×
Power

Beyond Batteries: Imaginative Alternatives for Grid Energy Storage (newyorker.com) 204

Solar and wind power are "intermittent," points out Slashdot reader silverjacket . "A feature in this week's issue of The New Yorker highlights current efforts to use gravity, heat, momentum, air pressure, and other methods to store large amounts of energy for the electricity grid."

In other words, alternatives to massive lithium-ion batteries: Quidnet [has] patented a new kind of pumped hydro. Instead of pumping water uphill, the company's system sends it underground through a pipe reaching at least a thousand feet down. Later, the system lets the Earth squeeze the water back up under pressure, using it to drive generators. Wright and Craig are veterans of the oil and gas industry, and Quidnet's technology is like a green riff on fracking.... Initially, Quidnet encountered skepticism about its ability to form lenses of the right size and shape. By the time I visited, however, it had successfully completed multiple pumping cycles in Texas, Ohio, and Alberta. The company has received thirty-eight million dollars in private and government funding, including contributions from Breakthrough Energy Ventures, established by Bill Gates.
The New Yorker science/technology writer also interviewed Bill Gross, a longtime investor in solar power and a co-founder of his own energy-storage company called Energy Vault. He points an inconvenient truth: "it actually costs more to store electricity than to make it." In many cases, solar and wind have become less expensive than coal and gas. But add the cost of storage, and renewables can lose to fossil fuels.
But he's working on his own solution... Energy Vault's first attempt at a system was EV1, a looming, Transformer-like tower crane with six arms. The idea was that such a crane would stack blocks in a wall around itself, then unstack them.... [T]he company moved on to a new, enclosed design, called EVx. In renderings, it resembles a boxy automated warehouse forty stories tall. Elevators will use clean power to lift blocks weighing as much as thirty tons and put them on trolleys, which will move them toward the middle of the structure. When energy is needed, the blocks will be moved back to the elevators. As they descend, the elevators will power generators, producing new electricity... The EVx demo is being developed in a bucolic Swiss mountain valley in the shadow of EV1...

[T]he company isn't alone in pursuing what's known as "gravity storage." Gravitricity, based in Scotland, recently concluded a demonstration that involved hefting a fifty-ton block up a tower, two stories at a time; it now plans to raise and lower single, thousand-ton blocks inside disused mine shafts. Two other companies, Gravity Power, in California, and Gravity Storage GmbH, in Hamburg, aim to place a massive weight at the bottom of a shaft and then pump water underneath to lift it. To withdraw energy, they'll let the weight push the water down into a pipe and through a turbine. RheEnergise, based in Montreal, has come up with yet another take on pumped hydro, centered on a fluid that the company invented called R-19, which is two and a half times as dense as water; its system will move the fluid between tanks at the top and bottom of an incline. The work is still at the crowdfunding stage.

Just as you can store potential energy by lifting a block in the air, you can store it thermally, by heating things up. Companies are banking heat in molten salt, volcanic rocks, and other materials. Giant batteries, based on renewable chemical processes, are also workable. In so-called flow batteries, tanks can be used to manage electrolytes, which hold a charge. In hydrogen storage, electrolysis is used to separate hydrogen from oxygen in water; the hydrogen is then cached underground, or in aboveground tanks, as gas or liquid or part of ammonia. When it's recombined with oxygen in a fuel cell, it forms water again and releases electricity.

The article's last line? "Nature can help us generate power. Maybe it can help us hold on to it, too."
The Military

A Visit to the Nuclear Missile Next Door (sfgate.com) 126

78-year-old rancher Ed Butcher has, for 60 years, lived with a nuclear missile as his closest neighbor — an active U.S. government nuclear missile, buried just beneath his cow pasture.

"Do you think they'll ever shoot it up into the sky?" asks his wife Pam, during a visit from the Washington Post.

"I used to say, 'No way,' " Ed said. "Now it's more like, 'Please God, don't let us be here to see it.' " The missile was called a Minuteman III, and the launch site had been on their property since the Cold War, when the Air Force paid $150 for one acre of their land as it installed an arsenal of nuclear weapons across the rural West. About 400 of those missiles remain active and ready to launch at a few seconds notice in Montana, Wyoming, North Dakota, Colorado and Nebraska. They are located on bison preserves and Indian reservations. They sit across from a national forest, behind a rodeo grandstand, down the road from a one-room schoolhouse, and on dozens of private farms like the one belonging to the Butchers, who have lived for 60 years with a nuclear missile as their closest neighbor.

It's buried behind a chain-link fence and beneath a 110-ton door of concrete and steel. It's 60 feet long. It weighs 79,432 pounds. It has an explosive power at least 20 times greater than the atomic bomb that killed 140,000 people in Hiroshima. An Air Force team is stationed in an underground bunker a few miles away, ready to fire the missile at any moment if the order comes. It would tear out of the silo in about 3.4 seconds and climb above the ranch at 10,000 feet per second. It was designed to rise 70 miles above Earth, fly across the world in 25 minutes and detonate within a few hundred yards of its target. The ensuing fireball would vaporize every person and every structure within a half-mile. The blast would flatten buildings across a five-mile radius. Secondary fires and fatal doses of radiation would spread over dozens more miles, resulting in what U.S. military experts have referred to as "total nuclear annihilation."

"I bet it would fly right over our living room," Ed said. "I wonder if we'd even see it."

"We'd hear it. We'd feel it," Pam said. "The whole house would be shaking."

"And if we're shooting off missiles, you can bet some are headed back toward us," Ed said... "I guess we'd head for the storage room," Ed said.

"Make a few goodbye calls," Pam said. "Hold hands. Pray."

Ed got up to clear his plate. "Good thing it's all hypothetical. It's really only there for deterrence. It'll never actually explode."

"You're right," Pam said. "It won't happen. Almost definitely not."

Government

US Invests $6 Billion to Save 'Financially Distressed' Nuclear Reactors (apnews.com) 188

The U.S. government "is launching a $6 billion effort to rescue nuclear power plants at risk of closing," reports the Associated Press, "citing the need to continue nuclear energy as a carbon-free source of power that helps to combat climate change." A certification and bidding process opened Tuesday for a civil nuclear credit program that is intended to bail out financially distressed owners or operators of nuclear power reactors, the U.S. Department of Energy told The Associated Press exclusively, shortly before the official announcement. It's the largest federal investment in saving financially distressed nuclear reactors... "U.S. nuclear power plants contribute more than half of our carbon-free electricity, and President Biden is committed to keeping these plants active to reach our clean energy goals," Energy Secretary Jennifer Granholm said in a statement. "We're using every tool available to get this country powered by clean energy by 2035, and that includes prioritizing our existing nuclear fleet to allow for continued emissions-free electricity generation and economic stability for the communities leading this important work...."

A dozen U.S. commercial nuclear power reactors have closed in the past decade before their licenses expired, largely due to competition from cheaper natural gas, massive operating losses due to low electricity prices and escalating costs, or the cost of major repairs. This has led to a rise in emissions in those regions, poorer air quality and the loss of thousands of high-paying jobs, dealing an economic blow to local communities, according to the Department of Energy. A quarter or more of the fleet is at risk, the Department of Energy added. The owners of seven currently operating reactors have already announced plans to retire them through 2025.... Twenty more reactors faced closure in the last decade before states stepped in to save them, according to the Nuclear Energy Institute , the industry's trade association.... Low electricity prices are the main cause of this trend, though federal and state policies to boost wind and solar have contributed as well, the NEI added.

There are 55 commercial nuclear power plants with 93 nuclear reactors in 28 U.S. states. Nuclear power already provides about 20% of electricity in the U.S., or about half the nation's carbon-free energy. If reactors do close before their licenses expire, fossil fuel plants will likely fill the void and emissions will increase, which would be a substantial setback, said Andrew Griffith, acting assistant secretary for nuclear energy at DOE. While natural gas may be cheaper, nuclear power hasn't been given credit for its carbon-free contribution to the grid and that has caused nuclear plants to struggle financially, Griffith added....

David Schlissel, at the Ohio-based Institute for Energy Economics and Financial Analysis, said he wishes the federal government, before it allocated the $6 billion, had analyzed whether that money might have been better spent on ramping up renewables, battery storage and energy efficiency projects, which can be done quickly and cheaply to displace fossil fuels.

Businesses

Amazon Opens Up Prime Delivery Service To Other Retailers (cnbc.com) 29

Amazon will let other online merchants piggyback on its Prime service to deliver goods quickly to their customers. From a report: The company on Thursday launched a new service, Buy with Prime, that lets third-party merchants use Amazon's vast shipping and logistics network to fulfill orders on their own sites, while also appealing to Amazon's 200 million-plus Prime customers. These web sites will be able to put the Prime badge on their websites next to items that are eligible for free two-day or next-day delivery. Prime members will use the payment and shipping information stored on their Amazon account to place an order. Buy with Prime won't be free for sellers, and pricing will vary depending on payment processing, fulfillment, storage and other fees. To start, the service will only be available by invitation to sellers who use Fulfillment by Amazon, or FBA. With that service, merchants pay to have their inventory stored in Amazon's warehouses and to make use of the company's supply chain and shipping operations. Eventually, it will be extended to other merchants, including those not selling on Amazon.
Android

Volla Phone 22 Runs Ubuntu Touch Or a Privacy-Focused Android Fork Or Both (liliputing.com) 22

The Volla Phone 22, a new smartphone available for preorder via a Kickstarter campaign, is unlike any other smartphone on the market today in that it ships with a choice of the Android-based Volla OS or the Ubuntu Touch mobile Linux distribution. "It also supports multi-boot functionality, allowing you to install more than one operating system and choose which to run at startup," writes Liliputing's Brad Linder. Some of the hardware specs include a 6.3-inch FHD+ display, a MediaTek Helio G85 processor, 4GB of RAM, 128GB storage, 3.5mm audio jack and a microSD card reader. There's also a 48-megapixel main camera sensor and replaceable 4,500mAh battery. From the report: While Volla works with the folks at UBPorts to ensure its phones are compatible with Ubuntu Touch, the company develops the Android-based Volla OS in-house. It's based on Google's Android Open Source Project code, but includes a custom launcher, user interface, and set of apps with an emphasis on privacy. The Google Play Store is not included, as this is a phone aimed at folks who want to minimize tracking from big tech companies. Other Google apps and services like the Chrome web browser, Google Maps, Google Drive, and Gmail are also omitted. The upshot is that no user data is collected or stored by Volla, Google, or other companies unless you decide to install apps that track your data. Of course, that could make using the phone a little less convenient if you've come to rely on those apps, so the Volla Phone might not be the best choice for everyone.

Volla OS also has a built-in user-customizable firewall, an App Locker feature for disabling and hiding apps, and optional support for using the Hide.me VPN for anonymous internet usage. The source code for Volla OS is also available for anyone that wants to inspect the code. The operating system also has a custom user interface including a Springboard that allows you to quickly launch frequently-used apps by pressing a red dot for a list, or by starting to type in a search box for automatic suggestions such as placing a phone call, sending a text message, or opening a web page. You can also create notes or calendar events from the Springboard or send an encrypted message with Signal.
The phone is expected to ship in June at an early bird price of about $408.
Android

The Nord N20 Is OnePlus' Budget Offering For 2022 (androidpolice.com) 12

For 2022, OnePlus has announced the Nord N20 5G as its budget offering for the US and Canadian markets, free when you add a line or $282. Android Police reports: Compared to the previous models, this year's phone sure seems to be a mid-range device rather than a budget one. The phone features a 6.43-inch AMOLED display with an in-display fingerprint scanner, a Snapdragon 695 chip, 6GB RAM, and 128GB storage. There's a microSD card slot, too, so you can expand the storage by up to 512GB if needed. A 4,500mAh battery powers the device, coming with 33W fast charging support that's enough to top up the cell to 50% in just 30 minutes. The phone's rear houses a triple-camera setup consisting of a 64MP primary sensor, a 2MP macro, and a monochrome lens -- there's no ultra-wide sensor here.

Judging from the specs, it is clear that the Nord N20 is a sister variant of the Nord CE 2 Lite with some minor downgrades. The latter is due to launch in India later this month. The Nord N20 runs the Android 11-based OxygenOS 11 and not Android 12. There's no word on when an update to Android 12 will arrive, either. Previous Nord phones in the US received only one OS update, so it is possible Android 12 could be the first and last OS update for the N20.

Security

GitHub Issues Security Alert After Spotting Misuse of Tokens Stolen from OAuth Integrators (github.blog) 16

GitHub issued a security alert Friday.

GitHub's chief security officer wrote that on Tuesday, "GitHub Security began an investigation that uncovered evidence that an attacker abused stolen OAuth user tokens issued to two third-party OAuth integrators, Heroku and Travis-CI, to download data from dozens of organizations, including npm..."

We do not believe the attacker obtained these tokens via a compromise of GitHub or its systems, because the tokens in question are not stored by GitHub in their original, usable formats. Following immediate investigation, we disclosed our findings to Heroku and Travis-CI on April 13 and 14...

Looking across the entire GitHub platform, we have high confidence that compromised OAuth user tokens from Heroku and Travis-CI-maintained OAuth applications were stolen and abused to download private repositories belonging to dozens of victim organizations that were using these apps. Our analysis of other behavior by the threat actor suggests that the actors may be mining the downloaded private repository contents, to which the stolen OAuth token had access, for secrets that could be used to pivot into other infrastructure.

We are sharing this today as we believe the attacks may be ongoing and action is required for customers to protect themselves.

The initial detection related to this campaign occurred on April 12 when GitHub Security identified unauthorized access to our npm production infrastructure using a compromised AWS API key. Based on subsequent analysis, we believe this API key was obtained by the attacker when they downloaded a set of private npm repositories using a stolen OAuth token from one of the two affected third-party OAuth applications described above. Upon discovering the broader theft of third-party OAuth tokens not stored by GitHub or npm on the evening of April 13, we immediately took action to protect GitHub and npm by revoking tokens associated with GitHub and npm's internal use of these compromised applications.

We believe that the two impacts to npm are unauthorized access to, and downloading of, the private repositories in the npm organization on GitHub.com and potential access to the npm packages as they exist in AWS S3 storage.

At this point, we assess that the attacker did not modify any packages or gain access to any user account data or credentials. We are still working to understand whether the attacker viewed or downloaded private packages.

npm uses completely separate infrastructure from GitHub.com; GitHub was not affected in this original attack. Though investigation continues, we have found no evidence that other GitHub-owned private repos were cloned by the attacker using stolen third-party OAuth tokens.

Once GitHub identified stolen third-party OAuth tokens affecting GitHub users, GitHub took immediate steps to respond and protect users. GitHub contacted Heroku and Travis-CI to request that they initiate their own security investigations, revoke all OAuth user tokens associated with the affected applications, and begin work to notify their own users.... GitHub is currently working to identify and notify all of the known-affected victim users and organizations that we discovered through our analysis across GitHub.com. These customers will receive a notification email from GitHub with additional details and next steps to assist in their own response within the next 72 hours. If you do not receive a notification, you and/or your organization have not been identified as affected.

You should, however, periodically review what OAuth applications you've authorized or are authorized to access your organization and prune anything that's no longer needed. You can also review your organization audit logs and user account security logs for unexpected or anomalous activity....

The security and trustworthiness of GitHub, npm, and the broader developer ecosystem is our highest priority. Our investigation is ongoing, and we will update this blog, and our communications with affected customers, as we learn more.

Science

Researchers Create a Magnet Made of One Molecule (phys.org) 27

Sometimes making a brand-new type of box requires outside-the-box thinking, which is exactly what Spartan chemists used to create an eight-atom, magnetic cube. Phys.Org reports: Part of what made the researchers' idea so wild was their choice to work with starting ingredients that are notoriously finicky in the chemistry community. One ingredient is a group of elements referred to as lanthanides, which occupy a special row toward the bottom of the periodic table of elements. The other is the metallic element bismuth, which doesn't typically get too much attention (although some may recognize it from its role in bright pink antacids such as Pepto Bismol).

By finding a way to combine the bismuth with a lanthanide element -- notably terbium or dysprosium -- they created a molecule with permanent magnetic features. It's the same magnetism found in bar magnets and hard disk drives, but at a much smaller scale. The small scale of molecular magnets offers technological opportunities, such as improving the storage capacity of magnetic hard drives. There are also emerging applications where conventional magnets may simply be too large to contribute, such as in processors for quantum computers.

The first single-molecule magnet was discovered about 30 years ago and, since then, researchers have been seeking new varieties with different physical and chemical attributes. They've also been working to develop more creative chemical approaches to make the magnets. The molecule itself, though, looks simple, belying the complexity of the process required to make it. The top and bottom of the molecule are capped with rings of carbon and hydrogen atoms. Each ring is linked to a lanthanide that forms a cube with the bismuth atoms.
The researchers published their findings in the journal Chem.
Supercomputing

Russia Cobbles Together Supercomputing Platform To Wean Off Foreign Suppliers (theregister.com) 38

Russia is adapting to a world where it no longer has access to many technologies abroad with the development of a new supercomputer platform that can use foreign x86 processors such as Intel's in combination with the country's homegrown Elbrus processors. The Register reports: The new supercomputer reference system, dubbed "RSK Tornado," was developed on behalf of the Russian government by HPC system integrator RSC Group, according to an English translation of a Russian-language press release published March 30. RSC said it created RSK Tornado as a "unified interoperable" platform to "accelerate the pace of important substitution" for HPC systems, data processing centers and data storage systems in Russia. In other words, the HPC system architecture is meant to help Russia quickly adjust to the fact that major chip companies such as Intel, AMD and TSMC -- plus several other technology vendors, like Dell and Lenovo -- have suspended product shipments to the country as a result of sanctions by the US and other countries in reaction to Russia's invasion of Ukraine.

RSK Tornado supports up to 104 servers in a rack, with the idea being to support foreign x86 processors (should they come available) as well as Russia's Elbrus processors, which debuted in 2015. The hope appears to be the ability for Russian developers to port HPC, AI and big data applications from x86 architectures to the Elbrus architecture, which, in theory, will make it easier for Russia to rely on its own supply chain and better cope with continued sanctions from abroad. RSK Tornado systems software is RSC proprietary and is currently used to orchestrate supercomputer resources at the Interdepartmental Supercomputer Center of the Russian Academy of Sciences, St Petersburg Polytechnic University and the Joint Institute for Nuclear Research. RSC claims to have also developed its own liquid-cooling system for supercomputers and data storage systems, the latter of which can use Elbrus CPUs too.

Bitcoin

Tesla, Block and Blockstream Team Up To Mine Bitcoin Off Solar Power in Texas (cnbc.com) 92

Blockstream and Jack Dorsey's Block, formerly Square, are breaking ground on a solar- and battery-powered bitcoin mine in Texas that uses solar and storage technology from Tesla. Tesla's 3.8 megawatt solar PV array and 12 megawatt-hour Megapack will power the facility. From a report: Blockstream co-founder and CEO Adam Back, a British cryptographer and a member of the "cypherpunk" crew, told CNBC on the sidelines of the Bitcoin 2022 conference in Miami that the mining facility is designed to be a proof of concept for 100% renewable energy bitcoin mining at scale.

[...] Miners provide demand to these semi-stranded assets and make renewables in Texas economically viable, according to Castle Island Venture's Nic Carter. The constraint is that West Texas has roughly 34 gigawatts of power, five gigawatts of demand, and only 12 gigawatts of transmission. You can think of bitcoin miners as temporary buyers who keep the energy assets operational until the grid is able to fully absorb them. Back said the off-grid mine, expected to be completed later this year, highlights another key tenet of the bitcoin network: Miners are location agnostic and can "do it from anywhere without local infrastructure."

Canada

Canada Creates Carbon-Capture Incentives, Critical Mineral Plan To Cut Emissions (reuters.com) 31

Canada will offer a substantial incentive to companies that invest in carbon-capture technologies and will set aside as much as $3 billion over eight years to accelerate critical mineral exploration, extraction and processing as it seeks to cut carbon emissions. From a report In this year's budget presented on Thursday, Canada is introducing a 60% tax credit for equipment used to capture carbon from the air, and 50% for all other capture equipment, plus a 37.5% credit for transportation and storage equipment. Carbon capture and storage (CSS) facilities are expected to be a key part of global efforts to contain emissions from fossil fuels. Canada is the world's fourth-largest oil producer and has a set a goal of generating net-zero emissions by 2050. "For the oil and gas sector this tax credit, combined with the fact they are generating massive revenues right now, is more than enough to reduce the risk associated with going ahead with CCS projects," said Chris Severson-Baker, Alberta regional director at the Pembina Institute, a clean energy think-tank.
Space

Former SpaceX Rocket Scientist Starts 'In-Space Propulsion' Company (arstechnica.com) 25

Ars Technica looks at the "in-space propulsion company" Impulse Space, which just announced $20 million in seed funding this week to help it build something called an "orbital transfer vehicle."

The company was founded by rocket scientist Tom Mueller, who the article describes as the first employee hired by Elon Musk for SpaceX, leading the development of SpaceX's Merlin rocket engine.

Impulse Space is apparently positioning itself for its own role in a future with lots of reusable rockets and cheaper launch costs: Founded last September, Impulse Space will initially seek to provide "last mile" delivery services for satellites launched as part of rideshare missions, likely including on SpaceX's workhorse Falcon 9 rocket.... While the company is not ready to discuss its specific technology, the goal is to deliver the most delta-V capability [velocity from fuel-burning] in the most efficient manner.

Impulse Space released a teaser video on this earlier this month. [The video's title? "Hello, Solar System...!" And it concludes with the words "Big things have small beginings."]

Impulse Space will seek to complement launch services with sustainable delivery in space, using green propellants and having vehicles with de-orbit capability. Barry Matsumori, who recently joined as the company's chief operating officer, said the company recognizes that if tens or hundreds of satellites will be launching on these heavy-lift rockets, they're going to need to reach different orbits and have different purposes... The company's initial business strategy involves low Earth orbit, but it envisions the need for sustainable transportation from the Earth to the Moon — in the form of a tug — and the storage and movement of propellant in both low Earth orbit and the lunar environment.

Once a company mines a space resource, after all, it will have to go somewhere.

Power

US President Invokes Emergency Authority Prioritizing Pursuit of EV Battery Minerals (cnbc.com) 199

U.S. president Joe Biden "will invoke the Defense Production Act to encourage domestic production of minerals required to make batteries for electric vehicles and long-term energy storage," reports CNBC.

"It will also help the U.S. minimize dependence on foreign supply chains." The president's order could help companies receive government funding for feasibility studies on projects that extract materials, including lithium, nickel, cobalt, graphite and manganese, for EV production.

The Defense Production Act, established by President Harry Truman during the Cold War, allows the president to use emergency authority to prioritize the development of specific materials for national production.... The administration also said it's reviewing further uses of the law to "secure safer, cleaner, and more resilient energy for America."

The transportation sector is one of the largest contributors to U.S. greenhouse gas emissions, representing about one-third of emissions every year. The transition away from gas vehicles to EVs is considered critical to combating human-caused climate change....

The administration in February unveiled a plan to allocate $5 billion to states to fund EV chargers over five years as part of the bipartisan infrastructure package.

The White House said in a statement the move would reduce America's reliance on China and other countries "for the minerals and materials that will power our clean energy future."
Communications

Modem-Wiping Malware Caused Viasat Satellite Broadband Outage In Europe (theregister.com) 17

Tens of thousands of Viasat satellite broadband modems that were disabled in a cyber-attack some weeks ago were wiped by malware with possible links to Russia's destructive VPNFilter, according to SentinelOne. The Register reports: On February 24, as Russian troops invaded Ukraine, Viasat terminals in Europe and Ukraine were suddenly and unexpectedly knocked offline and rendered inoperable. This caused, among other things, thousands of wind turbines in Germany to lose satellite internet connectivity needed for remote monitoring and control. Earlier this week, Viasat provided some details about the outage: it blamed a poorly configured VPN appliance, which allowed a miscreant to access a trusted management segment of Viasat's KA-SAT satellite network.

The broadband provider said this intruder then explored its internal network until they were able to instruct subscribers' modems to overwrite their flash storage, requiring a factory reset to restore the equipment. We were told: "The attacker moved laterally through this trusted management network to a specific network segment used to manage and operate the network, and then used this network access to execute legitimate, targeted management commands on a large number of residential modems simultaneously. Specifically, these destructive commands overwrote key data in flash memory on the modems, rendering the modems unable to access the network, but not permanently unusable."

How exactly these modems had their memory overwritten wasn't said. According to the research arm of SentinelOne, though, it may have been wiper malware deployed to the devices as a malicious firmware update from Viasat's compromised backend. This conclusion was based on a suspicious-looking MIPS ELF binary named "ukrop" that was uploaded to VirusTotal on March 15. "Only the incident responders in the Viasat case could say definitively whether this was in fact the malware used in this particular incident," SentinelOne's Juan Andres Guerrero-Saade and Max van Amerongen wrote on Thursday.

OS X

'Infinite Mac' Project Lets You Boot Up Mac OS In Your Browser (arstechnica.com) 10

An anonymous reader quotes a report from Ars Technica: What makes the ["Infinite Mac"] project unique isn't necessarily the fact that it's browser-based; it has been possible to run old DOS, Windows, and Mac OS versions in browser windows for quite a while now. Instead, it's the creative solutions that developer Mihai Parparita has come up with to enable persistent storage, fast download speeds, reduced processor usage, and file transfers between the classic Mac and whatever host system you're running it on. Parparita details some of his work in this blog post.

Beginning with a late 2017 browser-based port of the Basilisk II emulator, Parparita wanted to install old apps to more faithfully re-create the experience of using an old Mac, but he wanted to do it without requiring huge downloads or running as a separate program as the Macintosh.js project does. To solve the download problem, Parparita compressed the disk image and broke it up into 256K chunks that are downloaded on demand rather than up front. "Along with some old fashioned web optimizations, this makes the emulator show the Mac's boot screen in a second and be fully booted in 3 seconds, even with a cold HTTP cache," Parparita wrote.

CPU usage was another issue. Old operating systems and processors didn't really distinguish between active and idle processor states -- your computer was either on or off. So when you emulate these old systems, they'll ramp one of your CPU cores to 100% whether you're actually using the emulator or not. Parparita used existing Basilisk II features to reduce CPU usage, only requiring full performance when "there was user input or a screen refresh was required." Infinite Mac won't run later releases of classic Mac OS (including 8.5, 8.6, and 9) because those releases ran exclusively on PowerPC Macs, dropping support for the old Motorola 68000-based processors. Emulators like QEMU are capable of emulating PowerPC Macs, but (at least as far as I am aware) there are no easy browser-based implementations that exist. Not yet, anyway.

The Military

Russians Leaving Chernobyl After Radiation Exposure (apnews.com) 143

According to the Associated Press, Russian troops have left the Chernobyl nuclear power plant after soldiers received "significant doses" of radiation from digging trenches around the closed plant. On February 24, Russians seized control of Chernobyl shortly after declaring their invasion of Ukraine. From the report: Russian forces seized the Chernobyl site in the opening stages of the Feb. 24 invasion, raising fears that they would cause damage or disruption that could spread radiation. The workforce at the site oversees the safe storage of spent fuel rods and the concrete-entombed ruins of the reactor that exploded in 1986. Edwin Lyman, a nuclear expert with the U.S.-based Union of Concerned Scientists, said it "seems unlikely" a large number of troops would develop severe radiation illness, but it was impossible to know for sure without more details. He said contaminated material was probably buried or covered with new topsoil during the cleanup of Chernobyl, and some soldiers may have been exposed to a "hot spot" of radiation while digging. Others may have assumed they were at risk too, he said.
Data Storage

Warzone Dev Says Game Is Losing Players Over 'Insane' Download Sizes (arstechnica.com) 92

An anonymous reader quotes a report from Ars Technica: For years, players have complained that ballooning game download sizes are clogging up hard drives and Internet bandwidth. In a recent interview with streamer TeeP, Call of Duty: Warzone Live Operations Lead Josh Bridge admitted that the game's massive file size is also impacting the team's ability to release new maps. Asked about the possibility of adding the original Verdansk map to cycle alongside the game's current Caldera map, Bridge said, "We want that. We all want that," before addressing the "technical problem" that makes it difficult: "The install and re-install sizes are fucking insane, right? If we pulled out Caldera and say we're gonna drop in Verdansk, this could be essentially re-downloading, like, the size of Warzone," he said. "And every time we've done that, we lose players," Bridge continued. "Because you're kind of like, 'I don't want to re-download that,' [so you] uninstall. I think you can't fit anything else but Warzone on a base PS4."

Bridge is exaggerating, but only a little. Activision says you need a whopping 175GB of hard drive space on PC for a Warzone install. On Xbox, the base download is listed at nearly 92GB, similar to the size on PlayStation systems. Adding Modern Warfare onto the Warzone package increases the total size to about 250GB on PC and 150GB on consoles. About a year ago, Activision announced that the "larger than usual" Warzone "Season 2 Reloaded" patch would reduce the game's "overall footprint" on hard drives by 10-15GB (and 30-35GB when combined with Modern Warfare, depending on the platform). The "data optimization and streamlining" in that update would also ensure that "future patch sizes for Modern Warfare and Warzone [would] be smaller" than the 57GB update being offered at that point.

The results over the ensuing year have been mixed. A February Season 2 patch required only about 11GB of file downloads, for instance, while a December 7 update that introduced new maps required a 41-45 GB download on consoles. [...] In any case, Bridge was remarkably frank about Warzone's file size issues and said that "looking to the future, we're putting a lot more effort into how we sort that out on a technical level so that we can have that [map] rotation. We've been really looking at it, so we'll have more to talk about that, but that is ultimately a goal to ensure that there's a freshness and a variety of experiences."

Transportation

Can VW's Electrify America Make EV Charging Stations a 'Customer Oasis'? (thedrive.com) 85

Tesla has a vast network of over 30,000 superchargers spread across the globe. But there's also already another network of over 730 D.C. charging stations spread across the U.S. by "Electrify America."

Thank Volkswagen, which founded the company as part of a $2 billion agreement to create clean car infrastructure in America after admitting it had cheated on diesel emissions tests, Reuters reported in 2017.

But now they're trying to upgrade the vehicle-charging experience into a "customer oasis," reports The Drive: Chargers are typically out in the middle of nowhere with nothing else to do, not very well lit, use hardware that very much feels like it was the first iteration of something, and are often just not very nice places to be. Electrify America, evidently, knows this and is planning to massively improve the electric car charging experience by appearing to model its new flagship charging stations after something we already know and are comfortable with: gas stations. The new locations are said to be designed aesthetically with its surrounding communities in mind and have been described with words like "customer oasis."

Housing up to 20 DC fast chargers, the new EA stations will feature solar canopies that do double duty in helping provide electricity for the cars and covering customers from the elements, a lot like how most gas stations have roofs. In addition to being part of these new fancy stations right out of the gate, Electrify America says it's also retrofitting similar awnings to 100 existing stations across the U.S., covering 400-500 individual chargers...

Further making these stations a nice place to hang out is the presence of lounges and possibly even EV showcase areas. Ones located at shopping centers may even feature valet charging and curbside delivery services....

As somebody who staunchly believes that the public charging infrastructure is, far and away, the least appealing part of owning a non-Tesla EV, it all looks and sounds very enticing. However, like all big and new things, it'll be coming to the two coastal U.S. regions first. Electrify America's new flagship charging stations will be installed throughout 2022 and 2023 exclusively in California and New York, with the company specifically namechecking Santa Barbara, San Francisco, San Diego, Beverly Hills, Manhattan, and Brooklyn. Existing flagship locations can be found in Baker and Santa Clara, California.

Newsweek adds that the company "will also expand the deployment of battery energy storage systems to 150 sites. These systems store energy when electricity costs are low and deploys it to supplement a surge in a station's overall energy demand."
Data Storage

DirectStorage Shows Just Minor Load-Speed Improvements In Real-World PC Demo (arstechnica.com) 23

Andrew Cunningham writes via Ars Technica: Microsoft's DirectStorage API promises to speed up game-load times, both on the Xbox Series X/S and on Windows PCs (where Microsoft recently exited its developer-preview phase). One of the first games to demonstrate the benefits of DirectStorage on the PC is Square Enix's Forspoken, which was shown off by Luminous Productions technical director Teppei Ono at GDC this week. As reported by The Verge, Ono said that, with a fast NVMe SSD and DirectStorage support, some scenes in Forspoken could load in as little as one second. That is certainly a monstrous jump from the days of waiting for a PlayStation 2 to load giant open-world maps from a DVD.

As a demonstration of DirectStorage, though, Forspoken's numbers are a mixed bag. On one hand, the examples Ono showcased clearly demonstrate DirectStorage loading scenes more quickly on the same hardware, compared to the legacy Win32 API -- from 2.6 seconds to 2.2 seconds in one scene, and from 2.4 seconds to 1.9 seconds in another. Forspoken demonstrated performance improvements on older SATA-based SSDs as well, despite being marketed as a feature that will primarily benefit NVMe drives -- dropping from 5.0 to 4.6 seconds in one scene, and from 4.1 to 3.4 seconds in another. Speed improvements for SATA SSDs have been limited for the better part of a decade now because the SATA interface itself (rather than the SSD controller or NAND flash chips) has been holding them back. So eking out any kind of measurable improvement for those drives is noteworthy.

On the other hand, Ono's demo showed that game load time wasn't improving as dramatically as the raw I/O speeds would suggest. On an NVMe SSD, I/O speeds increased from 2,862MB/s using Win32 to 4,829MB/s using DirectStorage -- nearly a 70 percent increase. But the load time for the scene decreased from 2.1 to 1.9 seconds. That's a decrease that wouldn't be noticeable even if you were trying to notice it. The Forspoken demo ultimately showed that the speed of the storage you're using still has a lot more to do with how quickly your games load than DirectStorage does. One scene that took 24.6 seconds to load using DirectStorage on an HDD took just 4.6 seconds to load on a SATA SSD and 2.2 seconds to load on an NVMe SSD. That's a much larger gap than the one between Win32 and DirectStorage running on the same hardware.

Desktops (Apple)

Mac Studio Storage Not User-Upgradeable Due to Software Block (macrumors.com) 204

Despite being easily removable since it is not soldered down, the Mac Studio's SSD storage is not currently user-upgradeable due to a software block, YouTuber Luke Miani has discovered. MacRumors reports: Initial teardowns suggested that the Mac Studio's storage could be upgradeable since it is not soldered in place. Each Mac Studio contains two internal SSD slots, and the SSDs themselves can be freely swapped between the connectors. In a video on his YouTube channel, Miani tested if the Mac Studio's storage is user upgradeable in practice. Miani wiped the SSD of a Mac Studio, removed it from the machine, and inserted it into an empty SSD slot in another Mac Studio, but the Mac's status light blinked SOS and would not boot.

The Mac Studio recognizes the SSD, but Apple's software prevents it from booting, suggesting that this is a conscious decision by Apple to prevent users from upgrading their storage themselves. On its website, Apple claims that the Mac Studio's SSD storage is "not user accessible" and encourages users to configure the device with enough storage at the point of purchase. It now seems that the purpose of the easily replaceable storage is to aid repairs performed by authorized technicians, who likely will have software tools that enable the Mac Studio to boot from different internal storage. Since the prevention of user-upgradeability appears to simply be due to a software block, Apple could enable users to upgrade their own storage in the future via an update.

Slashdot Top Deals