its capital in the cloud. Over time, community members migrate between these enclaves and crowdfund territory nearby, with every individual dwelling and group house presenting an independent opportunity for expansion... [Cloud countries] are set up to be a scaled live action role-playing game (LARP), a feat of imagination practiced by large numbers of people at the same time. And the experience of cryptocurrencies over the last decade shows us just how powerful such a shared LARP can be... The cloud country concept "just" requires stacking together many existing technologies, rather than inventing new ones like Mars-capable rockets or permanent-habitation seasteads. Yet at the same time it avoids the obvious pathways of election, revolution, and war — all of which are ugly and none of which provide much venue for individual initiative... Could a sufficiently robust cloud country with, say, 1-10M committed digital citizens, provable cryptocurrency reserves, and physical holdings all over the earth similarly achieve societal recognition from the United Nations? For the "do his bidding" part, the post promises that up to ten $100 prizes will be awarded to people who share constructive reviews on their sites/social media pages (including proposals for extensions). Previously the site had offered $100 for the ten best hirelings "running a newsletter for technological progressives at your own domain, as a way to begin incentivizing the decentralization of media." (It cited a tweet that argues succinctly that "The NYT is telling anti-longevity stories for us. We must take control of our own story.") In general the site describes itself as "a newsletter for technological progressives. That means people who are into cryptocurrencies, startup cities, mathematics, transhumanism, space travel, reversing aging, and initially-crazy-seeming-but-technologically-feasible ideas." So the newsletter-creating task had envisioned them all "constantly pushing for technology in general and reversing aging in particular, writing like their lives depended on it. In other words, blog or die!" Other rewards went to the first 10 people to complete three Elixir problems, the 100 people who posted the best inspiring proof-of-exercising photos, and 40 people who helped identify people and places "where the ascending world is surpassing the declining world." For one of his latest "tasks," Srinivasan wants you to read a long essay on quantum computing (and answer questions), with an optional series of "review emails". $10 in bitcoin will be awarded only to the first and last 50 readers/question-answerers, while another $100 in bitcoin will be awarded to the first and last 5 review-email readers who "persist for a month."

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A software mistake caused a flight on Tui airlines "to take off heavier than expected," according to The Guardian, citing an investigation by the UK's Air Accidents Investigation Branch An update to the airline's reservation system while its planes were grounded due to the coronavirus pandemic led to 38 passengers on the flight being allocated a child's "standard weight" of 35kg [77 pounds] as opposed to the adult figure of 69kg [152 pounds]. This caused the load sheet — produced for the captain to calculate what inputs are needed for take-off — to state that the Boeing 737 was more than 1,200kg lighter [2,645 pounds] than it actually was. Investigators described the glitch as "a simple flaw" in an IT system. It was programmed in an unnamed foreign country where the title "Miss" is used for a child and "Ms" for an adult female. Despite the issue, the thrust used for the departure from Birmingham on 21 July 2020 was only "marginally less" than it should have been, and the "safe operation of the aircraft was not compromised", the AAIB said. They're still classifying it as a "serious incident" — and also note that because of the same software glitch, two more UK flights also took off on the same day with inaccurate load sheets.

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"Scientists have demonstrated the first human use of a wireless brain-computer interface, a potential breakthrough for people with paralysis," reports The Next Web (in a story shared by Slashdot reader Hmmmmmm): While traditional BCIs are tethered to users via cables, the new system — called BrainGate — replaces the cords with a small transmitter affixed atop a users' head. The unit then connects to an electrode array implanted in the brain's motor cortex. In a clinical trial, two participants with paralysis used the system to point, click, and type on a standard tablet computer. They both achieved similar typing speeds and point-and-click accuracy as those attained with wired systems. The researchers say it's the first time a device has transmitted the full spectrum of signals recorded by a sensor in the brain's motor cortex.

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Procter & Gamble "helped develop a technique being tested in China to gather iPhone data for targeted ads, a step intended to give companies a way around Apple Inc.'s new privacy tools," reports the Wall Street Journal. (Citing "people familiar with the matter.") The move is part of a broader effort by the consumer-goods giant to prepare for an era in which new rules and consumer preferences limit the amount of data available to marketers. P&G — among the world's largest advertisers, with brands such as Gillette razors and Charmin toilet paper — is the biggest Western company involved in the effort, the people said. The company has joined forces with dozens of Chinese trade groups and tech firms working with the state-backed China Advertising Association to develop the new technique, which would use technology called device fingerprinting, the people said. Dubbed CAID, the advertising method is being tested through apps and gathers iPhone user data. Through the use of an algorithm, it can track users for purposes of targeting ads in a way that Apple is seeking to prevent. Apple's response? "We believe strongly that users should be asked for their permission before being tracked. Apps that are found to disregard the user's choice will be rejected."

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CBS News reports: The number of U.S. suicides fell nearly 6% last year amid the coronavirus pandemic — the largest annual decline in at least four decades, according to preliminary government data. Death certificates are still coming in and the count could rise. But officials expect a substantial decline will endure, despite worries that COVID-19 could lead to more suicides. It is hard to say exactly why suicide deaths dropped so much, but one factor may be a phenomenon seen in the early stages of wars and national disasters, some experts suggested. "There's a heroism phase in every disaster period, where we're banding together and expressing lots of messages of support that we're in this together," said Dr. Christine Moutier, chief medical officer of the American Foundation for Suicide Prevention. "You saw that, at least in the early months of the pandemic." An increase in the availability of telehealth services and other efforts to turn around the nation's suicide problem may have also contributed, she said. U.S. suicides steadily rose from the early 2000s until 2018, when the national suicide rate hit its highest level since 1941. The rate finally fell slightly in 2019. Experts credited increased mental health screenings and other suicide prevention efforts. The number fell further last year, to below 45,000, the Centers for Disease Control and Prevention said in a recent report. It was the lowest number of U.S. suicide deaths since 2015. MarketWatch also points out that in the U.S. in 2020, "Total deaths increased by 17.7% year over year, the provisional estimates showed. "COVID-19 became the third leading cause of death after heart disease and cancer, while suicide dropped from the country's 10th leading cause of death to the 11th.

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