The American military news site Defense One shares a cautionary tale from top U.S. Air Force Major General Daniel Simpson (assistant deputy chief of staff for intelligence, surveillance, and reconnaissance). Simpson describes their experience with an experimental AI-based target recognition program that had seemed to be performing well: Initially, the AI was fed data from a sensor that looked for a single surface-to-surface missile at an oblique angle, Simpson said. Then it was fed data from another sensor that looked for multiple missiles at a near-vertical angle. "What a surprise: the algorithm did not perform well. It actually was accurate maybe about 25 percent of the time," he said.

That's an example of what's sometimes called brittle AI, which "occurs when any algorithm cannot generalize or adapt to conditions outside a narrow set of assumptions," according to a 2020 report by researcher and former Navy aviator Missy Cummings. When the data used to train the algorithm consists of too much of one type of image or sensor data from a unique vantage point, and not enough from other vantages, distances, or conditions, you get brittleness, Cummings said. In settings like driverless-car experiments, researchers will just collect more data for training. But that can be very difficult in military settings where there might be a whole lot of data of one type — say overhead satellite or drone imagery — but very little of any other type because it wasn't useful on the battlefield...

Simpson said the low accuracy rate of the algorithm wasn't the most worrying part of the exercise. While the algorithm was only right 25 percent of the time, he said, "It was confident that it was right 90 percent of the time, so it was confidently wrong. And that's not the algorithm's fault. It's because we fed it the wrong training data."

An anonymous reader quotes a report from The Drive: U.S. Space Force's General David Thompson, the service's second in command, said last week that Russia and China are launching "reversible attacks," such as electronic warfare jamming, temporarily blinding optics with lasers, and cyber attacks, on U.S. satellites "every single day." He also disclosed that a small Russian satellite used to conduct an on-orbit anti-satellite weapon test back in 2019 had first gotten so close to an American one that there were concerns an actual attack was imminent.

Thompson, who is Vice Chief of Space Operations, disclosed these details to The Washington Post's Josh Rogin in an interview on the sidelines of the Halifax International Security Forum, which ran from Nov. 19 to 21 in Halifax, Nova Scotia, in Canada. The forum opened just four days after a Russian anti-satellite weapon test involving a ground-launched interceptor, which destroyed a defunct Soviet-era electronic intelligence satellite and created a cloud of debris that presents a risk to the International Space Station (ISS). That test drew widespread condemnation, including from the U.S. government, and prompted renewed discussion about potential future conflicts in space.

"The threats are really growing and expanding every single day. And it's really an evolution of activity that's been happening for a long time," Thompson, told Rogin. "We're really at a point now where there's a whole host of ways that our space systems can be threatened." "Right now, Space Force is dealing with what Thompson calls 'reversible attacks' on U.S. government satellites (meaning attacks that don't permanently damage the satellites) 'every single day,'" according to Rogin. "Both China and Russia are regularly attacking U.S. satellites with non-kinetic means, including lasers, radio frequency jammers, and cyber attacks, he said." [...] Thompson's assertion that these kinds of attacks are occurring with extreme frequency is new. It underscores the rapid development and fielding by Russia and China, among others, of a wide variety of anti-satellite capabilities, something the U.S. military has called increasing attention to in recent years. "The Chinese are actually well ahead [of Russia]," Thompson told Rogin. "They're fielding operational systems at an incredible rate." "Thompson could not confirm or deny whether any American satellites had actually been damaged in a Russian or Chinese attack," the report adds. "[H]e told Rogin that even if such a thing had occurred, that very fact would be classified."

He did, however, provide new details about the incident in 2019 where a small Russian satellite released a projectile in one on-orbit anti-satellite weapon test. According to The Drive, "Russia's satellite had first got in very close to a U.S. 'national security satellite' and that 'the U.S. government didn't know whether it was attacking or not.'"

"It maneuvered close, it maneuvered dangerously, it maneuvered threateningly so that they were coming close enough that there was a concern of collision," Thompson said. "So clearly, the Russians were sending us a message."

An anonymous reader quotes a report from Gizmodo: The recently passed $1 trillion infrastructure package is jam-packed with initiatives but sprinkled in there alongside $17 billion in funding for road safety programs is a mandate requiring carmakers to implement monitoring systems to identify and stop drunk drivers. The mandate, first noted by the Associated Press could apply to new vehicles sold as early as 2026. Courts have ordered some drunk drivers to use breathalyzers attached to ignition interlocks to start their vehicles for years, but the technology noted in this bill would take that concept much further and would need to be capable of "passively monitor[ing] the performance of a driver of a motor vehicle to accurately identify whether that driver may be impaired."

Though the Department of Transportation has yet to put its foot down on the exact type of technology it will use for this program, the National Highway Traffic Safety Administration (NHTSA) and 17 automakers have been working on something called the Driver Alcohol Detection System for Safety (DADSS) since 2008. DADSS is exploring both a breath and touch-based system to detect whether or not a driver has a blood alcohol concentration (BAC) at or above 0.08%. The breath-based system aims to measure alcohol readings based on a driver's breath with the goal of distinguishing between the driver and passengers. The touch-based system meanwhile would shine an infrared light through a driver's fingertip to measure blood alcohol levels under the skin's surface. [...]

The new mandate struck a positive note with some car safety groups, including Mothers Against Drunk Driving which has advocated for more detection tech in the past. "It's monumental," Alex Otte, national president of Mothers Against Drunk Driving told the AP. Otte went on to describe the package as the "single most important legislation" in the group's history. At the same time though, the mandate has drawn concerns from safety experts and digital rights groups that warn driver monitoring technology could have knock-on privacy implications. In a letter sent last year by the American Highway Users Alliance, the organization urged support of the NHTSA's DADSS Research Program but expressed concerns that the technology could potentially infringe on driver's civil liberties. "The group also expressed concerns over how the collection and storage of driver data would work and who would have the rights to that data," adds Gizmodo. Others have also expressed concerns over the accuracy of driving monitoring technology and potential risks of bias.

Zillow is looking to sell about 7,000 homes as it seeks to recover from a fumble in its high-tech home-flipping business. Bloomberg reports: The company is seeking roughly $2.8 billion for the houses, which are being pitched to institutional investors, according to people familiar with the matter. Zillow will likely sell the properties to a multitude of buyers rather than packaging them in a single transaction, said the people, who asked not to be named because the matter is private. The move to offload homes comes as Zillow seeks to recover from an operational stumble that saw it buy too many houses, with many now being listed for less than it paid. The company typically offers smaller numbers of homes to single-family landlords, but the current sales effort is much larger than normal. If successful, the sale would make a dramatic dent in Zillow's inventory. The company acquired roughly 8,000 homes in the third quarter, according to an estimate by real estate tech strategist Mike DelPrete.

"License plate readers are rapidly reshaping private security in American neighborhoods," reports the Washington Post, as aggressively-marketed $2,500-a-year "safety-as-a-service" packages "spread to cover practically everywhere anyone chooses to live in the United States" and "bringing police surveillance tools to the masses with an automated watchdog that records 24 hours a day." Flock Safety, the industry leader, says its systems have been installed in 1,400 cities across 40 states and now capture data from more than a billion cars and trucks every month. "This is not just for million-dollar homes," Flock's founder, Garrett Langley, said. "This is America at its core..."

Its solar-powered, motion-sensing camera can snap a dozen photos of a single plate in less than a second — even in the dark, in the rain, of a car driving 100 mph up to 75 feet away, as Flock's marketing materials say. Piped into a neighborhood's private Flock database, the photos are made available for the homeowners to search, filter or peruse. Machine-learning software categorizes each vehicle based on two dozen attributes, including its color, make and model; what state its plates came from; and whether it had bumper stickers or a roof rack. Each "vehicle fingerprint" is pinpointed on a map and tracked by how often it had been spotted in the past month. The plates are also run against law enforcement watch lists for abducted children, stolen cars, missing people and wanted fugitives; if there's a match, the system alerts the nearest police force with details on how to track it down...

Flock's customer base has roughly quadrupled since 2019, with police agencies and homeowners associations in more than 1,400 cities today, and the company has hired sales representatives in 30 states to court customers with promises of a safer, more-monitored life. Company officials have also attended town hall meetings and papered homeowners associations with glossy marketing materials declaring its system "the most user-friendly, least invasive way for communities to stop crime": a network of cameras "that see like a detective," "protect home values" and "automate [the] neighborhood watch ... while you sleep." Along the way, the Atlanta-based company has become an unlikely darling of American tech. The company said in July it had raised $150 million from prominent venture capital firms such as Andreessen Horowitz, which said Flock was pursuing "a massive opportunity in shaping the future...."

Flock deletes the footage every 30 days by default and encourages customers to search only when investigating crime. But the company otherwise lets customers set their own rules: In some neighborhoods, all the homeowners can access the images for themselves...

Camera opponents didn't want the neighborhood's leaders to anoint themselves gatekeepers, choosing who does and doesn't belong. And they worried that if someone's car was broken into, but no one knew exactly when, the system could lead to hundreds of drivers, virtually all of them innocent, coming under suspicion for the crime. They also worried about the consequences of the cameras getting it wrong. In San Francisco, police had handcuffed a woman at gunpoint in 2009 after a camera garbled her plate number; another family was similarly detained last year because a thief had swiped their tag before committing a crime. And last year in Aurora, 30 miles from Paradise Hills, police handcuffed a mother and her children at gunpoint after a license plate reader flagged their SUV as stolen. The actual stolen vehicle, a motorcycle, had the same plate number from another state. Police officials have said racial profiling did not play a role, though the drivers in all three cases were Black. (The license plate readers in these cases were not Flock devices, and the company said its systems would have shown more accurate results...)

The Paradise Hills opponents were right to be skeptical about a local crime wave. According to Jefferson County sheriff's records shared with The Post, the only crime reports written up since September 2020 included two damaged mailboxes, a fraudulent unemployment claim and some stuff stolen out of three parked cars, two of which had been left unlocked. "I wouldn't exactly say it's a hot spot," patrol commander Dan Aten told The Post...

The cameras clicked on in August, a board member said. In the weeks since, the neighborhood hasn't seen any reports of crime. The local sheriff's office said it hasn't used the Flock data to crack any cases, nor has it found the need to ask.
Flock's founder, Garrett Langley, nonetheless tells the Washington Post, "There are 17,000 cities in America.

"Until we have them all, we're not done."

Thousands of scientific studies had to toss out weeks of data because of a 56-second TikTok video by a teenager. From a report: The July 23rd video is short and simple. It opens with recent Florida high school graduate and self-described "teen author" Sarah Frank sitting in her bedroom and smiling at the camera. "Welcome to side hustles I recommend trying -- part one," she says in the video, pointing users to the website Prolific.co. "Basically, it's a bunch of surveys for different amounts of money and different amounts of time." That video got 4.1 million views in the month after it was posted and sent tens of thousands of new users flooding to the Prolific platform. Prolific, a tool for scientists conducting behavioral research, had no screening tools in place to make sure that it delivered representative population samples to each study. Suddenly, scientists used to getting a wide mix of subjects for their Prolific studies saw their surveys flooded with responses from young women around Frank's age.

Though not particularly well known, Prolific is part of a small collection of online tools that have transformed the way corporations and scientists study the way people think and act. The first and largest of these research platforms is Amazon-owned Mechanical Turk, which was released in 2005 as a general-purpose platform for crowdsourcing work on repetitive tasks. Soon after it was released, behavioral scientists realized its potential value for their research, and it quickly revolutionized several research fields. [...] The Behavioral Lab at Stanford mainly uses the newer, smaller Prolific platform for online studies these days, said Nicholas Hall, director of the Behavioral Lab at the Stanford School of Business. While many Mechanical Turk customers are big businesses conducting corporate research, Prolific gears its product to scientists.

The smaller platform offers more transparency, promises to treat survey participants more ethically, and promises higher-quality research subjects than alternative platforms like Mechanical Turk. Scientists doing this sort of research in the United States generally want a pool of subjects who speak English as a first language, are not too practiced at taking psychological surveys, and together make up a reasonably representative demographic sample of the American population. Prolific, most agreed, did a good job providing high-quality subjects. The sudden change in the platform's demographics threatened to upend that reputation. In the days and weeks after Frank posted her video, researchers scrambled to figure out what was happening to their studies. A member of the Stanford Behavioral Laboratory posted on a Prolific forum, "we have noticed a huge leap in the number of participants on the platform in the US Pool, from 40k to 80k. Which is great, however, now a lot of our studies have a gender skew where maybe 85% of participants are women. Plus the age has been averaging around 21."

Eric Niiler writes via Wired: The landscape of Titan, Saturn's largest moon, is both familiar and strange. Like Earth, Titan has rivers, lakes, clouds, and falling raindrops, as well as mountains of ice and a thick atmosphere. But instead of water, Titan's chemical cycle is composed of liquid methane, an organic molecule made from one carbon and four hydrogen atoms. Researchers believe this swirling mixture of methane, combined with the moon's nitrogen-laden atmosphere, surface water ice, and maybe some energy from either a volcano or a meteor impact, might have been the perfect recipe to create some kind of simple life form. [...] Now, A researcher has recreated Titan's environment in a small glass cylinder and mixed organic chemicals under the same temperature and pressure conditions found on that moon. Organic molecules that are liquid on Earth -- such as methane and benzene -- become solid icy mineral crystals on Titan because it's so cold, sometimes down to -290 Fahrenheit, according to Tomce Runcevski, an assistant professor of chemistry at Southern Methodist University, and the principal investigator on a study presented this week at the American Chemical Society meeting.

In a series of experiments, Runcevski took tiny glass tubes, sucked the air out of them with a pump, and added water ice. Then, one at a time, he added nitrogen, methane, its chemical relative ethane, and other organic compounds. Each time, he varied the composition of the chemical mixture inside the glass cylinders to see what would happen. He next applied pressure -- equivalent to about 1.45 times Earth's atmosphere -- and reduced the temperature by surrounding the vials with extremely cold air. [...] Under that moon's atmospheric pressure and temperature, he found that two organic molecules abundant on Titan and toxic to humans here on Earth -- acetonitrile and propionitrile -- become a single crystalline form. On Titan, these two molecules are formed by the combination of nitrogen and methane, plus energy from the sun, Saturn's magnetic field, and cosmic rays. Acetonitrile and propionitrile start as a gas in the atmosphere, then condense into aerosols, and then rain down onto the moon's surface and become chunks of solid minerals in several forms.

It's the first time that these two chemicals have been combined into a crystal shape on Earth under the conditions present on Titan. Another important finding is that the outer facet of the crystal also has a slight electric charge, or polarity, on its surface. That surface charge can attract other molecules such as water -- which would be necessary to form the building blocks of carbon-based life. This new experiment doesn't prove that there's life on Titan, but it means that researchers can discover new things about its weird, frigid surface environment even before the NASA Dragonfly spacecraft lands there.

Earlier this month Time magazine reported on what it calls "the underside of an economy dominated by big tech companies." Few big tech companies that are building and hiring across America bring that wealth with them when they set up in new communities. Instead, they hire armies of low-paid contractors, many of whom are not guaranteed a job from one month to the next; some of the contracting companies have a history of alleged mistreatment of workers. Nor do local governments share in the companies' wealth; instead, the tech giants negotiate deals — the details protected by non-disclosure agreements — that exempt them from paying taxes that would fund schools, roads and fire departments....

Globally, by the end of 2020, there were nearly 600 "hyperscale" data centers, where a single company runs thousands of servers and rents out cloud space to customers. That's more than double the number from 2015. Amazon, Google and Microsoft account for more than half of those hyperscale centers, making data centers one more field dominated by America's richest and biggest companies... Google in March said it was "investing in America" with a plan to spend $7 billion across 19 states to build more data centers and offices. Microsoft said in April that it plans to build 50 to 100 data centers each year for the foreseeable future. Amazon recently got approval to build 1.75 million square feet of data-center space in Northern Virginia, beyond the 50 data centers it already operates there. Facebook said this year it would spend billions to expand data centers in Iowa, Georgia and Utah; in March it said it was adding an 11th building to its largest data-center facility in rural Prineville, Oregon...

Facebook has spent more than $2 billion expanding its operations in Prineville, but because of the tax incentives it negotiated with local officials, the company paid a total of just $119,403.42 in taxes to Crook County last year, according to the County Assessor's list of top taxpayers. That's less than half the taxes paid by Brasada Ranch, a local resort. And according to the Oregon Bureau of Labor and Industries, the data center has been the subject of numerous labor complaints... "I've spent way too much of my life watching city councils say, 'We need a big tech company to show that we're future-focused,'" says Sebastian Moss, the editor of Data Center Dynamics, which tracks the industry. Towns will give away tax breaks worth hundreds of millions of dollars, his reporting has found, and then express gratitude toward tech companies that have donated a few thousand computers — worth a fraction of the tax breaks — to their cash-strapped school systems. "I sometimes wonder if they're preying on desperation, going to places that are struggling."

Communities give up more than tax breaks when they welcome tech companies. Data centers use huge amounts of water to cool computer equipment, yet they're being built in the drought-stricken American West.
The article cites Bureau of Labor Statistics showing that 373,300 Americans were working in data processing, hosting, and related services in June — up 52% from 10 years ago.

"If you're homeless and looking for temporary shelter in Hawaii's capital, expect a visit from a robotic police dog that will scan your eye to make sure you don't have a fever," reports the Associated Press: That's just one of the ways public safety agencies are starting to use Spot, the best-known of a new commercial category of robots that trot around with animal-like agility. The handful of police officials experimenting with the four-legged machines say they're just another tool, like existing drones and simple wheeled robots, to keep emergency responders out of harm's way as they scout for dangers. But privacy watchdogs â" the human kind â" warn that police are secretly rushing to buy the robots without setting safeguards against aggressive, invasive or dehumanizing uses.

In Honolulu, the police department spent about $150,000 in federal pandemic relief money to buy their Spot from robotics firm Boston Dynamics for use at a government-run tent city near the airport. "Because these people are houseless it's considered OK to do that," said Jongwook Kim, legal director at the American Civil Liberties Union of Hawaii. "At some point it will come out again for some different use after the pandemic is over." Acting Lt. Joseph O'Neal of the Honolulu Police Department's community outreach unit defended the robot's use in a media demonstration earlier this year. He said it has protected officers, shelter staff and residents by scanning body temperatures between meal times at a shelter where homeless people could quarantine and get tested for COVID-19. The robot is also used to remotely interview individuals who have tested positive.

"We have not had a single person out there that said, 'That's scary, that's worrisome,'" O'Neal said. "We don't just walk around and arbitrarily scan people."

In April of 2020, Jeff Bezos announced Amazon would spend their next quarter focusing on people instead of profits, remembers the New York Times: At the end of July 2020, Amazon announced quarterly results. Rather than earning zero, as Mr. Bezos had predicted, it notched an operating profit of $5.8 billion — a record for the company. The months since have established new records. Amazon's margins, which measure the profit on every dollar of sales, are the highest in the history of the company, which is based in Seattle... Amazon's pandemic triumph was echoed all over the world of technology companies.

Even as 609,000 Americans have died and the Delta variant surges, as corporate bankruptcies hit a peak for the decade, as restaurants, airlines, gyms, conferences, museums, department stores, hotels, movie theaters and amusement parks shut down and as millions of workers found themselves unemployed, the tech industry flourished. The combined stock market valuation of Apple, Alphabet, Nvidia, Tesla, Microsoft, Amazon and Facebook increased by about 70 percent to more than $10 trillion. That is roughly the size of the entire U.S. stock market in 2002. Apple alone has enough cash in its coffers to give $600 to every person in the United States. And in the next week, the big tech companies are expected to report earnings that will eclipse all previous windfalls.

Silicon Valley, still the world headquarters for tech start-ups, has never seen so much loot. More Valley companies went public in 2020 than in 2019, and they raised twice as much money when they did. Forbes calculates there are now 365 billionaires whose fortunes derive from tech, up from 241 before the virus.

No single industry has ever had such power over American life, dominating how we communicate, shop, learn about the world and seek distraction and joy. What will Silicon Valley do with this power? Who if anyone might restrain tech, and how much support will they have...? The biggest, and perhaps the only, threat to tech now is from government...

Beyond the threat of misuse of tech lurks an even darker possibility: a misplaced confidence in the ability of one loosely regulated sector to run so much of the world.

"Thousands of disabled and elderly people in more than a dozen states have had to fight against decisions made by an algorithm to get the support services they need to remain in their homes instead of being institutionalized," reports the U.S. edition of the Guardian: The cuts have hit low-income seniors and people with disabilities in Pennsylvania, Iowa, New York, Maryland, New Jersey, Arkansas and other states, after algorithms became the arbiters of how their home health care was allocated — replacing judgments that used to be primarily made by nurses and social workers.

In Washington D.C., "on the worst end, we've had clients who actually died, because their services were cut and they were not receiving the care that they needed" Tina Smith Nelson, supervising attorney with AARP Legal Counsel for the Elderly, said about the effects of a new algorithmic system introduced in 2018. Over 300 seniors have had to file administrative appeals after their home care was cut by a new algorithmic system. "I think as a society we move into unsettling territory when we rely solely upon algorithms and data to make determinations about health care needs," Nelson said. "We reduce a person's humanity to a number...."

The situation is reflective of a reality increasingly affecting all users of American healthcare: algorithms — ranging from crude if-then charts to sophisticated artificial intelligence systems — are being deployed to make all sorts of decisions about who gets care. Government officials have touted algorithmic decision-making systems as a way to make sure that benefits are allocated even-handedly, eliminate human bias and root out fraud. But advocates say having computer programs decide how much help vulnerable people can get is often arbitrary — and in some cases downright cruel. The underlying problem, experts say, is that neither states nor the federal government provide enough funding to allow people needing health assistance to remain safely in their homes — even though these programs usually end up being much less costly than putting people in institutions. The algorithms resort to divvying up what crumbs are available...

Kevin De Liban, an attorney with Legal Aid of Arkansas, began fighting the cuts after severely disabled patients started calling "en masse" in 2016.... De Liban's legal team revealed flaws with the algorithm in court. It turned out, De Liban said, that the calculations had failed to factor in things like whether a patient had cerebral palsy or diabetes. A single point in the scoring system — for instance a point added because the patient had had a fever in the last three days or had open pressure sores — could make a huge difference in how many hours they received for the entire year... "As the algorithm worked, it was, to our eyes, pretty wildly irrational," said De Liban...

After years of court battles, Arkansas' use of the algorithmic system was finally thrown out in 2018... But across the nation, the battle continues. In Washington D.C., Pennsylvania and Iowa, legal services attorneys are plagued with calls from seniors complaining they have lost their care because of the algorithms recently adopted in those states.
The Guardian ultimately tracked down the designer of the algorithm, University of Michigan Professor Emeritus Brant Fries, who acknowledged that the system isn't even designed to calculate how many hours of care people actually need, but to try to allocate whatever scarce resources are available in the most equitable way.

"We're not saying that the size of the pie is correct... But whatever the money is there, I'm dividing it more equally!"

U.S. Senate Finance Committee Chairman Ron Wyden said last week "he is revisiting proposed legislation that would crack down on the giant tax-free retirement accounts amassed by the ultrawealthy," reports ProPublica, "after a ProPublica story exposed that billionaires were shielding fortunes inside them."

Earlier ProPublica had reported that PayPal founder Peter Thiel turned his retirement account "into a $5 billion tax-free piggy bank." Wyden said ProPublica's stories have shifted the debate about taxes at the grassroots level, underscoring a "double standard" that would have a nurse in Medford, Oregon, dutifully paying taxes "with every single paycheck" while the wealthiest Americans "just defer, defer, defer paying their taxes almost until perpetuity..."

Wyden's proposal also targeted the stuffing of undervalued assets into Roths, which congressional investigators had flagged as the foundation of many large accounts. Under the Wyden draft bill, purchasing an asset for less than fair market value would strip the tax benefits from the entire IRA. ProPublica's investigation showed that Thiel purchased founder's shares of the company that would become PayPal at $0.001 per share in 1999. At that price, he was able to buy 1.7 million shares and still fall below the $2,000 maximum contribution limit Congress had set at the time for Roth IRAs. PayPal later disclosed in an SEC filing that those shares, and others issued that year, were sold at "below fair value...." Daniel Hemel, a tax law professor at the University of Chicago who has been researching large Roths, said that Congress should simply prohibit IRAs from purchasing assets that are not bought and sold on the public market...

He added that lawmakers should go beyond reforms targeting the accounts directly and address a potential estate tax dodge related to Roths. If the holder of a large Roth dies, the retirement account is considered part of the taxable estate, and a significant tax is due. But, Hemel said, there's nothing to stop an American who has amassed a giant Roth from renouncing their citizenship and moving abroad to a country with no estate taxes. It's rare, but not unheard of, for the ultrawealthy to renounce their U.S. citizenship to avoid taxes. Under federal law, U.S. citizens who renounce their citizenship are taxed that day on assets that have risen in value but are not yet sold. But there's an exception for certain kinds of assets, Hemel said, including Roth retirement accounts.

Thiel acquired citizenship in New Zealand in 2011. Unlike the United States, New Zealand has no estate tax. It's not clear whether estate taxes figured into Thiel's decision... Patching the hole in the expatriation law, Hemel said, "should be a top policy priority because we're talking about, with Thiel alone, billions of dollars of taxes."
Wyden's proposed legislation to regulate Roth IRA accounts was excoriated in at least one 2016 editorial that complained everything in it was "opposed to capitalism and economic freedom."

Westland Real Estate Group patrols its 1,000-unit apartment complex in Las Vegas with "a conical, bulky, artificial intelligence-powered robot" standing just over 5 feet tall, according to NBC News. Manufactured by Knightscope, the robot is equipped with four internal cameras capturing a constant 360-degree view, and can also scan and record license plates (as well as the MAC addresses of cellphones). But is it doing any good? As more government agencies and private sector companies resort to robots to help fight crime, the verdict is out about how effective they are in actually reducing it. Knightscope, which experts say is the dominant player in this market, has cited little public evidence that its robots have reduced crime as the company deploys them everywhere from a Georgia shopping mall to an Arizona development to a Nevada casino. Knightscope's clients also don't know how much these security robots help. "Are we seeing dramatic changes since we deployed the robot in January?" Dena Lerner, the Westland spokesperson said. "No. But I do believe it is a great tool to keep a community as large as this, to keep it safer, to keep it controlled."

For its part, Knightscope maintains on its website that the robots "predict and prevent crime," without much evidence that they do so. Experts say this is a bold claim. "It would be difficult to introduce a single thing and it causes crime to go down," said Ryan Calo, a law professor at the University of Washington, comparing the Knightscope robots to a "roving scarecrow." Additionally, the company does not provide specific, detailed examples of crimes that have been thwarted due to the robots.
The robots are expensive — they're rented out at about $70,000-$80,000 a year — but growth has stalled for the two years since 2018, and over four years Knightscope's total clients actually dropped from 30 to just 23. (Expenses have now risen — partly because the company is now doubling its marketing budget.)

There's also a thermal scanning feature, but Andrew Ferguson, a law professor at American University, still called these robots an "expensive version of security theater." And NBC News adds that KnightScope's been involved "in both tragic and comical episodes." In 2016, a K5 roaming around Stanford Shopping Center in Palo Alto, California, hit a 16-month-old toddler, bruising his leg and running over his foot. The company apologized, calling it a "freakish accident," and invited the family to visit the company's nearby headquarters in Mountain View, which the family declined. The following year, another K5 robot slipped on steps adjacent to a fountain at the Washington Harbour development in Washington, D.C., falling into the water. In October 2019, a Huntington Park woman, Cogo Guebara, told NBC News that she tried reporting a fistfight by pressing an emergency alert button on the HP RoboCop itself, but to no avail. She learned later the emergency button was not yet connected to the police department itself... [The northern California city] Hayward dispatched its robot in a city parking garage in 2018. The following year, a man attacked and knocked over the robot. Despite having clear video and photographic evidence of the alleged crime, no one was arrested, according to Adam Kostrzak, the city's chief information officer.
The city didn't renew its contract "due to the financial impact of Covid-19 in early 2020," the city's CIO tells NBC News. But the city had already spent over $137,000 on the robot over two years.

An anonymous reader quotes a report from Scientific American: Few harbingers of old age are clearer than the sight of gray hair. As we grow older, black, brown, blonde or red strands lose their youthful hue. Although this may seem like a permanent change, new research reveals that the graying process can be undone -- at least temporarily. In a study published today in eLife, a group of researchers provide the most robust evidence of this phenomenon to date in hair from around a dozen people of various ages, ethnicities and sexes. It also aligns patterns of graying and reversal to periods of stress, which implies that this aging-related process is closely associated with our psychological well-being.

The researchers [...] developed a technique to digitize and quantify the subtle changes in color, which they dubbed hair pigmentation patterns, along each strand. These patterns revealed something surprising: In 10 of [the 14 participants], who were between age nine and 39, some graying hairs regained color. The team also found that this occurred not just on the head but in other bodily regions as well. "When we saw this in pubic hair, we thought, 'Okay, this is real,'" [Martin Picard, a mitochondrial psychobiologist at Columbia University] says. "This happens not just in one person or on the head but across the whole body." He adds that because the reversibility only appeared in some hair follicles, however, it is likely limited to specific periods when changes are still able to occur. Most people start noticing their first gray hairs in their 30s -- although some may find them in their late 20s. This period, when graying has just begun, is probably when the process is most reversible, according to [study co-author Ralf Paus, a dermatologist at the University of Miami]. In those with a full head of gray hair, most of the strands have presumably reached a "point of no return," but the possibility remains that some hair follicles may still be malleable to change, he says.

In a small subset of participants, the researchers pinpointed segments in single hairs where color changes occurred in the pigmentation patterns. Then they calculated the times when the change happened using the known average growth rate of human hair: approximately one centimeter per month. These participants also provided a history of the most stressful events they had experienced over the course of a year. This analysis revealed that the times when graying or reversal occurred corresponded to periods of significant stress or relaxation. In one individual, a 35-year-old man with auburn hair, five strands of hair underwent graying reversal during the same time span, which coincided with a two-week vacation. Another subject, a 30-year-old woman with black hair, had one strand that contained a white segment that corresponded to two months during which she underwent marital separation and relocation -- her highest-stress period in the year.

The U.S. and European Union plan to cooperate more on technology regulation, industrial development and bilateral trade following President Biden's visit, in a bid to help Western allies better compete with China and Russia on developing and protecting critical and emerging technologies. From a report: Central to the increased coordination will be a new high-level Trade and Technology Council the two sides unveiled Tuesday. The aim of the TTC is to boost innovation and investment within and between the two allied economies, strengthen supply chains and avert unnecessary obstacles to trade, among other tasks. "You see the possibility for alignment," said European Commission Executive Vice President Margrethe Vestager in an interview.

In a sign of both sides' aspirations for the council, it will be co-chaired on the U.S. side by Secretary of State Antony Blinken, Commerce Secretary Gina Raimondo and U.S. Trade Representative Katherine Tai. The EU side will be co-chaired the Ms. Vestager, the bloc's top competition and digital-policy official, and fellow Executive Vice President Valdis Dombrovskis, who handles trade. As the EU's top antitrust enforcer, Ms. Vestager has gained prominence for her cases against U.S. tech giants including Apple, Google parent Alphabet and Facebook. Former presidents Barack Obama and Donald Trump both said her policies unfairly targeted American companies. Ms. Vestager has said her work doesn't single out any nationality. The TTC, which is slated to hold its first meeting in the fall and oversee many working groups, will allow the EU and U.S. to focus on cooperation, she said. Both sides stressed they would maintain regulatory autonomy within their respective legal systems.

Sales of plexiglass tripled to roughly $750 million in the U.S. after the pandemic hit, as offices, schools, restaurants and retail stores sought protection from the droplets that health authorities suspected were spreading the coronavirus. There was just one hitch. Not a single study has shown that the clear plastic barriers actually control the virus, said Joseph Allen of the Harvard T.H. Chan School of Public Health. From a report: "We spent a lot of time and money focused on hygiene theater," said Allen, an indoor-air researcher. "The danger is that we didn't deploy the resources to address the real threat, which was airborne transmission -- both real dollars, but also time and attention. The tide has turned," he said. "The problem is, it took a year." For the first months of Covid-19, top health authorities pointed to larger droplets as the key transmission culprits, despite a chorus of protests from researchers like Allen. Tinier floating droplets can also spread the virus, they warned, meaning plastic shields can't stop them. Not until last month did the World Health Organization and U.S. Centers for Disease Control and Prevention fully affirm airborne transmission. That meant plastic shielding had created "a false sense of security," said building scientist Marwa Zaatari, a pandemic task force member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers.

Back in January, researchers warned that the iPhone 12 lineup and MagSafe accessories could potentially deactivate implanted medical devices. Now, the American Heart Association has released a study that corroborates these findings on a larger scale, noting that several devices from three major companies were "found to have magnetic susceptibility." Gizmodo reports: The initial study published in HeartRhythm was done on a single patient with a Medtronic implantable cardioverter-defibrillator (ICD). It was an important finding in terms of awareness, but raised questions as to whether this would impact ICDs from all device makers if the iPhone 12 lineup posed a greater risk than other magnetized devices, and what the impact on pacemakers might be. The AHA's study offers a few preliminary insights into what those answers might be. In the study, researchers observed the impact of an iPhone 12 Pro Max on both ICDs and pacemakers from multiple device makers, as well as conducted both in vivo and ex vivo tests. In vivo refers to tests done on actual patients with an implanted medical device, while the ex vivo tests were done on 11 unboxed devices. The devices tested came from Medtronic, Abbot, and Boston Scientific. (You can see exactly which ICDs and pacemakers were tested in the study itself.)

In 100% of the three in vivo tests, the iPhone 12 Pro Max triggered the devices' magnet reversion mode. That said, the Boston Scientific pacemaker was found to be less susceptible as it only triggered a temporary response. In ex vivo testing, magnetic interference was detected in 8 out of 11 devices, or 72.7%. There are a few things to note here. How seriously a device is impacted may depend on the sensors or components used. The study notes that magnetic interference can occur when medical devices are exposed to magnetic fields as little as 10G. According to the researchers, the iPhone 12 Pro Max has a magnetic field strength of over 50G. However, the ex vivo devices tested didn't respond uniformly. Some were only temporarily disrupted, others had sustained asynchronous pacing, and three weren't impacted at all. The researchers suggest that in the case of a Boston Scientific Accolade MRI pacemaker, the device may not have been affected because it requires a magnet stronger than 70G. After the HeartRhythm study was published, Apple issued additional guidance urging consumers with implanted medical devices to keep iPhone 12 devices more than 6 inches away, or more than 12 inches if wirelessly charging. It also recommended those people consult with both their physician and device manufacturer.

sciencehabit writes: Death Valley holds the record for the highest air temperature on the planet: On July 10, 1913, temperatures at the aptly named Furnace Creek area in the California desert reached a blistering 56.7C (134.1F). Average summer temperatures, meanwhile, often rise above 45C (113F). But when it comes to surface temperature, two spots have Death Valley beat. A new analysis of high-resolution satellite data finds the Lut Desert in Iran and the Sonoran Desert along the Mexican-U.S. border have recently reached a sizzling 80.8C (177.4F). The study uncovered other superlatives. The maximum temperature swing in a single day was 81.8C (147.3F), from -23.7C (-10.7F) to 58.1C (136.6F) on July 20, 2006 in China's Qaidam Basin, a crescent-shaped depression hemmed in by mountains on the Tibetan Plateau. And the coldest spot on our planet? No big surprise: Antarctica. But a satellite reading of 0110.9C (-167.6F) in 2016 is more than 20 degrees chillier than the coldest air temperature recorded in 1983. The findings have been reported in the Bulletin of the American Meteorological Society.

An anonymous reader shared this report from Live Science: A U.S. Air Force base in Texas has taken the first steps to guard against an electromagnetic pulse (EMP) attack. But what, exactly, is an EMP, and how big is the threat...? An EMP is a massive burst of electromagnetic energy that can occur naturally or be generated deliberately using nuclear weapons. While many experts don't think EMPs pose a big threat, some people argue that these types of weapons could be used to cause widespread disruption to electricity-dependent societies.

"You can use a single weapon to collapse the entire North American power grid," said defense analyst Peter Pry, who served on the Congressional EMP Commission, which was set up to assess the threat of EMP attacks but shut down in 2017. "Once the electric grid goes down, everything would collapse," Pry told Live Science. "Everything depends on electricity: telecommunications, transportation, even water.... We've arrived at a place where a single individual can topple the technological pillars of civilization for a major metropolitan area all by himself armed with some device like this," he said...

The threat posed by EMPs is far from settled, though. A 2019 report by the Electric Power Research Institute, which is funded by utility companies, found that such an attack would probably cause regional blackouts but not a nationwide grid failure and that recovery times would be similar to those of other large-scale outages... "There are other ways that adversaries can achieve some of the same outcomes, some of which would be cheaper and some of which would be less discernible," Frank Cilluffo, director of Auburn University's McCrary Institute for Cyber and Critical Infrastructure Security, told Live Science. Such alternatives might include cyberattacks to take out critical infrastructure, including the electric grid, or even efforts to disrupt space-based communications or the GPS system that modern society is so reliant on.

Work to protect against EMPs makes sense... but these upgrades shouldn't distract from efforts to shore up defenses against more probable lines of attack, Cilluffo said.

James Gilboy, writing at The Drive: Over the week spanning Jan. 4-10, 1998, a trio of massive ice storms wracked the northeastern United States and parts of Canada. Knocking over transmission towers, the storms deprived up to 1.35 million people of electricity, in some cases for weeks (sound familiar?). Rather than leave town, though, one Canadian mayor stepped up to bring in the biggest mobile power generators they could get their hands on: Diesel-electric freight train locomotives. This unusual solution to a power problem unfolded in Boucherville, a Montreal suburb just northeast of famed Formula 1 racetrack Circuit Gilles Villeneuve. Having reportedly heard of locomotives being used to generate electricity during another emergency years prior, Boucherville's Mayor Francine Gadbois asked the Canadian National Railway to lend the city a couple of units. CN obliged, sending over two Montreal Locomotive Works M-420s per the 1998 issue of Trains, as recounted by members of its forum.

Both locomotives were powered by Alco 251C prime movers; 131.4-liter, single-turbo diesel V12s making some 1,950 horsepower according to the Museum of Applied Arts and Sciences. Rather than power the wheels through hydraulic or mechanical transmissions, these massive motors turned traction generators that could send juice to motors connected to the wheels. In a pinch, however, that power can be routed outside the locomotive for whatever purpose one desires, like keeping municipal buildings operating in times of crisis. And that's exactly what these locomotives did for Boucherville. According to yet another account from a train forum, officials craned M-240 number 3502 off the line down the street from city hall before moving it some 1,000 feet down the street, carving deep ruts in the asphalt. Once at its destination and hooked in, its V12 had to be run at a specific, constant rpm' to generate AC current at 60 hertz, the frequency used by most North American utilities.