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China

China's Noisy 'Dancing Grannies' Silenced By Device That Disables Speakers (theguardian.com) 22

An anonymous reader quotes a report from The Guardian: Across China's public parks and squares, in the early hours of the morning or late in the afternoon, the grannies gather. The gangs, made up mostly of middle-aged and older women who went through the Cultural Revolution, take to a corner of a local park or sporting ground and dance in unison to Chinese music. Loud music. The tradition has led to alarming standoffs, with the blaring music frequently blamed for disturbing the peace in often high-density residential areas. But many are too scared to confront the women. The dilemma of the dancing grannies has prompted some to seek out tech solutions. One went viral online this week: a remote stun gun-style device that claims to be able to disable a speaker from 50 meters away.

Reviews of the item were positive. "Downstairs is finally quiet. For two days the grannies thought their speaker is not working!", said one on Taobao, China's version of eBay. "Great invention, with this tool I will be the boss in the neighborhood now," said another. "This is not just a regular product, it is social justice!" China is home to an estimated 100 million dancing grannies. Square dancing allows older women, many of whom live alone or with younger family members who they accompanied on a move to the cities, to socialize. They form strong bonds, often shopping or doing other activities, including group investments, together, the South China Morning Post reported.

State media has described the square dancing, which has its roots in the Cultural Revolution of the 1960s, as a "positive and effective way to reduce the medical and financial burden as well as increase the life quality of older people." "Many participants are retired, their children are no longer around. Square dancing becomes a place for them to have a social life." But neighbors complain it has gotten out of control, with competing groups blasting their music over each other in small areas, and bullying those who try to intervene. Viral videos and reports have shown the groups arguing and fighting with basketball players to take over their court, or, in one case, breaking into a football field and stopping the game to dance in the space, prompting a police response and arrests.

Power

Is Nuclear Energy Green Energy? 10 EU Countries Call On Brussels To Add It To the List (euronews.com) 66

"A group of ten EU countries, led by France, have asked the European Commission to recognize nuclear power as a low-carbon energy source that should be part of the bloc's decades-long transition towards climate neutrality," reports EuroNews. While greenhouse gas emissions from nuclear plants are "comparable" to those released by hydropower and wind, critics argue that the resulting radioactive waste is harmful to human health and the environment. "Despite the urgency to combat climate change, member states are still unable to reach a consensus on whether nuclear constitutes a green or dirty energy source," adds EuroNews. From the report: Tapping into Europe's ongoing energy crunch, the countries make the case for nuclear energy as a "key affordable, stable and independent energy source" that could protect EU consumers from being "exposed to the volatility of prices." The letter, which was initiated by France, has been sent to the Commission with the signature of nine other EU countries, most of which already count nuclear as part of their national energy mix: Bulgaria, Croatia, Czech Republic, Finland, Hungary, Poland, Slovakia, Slovenia and Romania. Nuclear plants generate over 26% of the electricity produced in the European Union.
[...]
Despite the urgency to combat climate change, member states are still unable to reach a consensus on whether nuclear constitutes a green or dirty energy source. The Commission has postponed the crucial decision to let countries conclude the debate. On the one side, Germany, which plans to shut down all its reactors by 2022, is leading the anti-nuclear cause, together with Austria, Denmark, Luxembourg and Spain. "We are concerned that including nuclear power in the taxonomy would permanently damage its integrity, credibility and therefore its usefulness," they wrote in July.

On the other side, France, which obtains over 70% of its electricity from nuclear stations, is fighting to label nuclear as sustainable under the taxonomy. As shown by the new letter, Paris has the backing of several Eastern states, which have already earmarked millions for nuclear projects. "While renewable energy sources play a key role for our energy transition, they cannot produce enough low-carbon electricity to meet our needs, at a sufficient and a constant level," the letter says, describing nuclear power as a "safe and innovative" sector with the potential of sustaining one million high-qualified jobs "in the near future".

A report (PDF) from the Commission's research unit released earlier this year indicates Brussels could eventually side with the pro-nuclear team. The paper says greenhouse gas emissions from nuclear plants are "comparable" to those released by hydropower and wind, an assessment shared by the International Energy Agency (IEA) and the United States Department of Energy. Critics, however, argue the resulting radioactive waste is harmful to human health and the environment. "Nuclear power is incredibly expensive, hazardous and slow to build," says Greenpeace. Detractors are concerned about potentially disastrous nuclear accidents, similar to those of Chernobyl in 1986 or Fukushima in 2011, which are still deeply rooted in the collective imagination.

Google

Google's Fuchsia Is Expanding To 'Additional Smart Devices and Other Form Factors' (9to5google.com) 17

According to new job listings, Google is looking to expand the Fuchsia operating system from its current home on the Nest Hub to âoeadditional smart devices and other form factors." 9to5Google reports: The first listing, for "Staff Software Engineer, Fuchsia Devices," celebrates Fuchsia's recent milestone and points clearly to Google wanting Fuchsia to run on more "real world products" than just smart displays: "In 2021 we shipped Fuchsia to millions of Google smart displays, now it's time to expand to additional smart devices and other form factors. Come join us and work on the next-generation Google operating system! Although the first uses of Fuchsia are smart displays, we are working on expanding to additional form factors and use cases. The Fuchsia Devices team is responsible for making sure we can successfully apply the Fuchsia platform to real world products that make a difference to Google and our users."

So what types of devices should we expect Fuchsia to come to next? Well for one, we may look at the plural phrasing of "first uses of Fuchsia are smart displays," which suggests the Nest Hub Max and Nest Hub (2nd Gen) may be getting their chance to switch to Fuchsia soon. Of course, Google has made it abundantly clear here that smart displays are just the beginning. In another listing, for "Engineering Manager, Fuchsia Devices," the company explains that the Fuchsia Devices team is aiming to "[expand] the reach of Nest/Assistant to new form factors" through "real consumer devices." [From the listing:] "The Fuchsia Devices Smart Products team is part of the larger Fuchsia organization and is responsible for productionizing various types of Fuchsia Devices. Our team delivers real consumer devices to end users and enables you to have a large impact at Google by expanding the reach of Nest/Assistant to new form factors."

This could suggest entirely new device categories for Google's Nest lineup, powered by Fuchsia. In another section, we get some hints at what those proposed devices would be capable of: "Chromecast, Video Conferencing and Machine Learning are core parts of many of the upcoming smart products." It's important to note that "Chromecast" here is probably not referring to the lineup of Chromecast hardware for TVs switching to Fuchsia. Instead, it's more likely referring to how Google's speakers and displays can receive a "Cast" from your phone. This is somewhat clarified in the job listing's responsibilities section, which lists a handful of features that squarely line up with features of the camera-equipped Nest Hub Max, including "Face Match." The Nest Hub Max's store listing also references "Chromecast built-in" as a feature: "Plan, scope, and execute of features like Video Casting, Actions on Google, Video Calling, Face Match, and on device ML."

It also looks like Made by Google devices may soon not be the only ones shipping with Fuchsia. According to another listing, Google is looking for someone on Fuchsia's "platform graphics and media" team to, among other things, "influence hardware decisions made by partners." [From the listing:] "As a Staff Software Engineer on the Fuchsia team, you'll drive the technical direction for Graphics and Media and ensure that Fuchsia is bringing maximum value to partners and Fuchsia-based products. You also will influence hardware decisions made by partners to improve Fuchsia and Google's ability to deliver efficient software solutions for critical Graphics and Media workloads."
Fuchsia debuted on the first-generation Nest Hub earlier this year.
Transportation

Germany Unveils First Self-Driving Train (techxplore.com) 14

German rail operator Deutsche Bahn and industrial group Siemens on Monday unveiled the world's first automated, driverless train in the city of Hamburg, billing it as more punctual and energy efficient than traditional trains. TechExplore reports: Four such trains will join the northern city's S-Bahn rapid urban rail network and start carrying passengers from December, using the existing rail infrastructure. Other cities like Paris have driverless metros while airports often have automated monorail trains plying terminals, but those run on exclusive single tracks while the Hamburg train will be sharing tracks with other regular trains. The project, which Siemens and Deutsche Bahn called a "world first," is part of a 60 million euro ($70 million) modernization of Hamburg's rapid urban rail system. Although the train is controlled through digital technology and fully automated, a driver will still be present to supervise journeys whenever there are passengers on board, the companies said in a statement.
The Almighty Buck

Credit-Card Firms Are Becoming Reluctant Regulators of the Web (economist.com) 44

An anonymous reader quotes a report from The Economist: Who should police the internet? For some time now the question has tied companies, regulators and campaigners in knots. Social networks spend billions moderating content posted on their platforms, but are still criticized either for not removing enough toxic material or for stifling free speech. They are not the only ones to grapple with the problem. Banks and credit-card companies too are finding themselves playing a bigger role in what is said and done in the public square -- to their, and their customers', discomfort. Now the boundary of censorship is being extended further, into the pornography business. From October 15th adult websites worldwide will have to verify the age and identity of anyone featured in a picture or video, as well as the ID of the person uploading it. They will need to operate a fast complaints process, and will have to review all content before publication. These requirements are being imposed not by regulators but by Mastercard, a credit-card giant. Websites can always choose not to work with Mastercard. But given that the company handles about 30% of all card payments made outside China, to do so would be costly. Visa, which manages a further 60% of payments, is also taking a firmer line on adult sites. And the trend goes beyond porn. In the shadier corners of the web, and in industries where the law is unclear or out of date, financial firms are finding themselves acting as de facto regulators.
[...]
Visa and Mastercard's near-duopoly on card payments makes their decisions more powerful -- and the firms prime targets for protesters. In 2019 SumOfUs, a left-wing pressure group, tabled a proposal at Mastercard's annual meeting meant to stop payments to far-right groups. (The proposal was defeated.) Thirty-four women are suing Visa along with the owners of Pornhub, an adult site which they say hosted unconsenting footage of them. Illegal-porn sites "care a lot more about their finances than they do about the law," says Laila Mickelwait, whose Justice Defense Fund helps sex-abuse victims litigate. And, she adds, when financial firms change their policies it applies globally. Last year Visa and Mastercard cut off Pornhub over its hosting of potentially unlawful material. Payment companies in particular face a philosophical dilemma. "On one hand they try to be very open, accepting, willing to facilitate payments for whomever. They're not taking any sort of political or moral stance," says Lisa Ellis of MoffettNathanson, a research firm. "But on the other hand, they also feel like they have a very strong responsibility in making sure that they're not aiding and abetting any sort of crime."

Visa and Mastercard both say that, as global companies, their guiding principle is local legality. (This can throw up some surprises: one executive recalls being informed by clients from a Scandinavian country that bestiality was legal there at the time.) Things are not always black and white. In 2017, after a far-right march in Charlottesville, Virginia, Mastercard shut down the use of its cards on websites that had made "specific threats or incite[d] violence," but kept dealing with other sites labelled hate-groups. "Our standard is whether a merchant's activity is lawful, even when we disagree with what they say or do," the company said at the time. In grey areas they have reason to err on the side of caution. Payment networks' risk of liability tends to be low, since they operate at one remove from the merchants. But being named in a sex-trafficking complaint or accused of helping Nazis does not look good. In working with a borderline adult site, for instance, there's "not a lot of upside and a lot of downside", says Ms Ellis. And in legally tricky areas it can be cheaper to issue a blanket ban than pick through every difficult case. Banks may steer clear of countries that are not embargoed but which have a lot of people on the banned list, "to minimize the burden of determining whether every transaction is compliant," says Jonathan Cross of Herbert Smith Freehills, a law firm. [...] For as long as legislation lags behind, financial institutions will be left in a difficult position: either accused of being the "moral police," as one executive puts it, or of enabling wrongdoing. As Richard Haythornthwaite, then Mastercard's chairman, told the protesters at the firm's annual meeting in 2019: "If it is lawful, then we need to respect that transaction. If it is something that is swimming against the tide of society, it's for the society to rise up and change the law."

The Courts

Florida Judge Rules Section 230 Bars Defamation Claim Against the Wikimedia Foundation (wikimedia.org) 25

The Wikimedia Foundation wins Florida defamation case; intermediary protections effectively protect Wikipedia article. From a story: On September 15th, in a victory for the Wikimedia movement and for all user-driven projects online, a Florida judge dismissed claims of defamation, invasion of privacy, and infliction of emotional distress against the Wikimedia Foundation. The judge found that Section 230 of the Communications Decency Act immunizes the Wikimedia Foundation from liability for third-party content republished on Wikipedia. In other words, Section 230 helps Wikimedia safely host the work of Wikipedia's contributors and enables the effective volunteer-led moderation of content on the projects.

The case began when plaintiff Nathaniel White sued [PDF] the Wikimedia Foundation in January 2021, claiming that the Foundation was liable for the publication of photos that incorrectly identified him as a New York serial killer of the same name. Because of its open nature, sometimes inaccurate information is uploaded to Wikipedia and its companion projects, but the many members of our volunteer community are very effective at identifying and removing these inaccuracies when they do occur. Notably, this lawsuit was filed months after Wikipedia editors proactively corrected the error at issue in September 2020. Wikimedia moved to dismiss the amended complaint in June, arguing that plaintiffâ(TM)s claims were barred by Section 230.

In its order [PDF] granting the Wikimedia Foundation's motion to dismiss, the court affirmed that "interactive computer service providers" such as the Foundation generally cannot be held liable for third-party content like Wikipedia articles and photographs. The ruling also pointed out that the plaintiff's amended complaint attempted to "hold Wikimedia liable for its exercise of a publisher's traditional function." In other words, the plaintiff argued that the Foundation should be treated like a traditional offline publisher and held responsible as though it were vetting all posts made to the sites it hosts, despite the fact that it does not write or curate any of the content found on the projects. The court rejected this argument because it directly conflicts with Section 230, which clearly states that when third-party content is involved (as was the case here), the online host is not liable for it.

Bug

LibreOffice, OpenOffice Bug Allows Hackers To Spoof Signed Docs (bleepingcomputer.com) 5

LibreOffice and OpenOffice have pushed updates to address a vulnerability that makes it possible for an attacker to manipulate documents to appear as signed by a trusted source. Although the severity of the flaw is classified as moderate, the implications could be dire. BleepingComputer reports: The discovery of the flaw, which is tracked as CVE-2021-41832 for OpenOffice, was the work of four researchers at the Ruhr University Bochum. The same flaw impacts LibreOffice, which is a fork of OpenOffice spawned from the main project over a decade ago, and for their project is tracked as CVE-2021-25635. If you're using either of the open-source office suites, you're advised to upgrade to the latest available version immediately. For OpenOffice, that would be 4.1.10 and later, and for LibreOffice, 7.0.5 or 7.1.1 and later. Since neither of these two applications offer auto-updating, you should do it manually by downloading the latest version from the respective download centers -- LibreOffice, OpenOffice. If you're using Linux and the aforementioned versions aren't available on your distribution's package manager yet, you are advised to download the "deb", or "rpm" package from the Download center or build LibreOffice from source. If updating to the latest version is not possible for any reason, you can always opt to completely disable the macro features on your office suite, or avoid trusting any documents containing macros.
China

China Has Won AI Battle With US, Pentagon's Ex-software Chief Says (reuters.com) 99

China has won the artificial intelligence battle with the United States and is heading towards global dominance because of its technological advances, the Pentagon's former software chief told the Financial Times. From a report: China, the world's second largest economy, is likely to dominate many of the key emerging technologies, particularly artificial intelligence, synthetic biology and genetics within a decade or so, according to Western intelligence assessments. Nicolas Chaillan, the Pentagon's first chief software officer who resigned in protest against the slow pace of technological transformation in the U.S. military, said the failure to respond was putting the United States at risk.

"We have no competing fighting chance against China in 15 to 20 years. Right now, it's already a done deal; it is already over in my opinion," he told the newspaper. "Whether it takes a war or not is kind of anecdotal." China was set to dominate the future of the world, controlling everything from media narratives to geopolitics, he said.

Businesses

Sony To Join TSMC On New $7 Billion Chip Plant In Japan (nikkei.com) 12

TSMC, the world's largest contract chipmaker, and Sony are considering joint construction of a semiconductor factory in western Japan amid a global chip shortage, Nikkei has learned. From the report: The total investment in the project is estimated at 800 billion yen ($7 billion), with the Japanese government expected to provide up to half the amount. Japan's top auto parts maker Denso is also looking to participate through such steps as setting up equipment at the site. The Toyota Motor group member seeks stable supplies of chips used in its auto parts. Sony may also take a minority stake in a new company that will manage the factory, which will be located in Kumamoto Prefecture, on land owned by Sony and in an area adjacent to the latter's image sensor factory, according to multiple people familiar with the matter. The factory will make semiconductors used in camera image sensors, as well as chips for automobiles and other products, and is slated to go into operation by 2024, the people said.

Plans for the facility -- which would be TSMC's first chip production operation in Japan -- come as the global tech industry grapples with unprecedented semiconductor shortages and supply chain disruptions. The Japanese government, which is increasingly concerned about maintaining supply chain stability amid the chip shortage and rising tensions surrounding the Taiwan Strait, will support the project with subsidies, Nikkei learned. In exchange for subsidies, the government will seek a commitment that chip supplies to the Japanese market will take priority.

Nintendo

Nintendo Throws Rare Bone To Modern EU Gamers Via N64 60 Hz Toggle (arstechnica.com) 4

An anonymous reader quotes a report from Ars Technica: On Monday, Nintendo of Europe announced a very region-specific -- and era-specific -- tweak for its upcoming collection of N64 games on Switch: an option to switch between the video standards PAL and NTSC. While the announcement may sound ho-hum to outsiders, anyone in Europe with a vested interest in classic gaming will appreciate what the toggle affords. The issue boils down to differences between NTSC and PAL, the leading video broadcast standards on CRT TVs during Nintendo's '80s and '90s heyday. North American and Japanese TV sets were configured for NTSC, which has a refresh rate standard of 60 Hz, while PAL sets dominated Europe with a slightly higher pixel resolution and a lower refresh rate standard of 50 Hz.

Should you merely watch TV series or films on both NTSC and PAL sets, the difference between each is noticeable yet mild. But for much of the '80s and '90s, many TV video games, especially the ones made by the largely Japanese console industry, suffered in PAL because they were coded specifically for NTSC standards. In order to port them to PAL, developers generally didn't go back and reconfigure all of the timings, especially in the case of early 3D games. Instead, their internal clock speeds were often slowed down to 83.3 percent to match European TV refresh rates. This meant both slower gameplay than originally coded and slower playback of music and sound effects. (These also often shipped with NTSC's pixel maximums in mind in such a way that they were squished to fit on PAL displays, as opposed to being optimized for them.)

Sure enough, last month's announcement of N64 games on Nintendo Switch Online put fear into European classic-gamer hearts. That region's reveal video included slightly slower timings of classic N64 games compared to videos posted by Nintendo of America and Nintendo of Japan, since they were emulating the original European retail releases. At that time, Nintendo of Europe did not immediately reply to social media questions about whether European Switch owners would get an option for 60 Hz N64 gameplay -- especially in an LCD TV era, where such CRT-related restrictions no longer technically apply to most EU and UK TV owners. Monday's announcement confirms that European players will get a 60 Hz option by default for every N64 game in the Nintendo Switch Online "Expansion Pack" collection, along with the option to access a game's original 50 Hz version if it launched with multi-language support. Reading between the lines, we believe this means that if a European N64 game only had English language support, its Switch Online version will be the North American NTSC ROM.

Microsoft

Microsoft Warns of New Windows 11 Problems With Apps Using Unusual Registry Keys (betanews.com) 55

Microsoft has shared details of a new known issue with Windows 11. The company has confirmed that a problem exists with apps that use certain characters in registry keys. From a report: As a result of the discovery, Microsoft has put a compatibility hold in place that means people with problematic apps installed will not be offered Windows 11 via Windows Update. The issue is under investigation. It seems that the issue is related to, or is an extension of, one of the three initial known issues with Windows 11.
Google

Google Pulls 'Stalkerware' Ads That Promoted Phone Spying Apps (techcrunch.com) 8

Google has pulled several "stalkerware" ads that violated its policies by promoting apps that encouraged prospective users to spy on their spouses' phone. From a report: These consumer-grade spyware apps are often marketed to parents wishing to monitor their child's calls, messages, apps, photos and location, often under the guise of protecting against predators. But these apps, which are often designed to be installed surreptitiously and without the device owner's consent, have been repurposed by abusers to spy on the phones of their spouses.

[...] Last August, Google banned ads in users' search results that promoted apps that are designed "with the express purpose of tracking or monitoring another person or their activities without their authorization." But TechCrunch found five app makers were still advertising their stalkerware apps as recently as last week. "We do not allow ads promoting spyware for partner surveillance. We immediately removed the ads that violated this policy and will continue to track emerging behaviors to prevent bad actors from trying to evade our detection systems," a Google spokesperson told TechCrunch.

Businesses

Amazon Will Allow Many Employees To Work Remotely Indefinitely (seattletimes.com) 28

Amazon will allow many tech and corporate workers to continue working remotely indefinitely, as long as they are able to commute to the office when necessary, according to a blog posted Monday. From a report: The new policy is a change from Amazon's previous expectation that most employees would need to be in the office at least three days a week once offices reopen in January. Monday's message, signed by Amazon CEO Andy Jassy, explains that Amazon directors -- at Amazon, a title signifying an executive who oversees a handful of teams -- will have the discretion to allow teams under their purview to stay remote. "We expect that there will be teams that continue working mostly remotely, others that will work some combination of remotely and in the office, and still others that will decide customers are best served having the team work mostly in the office," Jassy wrote. "We're intentionally not prescribing how many days or which days -- this is for Directors to determine with their senior leaders and teams."

In the blog post, Jassy thanked Amazon employees who have been unable to work remotely during the pandemic "for their passion. It is highly appreciated." Those workers include the vast majority of Amazon's more than 1 million employees worldwide, who work in the company's fulfillment and transportation division, as well as its AWS data center and physical retail employees. Amazon's update to its return-to-work policy follows similar moves from other tech giants. Microsoft announced last month that it had postponed reopening its offices indefinitely; Google has said it anticipates roughly 20% of its workforce will continue to telecommute full-time.

The Courts

Apple Decides Its Victory Against Epic Wasn't Enough -- It Wants a Total Win (cnbc.com) 40

Apple wants another go in its legal battle against Epic Games. From a report: On Friday night, Apple announced it would ask for a stay on a judge's September order saying Apple would have to allow apps to direct customers to external websites. That ruling would let app businesses circumvent Apple's requirement to facilitate payments only inside of apps, where Apple takes up to a 30% cut. Apple is also appealing the ruling. Because Epic Games is also appealing the nine counts it lost, it could take years before the case is resolved and Apple is forced to make any changes to iOS, the operating system for iPhones, as the two companies wrangle through the appeals process in court. The judge is expected to rule on Apple's request for a stay next month.

Apple's move is a surprising turnaround from its tone following the decision in September. While the company always left open the possibility of an appeal, it portrayed the judge's ruling as a resounding legal win for its App Store business model, which has come under fire from technology rivals, international regulators and members of the U.S. Congress. "We are very pleased with the Court's ruling and we consider this a huge win for Apple," Kate Adams, Apple's lawyer, said in September following the ruling. The Friday night announcement inspired a torrent of commentary from Apple critics. They pointed out the move would preserve Apple's App Store profits by preventing apps from using alternative payment systems. One company announced last week that it was already working on a cheaper, web-based alternative to Apple's app payments -- a move made possible only by the ruling that Apple is now appealing.

Science

Can Nuclear Fusion Put the Brakes on Climate Change? (newyorker.com) 208

Amid an escalating crisis, the power source offers a dream -- or a pipe dream -- of limitless clean energy. From a report: Let's say that you've devoted your entire adult life to developing a carbon-free way to power a household for a year on the fuel of a single glass of water, and that you've had moments, even years, when you were pretty sure you would succeed. Let's say also that you're not crazy. This is a reasonable description of many of the physicists working in the field of nuclear fusion. In order to reach this goal, they had to find a way to heat matter to temperatures hotter than the center of the sun, so hot that atoms essentially melt into a cloud of charged particles known as plasma; they did that. They had to conceive of and build containers that could hold those plasmas; they did that, too, by making "bottles" out of strong magnetic fields. When those magnetic bottles leaked -- because, as one scientist explained, trying to contain plasma in a magnetic bottle is like trying to wrap a jelly in twine -- they had to devise further ingenious solutions, and, again and again, they did. Over decades, in the pursuit of nuclear fusion, scientists and engineers built giant metal doughnuts and Gehryesque twisted coils, they "pinched" plasmas with lasers, and they constructed fusion devices in garages. For thirty-six years, they have been planning and building an experimental fusion device in Provence. And yet commercially viable nuclear-fusion energy has always remained just a bit farther on.

As the White Queen, in "Through the Looking Glass," said to Alice, it is never jam today, it is always jam tomorrow. The accelerating climate crisis makes fusion's elusiveness more than cutely maddening. Solar energy gets more efficient and affordable each year, but it's not continuously available, and it still relies on gas power plants for distribution. The same is true for wind power. Conventional nuclear power has extremely well-known disadvantages. Carbon capture, which is like a toothbrush for the sky, is compelling, but after you capture a teraton or two of carbon there's nowhere to put it. All these tools figure extensively in decarbonization plans laid out by groups like the Intergovernmental Panel on Climate Change, but, according to those plans, even when combined with one another the tools are insufficient. Fusion remains the great clean-energy dream -- or, depending on whom you ask, pipe dream. Fusion, theoretically, has no scarcity issues; our planet has enough of fusion's primary fuels, heavy hydrogen and lithium, which are found in seawater, to last thirty million years.

Fusion requires no major advances in batteries, it would be available on demand, it wouldn't cause the next Fukushima, and it wouldn't be too pricey -- if only we could figure out all the "details." (A joke I heard is that fusion operates according to the law of the "conservation of difficulty": when one problem is solved, a new one of equal difficulty emerges to take its place.) The details are tremendously complex, and the people who work to figure them out have for years been dealing with their own scarcities -- scarcities of funding and scarcities of faith. Fusion, as of now, has no place in the Green New Deal. In 1976, the U.S. Energy Research and Development Administration published a study predicting how quickly nuclear fusion could become a reality, depending on how much money was invested in the field. For around nine billion a year in today's dollars -- described as the "Maximum Effective Effort" -- it projected reaching fusion energy by 1990. The scale descended to about a billion dollars a year, which the study projected would lead to "Fusion Never." "And that's about what's been spent," the British physicist Steven Cowley told me. "Pretty close to the maximum amount you could spend in order to never get there."

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