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From the join-us-now department: Thursday the Free Software Foundation announced plans for a celebratory hackathon in November to improve free/libre software "in honor of its fortieth anniversary.
The FSF has been campaigning for software freedom for over forty years. As part of its celebrations, the organization is inviting the wider free software community (both projects and individual contributors) to participate in a global, online hackathon to help improve important libre software projects.
All free software projects, regardless of affiliation or (free) license, are invited to participate. As of now, the advanced GNU/Linux distribution and package manager GNU Guix, the boot software distribution GNU Boot, the media publishing system MediaGoblin, and the Free Software Directory, the FSF's catalog of useful free software, have announced that they will submit a project. Interested contributors are encouraged to review the hackathon guidelines, which the FSF has made available online...
Hackathon contributions will be judged by a panel appointed by the FSF. The project and contributors making the most noteworthy contributions/patches will be given prizes by the Foundation. The hackathon will conclude with a closing ceremony.
"The FSF's free software hackathon will be held November 21-23, 2025," according to the announcement. "Submissions will be open until May 27."
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From the pessimism-is-contagious department: Dr. Paul Offit, an expert on infectious disease and immunology, told the Guardian that "We're living in a post-herd-immunity world. I think the measles outbreak proves that. Measles — because it is the most contagious of the vaccine-preventable diseases, the most contagious human disease really — it is the first to come back."
Three large outbreaks in Canada, Mexico and the US now account for the overwhelming majority of roughly 2,300 measles cases across the World Health Organization's six-country Americas region, according to the health authority's update this week. Risk of measles is considered high in the Americas, and has grown 11-fold compared with 2024. Only slightly behind, data released earlier this week from the European Centre for Disease Prevention and Control (ECDC) and WHO also noted that measles cases across Europe were up tenfold in 2024 compared to 2023. That data also indicated that the 2024 measles cases in Europe followed a seasonal pattern, which was not previously noted in 2021 through 2023. Of the European cases, which reportedly hit 35,212 for 2024, 87% were reported in Romania. The ECDC said the dip in vaccine rates has impacted the recent spike in measles, with only three countries, Hungary, Malta and Portugal, having coverage of 95% or more for both doses of the measles vaccine.
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From the search-results department: An anonymous reader shared this report from The Verge:
Firefox could be put out of business should a court implement all the [U.S.] Justice Department's proposals to restrict Google's search monopoly, an executive for the browser owner Mozilla testified Friday. "It's very frightening," Mozilla CFO Eric Muhlheim said.
The Department of Justice wants to bar Google from paying to be the default search engine in third-party browsers including Firefox, among a long list of other proposals including a forced sale of Google's own Chrome browser and requiring it to syndicate search results to rivals. The court has already ruled that Google has an illegal monopoly in search, partly thanks to exclusionary deals that make it the default engine on browsers and phones, depriving rivals of places to distribute their search engines and scale up. But while Firefox — whose CFO is testifying as Google presents its defense — competes directly with Chrome, it warns that losing the lucrative default payments from Google could threaten its existence.
Firefox makes up about 90 percent of Mozilla's revenue, according to Muhlheim, the finance chief for the organization's for-profit arm — which in turn helps fund the nonprofit Mozilla Foundation. About 85 percent of that revenue comes from its deal with Google, he added. Losing that revenue all at once would mean Mozilla would have to make "significant cuts across the company," Muhlheim testified, and warned of a "downward spiral" that could happen if the company had to scale back product engineering investments in Firefox, making it less attractive to users. That kind of spiral, he said, could "put Firefox out of business." That could also mean less money for nonprofit efforts like open source web tools and an assessment of how AI can help fight climate change.
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From the raking-in-the-chips department: "It is the fastest, most efficient transistor ever," proclaims an announcment from Peking University. "And most important of all, there's no trace of silicon involved," adds ZME Science.
From the South China Morning Post:
A team of researchers at Peking University claims to have shattered chip performance limits and proven that China can use new materials to "change lanes" in the semiconductor race by circumventing silicon-based roadblocks entirely.
The researchers, led by physical chemistry professor Peng Hailin, said their self-engineered 2D transistor could operate 40 per cent faster than Intel and TSMC's cutting-edge 3-nanometre silicon chips, while consuming 10 per cent less energy.... "While this path is born out of necessity due to current sanctions, it also forces researchers to find solutions from fresh perspectives," [Hailin] added.
"Peking's major innovation comes from the two-dimensional nature of their transistors, facilitated by using an element other than silicon," writes Tom's Hardware:
BiâOâSe, or bismuth oxyselenide, is a semiconductor material studied for its use in sub-1nm process nodes for years, largely thanks to its ability to be a 2D semiconductor. Two-dimensional semiconductors, like 2D BiâOâSe, are more flexible and sturdy at a small scale than silicon, which runs into reduced carrier mobility at even the 10nm node. Such breakthroughs into stacked 2D transistors and the move from silicon to bismuth are exciting for the future of semiconductors and are necessary for the Chinese industry to compete on the leading edge of semiconductors.
ZME Science adds this note of skepticism. "Turning laboratory breakthroughs into commercial chips typically takes years — sometimes decades..."
Thanks to Slashdot reader schwit1 for sharing the article.
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From the wanna-bet? department: In 2016, an online "swarm intelligence" platform stunned horse-racing fans by making a correct prediction for the Kentucky Derby — naming all four top finishers in order. (But the next year its predictions weren't even close, with TechRepublic suggesting 2016's race just had an unusual cluster of obvious picks.)
Since then it's become almost a tradition — asking AI to predict the winning horses each year, then see how close it came. So before today's race, a horse named "Journalism" was given the best odds of winning by professional bookmakers — but could AI make a better prediction? USA Today reports:
The USA TODAY Network asked Microsoft Copilot AI to simulate the order of finish for the 2025 Kentucky Derby field based on the latest, odds, predictions and race factors on Thursday, May 1. Journalism came out on top in its projection. The AI-generated response cited Journalism's favorable post position (No. 8), which has produced the second-most Kentucky Derby winners and a four-race winning streak that includes last month's Santa Anita Derby.
ChatGPT also picked the exact same horse, according to FanDuel. But in fact, the winning horse turned out to be "Sovereignty" (a horse Copilot predicted would finish second). Meanwhile Copilot's pick for first place ("Journalism") finished in second.
But after that Copilot's picks were way off...
Copilot's pick for third place was a horse named Rodriguez — which hours later was scratched from the race altogether. (And the next day Copilot's pick for 10th place was also scratched.)
Copilot's pick for fourth place was "Sandman" — who finished in 18th place.
Copilot's pick for fifth place was "Burnham Square" — who finished in 11th place.
Copilot's pick for sixth place was "Luxor Cafe" — who finished in 10th place
Copilot's pick for seventh place was "Render Judgment" — who finished in 16th place...
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From the space-junk department: There's 9,000 satellites circling the earth, the Guardian points out, with projections over over 60,000 by 2040.
But "A new study shows that the emissions from expired satellites, as they fall to Earth and burn up, will be significant in future years, with implications for ozone hole recovery and climate."
Most old satellites are disposed of by reducing their altitude and letting them burn up as they fall, releasing pollution into Earth's atmosphere such as aerosolised aluminium. To understand the impact of these growing emissions from expired satellites, researchers simulated the effects associated with an annual release of 10,000 tonnes of aluminium oxide by 2040 (the amount estimated to be released from disposal of 3,000 satellites a year, assuming a fleet of 60,000 satellites).
The results, which are published in Journal of Geophysical Research Atmospheres, show that the re-entry material will accumulate at high latitudes and could result in temperature anomalies of up to 1.5C in the middle to upper atmosphere, reduction of wind speeds and ozone depletion, which could jeopardise ozone hole recovery.
"At present, impacts on the middle and the upper atmosphere are small," the researchers write, "but have the potential to increase." They argue that "to shed light upon the potential climate impacts of increased satellite reentry," an "expanded effort, including observations and modeling is needed."
Thanks to long-time Slashdot reader AmiMoJo for sharing the article.
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From the sun-run department: Long-time Slashdot reader AmiMoJo shares an article from Renewables Now: Chinese tech company Leapting has successfully completed its first commercial deployment of photovoltaic (PV) modules with an AI-driven solar module mounting robot in Australia. The Chinese company was tasked with supporting the installation of French Neoen's (EPA:NEOEN) 350-MW/440-MWp Culcairn Solar Farm in New South Wales' Riverina region. Shanghai-based Leapting said this week that its intelligent robot has installed almost 10,000 modules at an "efficient, safe, and stable" pace that has "significantly" reduced the original construction timeline. Litian Intelligent was deployed at the Australian project site in early February. The machine has a 2.5-metre-high robotic arm sitting on a self-guided, self-propelled crawler. Equipped with a navigation system, and visual recognition technology, it can lift and mount PV panels weighing up to 30 kilograms. By replacing labour-intensive manual operations, the robot shortens the module installation cycle by 25%, while the installation efficiency increases three to five times as compared to manual labour and is easily adapted to complex environments, Leapting says.
Or, as Clean Technica puts it, "Meet the robot replacing four workers at a time on solar projects."
This is part of a broader industrial trend. In the United States, Rosendin Electric demonstrated its own semi-autonomous system in Texas that allowed a two-person team to install 350 to 400 modules per day, a clear step-change from traditional methods. AES Corporation has been developing a robot called Maximo that combines placement and fastening with computer vision. Trina Solar's Trinabot in China operates in a similar space, with prototype systems demonstrating 50-plus modules per hour... In an industry where time-to-energy is critical, shaving weeks off the construction schedule directly reduces costs and increases net revenue...
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From the main-event-horizon department: "Researchers have created the first laboratory analog of the 'black hole bomb'," reports ScienceAlert, "a theoretical concept developed by physicists in the 1970s..."
There's no black hole involved; their experiment just simulates the "electromagnetic analogue" of the theoretical concept — the "exponential runaway amplification of spontaneously generated electromagnetic modes."
Or, as ScienceAlert puts it, "It doesn't, just to set your mind at ease, pose any danger. It consists of a rotating aluminum cylinder, placed inside layers of coils that generate magnetic fields that rotate around it, at controllable speeds."
As Roger Penrose proposed in 1971, the powerful rotational energy of a spinning black hole could be used to amplify the energy of nearby particles. Then, physicist Yakov Zel'Dovich figured out that you didn't need a black hole to see this phenomenon in action. An axially symmetrical body rotating in a resonance chamber, he figured, could produce the same energy transfer and amplification, albeit on a much smaller scale. Later work by other physicists found that, if you enclose the entire apparatus in a mirror, a positive feedback loop is generated, amplifying the energy until it explodes from the system.
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From the working-at-scale department: Long-time Slashdot reader piojo writes: Tim Friede, Wisconsin man, has been injecting himself with snake venom for 18 years to gain protection from his pet snakes. The antibodies he developed have formed two components of a three-part antivenom, which gives partial or total protection against 18 of 19 species of venomous snakes that were tested. Notably, the antivenom is ineffective against vipers.
From Australia's public broadcaster ABC:
The team's results have been published today in the journal Cell... The new antivenom described in the study is very different to traditional antivenoms, according to Peter Kwong, a biochemist at Columbia University and one of the study's authors.
The scientists call their new antivenom "unparallel," according to the BBC, though the snake enthusiast (a former truck mechanic) had "initially wanted to build up his immunity to protect himself when handling snakes, documenting his exploits on YouTube."
The team is trying to refine the antibodies further and see if adding a fourth component could lead to total protection against elapid snake venom... "Tim's antibodies are really quite extraordinary — he taught his immune system to get this very, very broad recognition," said Professor Peter Kwong [one of the researchers at Columbia University].
In a video interview, CNN shows footage of the man inducing snake bites (calling it "a classic do-not-try-this-at-home moment"). "I have a lot of notes in Excel files," he tells CNN, "where I hit these particular windows to where I know I can boost up before a bite."
"I don't just take the bite, because that can kill you. I properly boost up, and methodically take notes, and weigh the venomes out very specifically..."
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From the pulling-on-Threads department: Threads has now grown to over 350 million monthly active users, reports TechCrunch, citing Mark Zuckerberg's comments on a company earnings call. That means Threads grew by 9.4% in roughly 90 days:
That's an increase of 30 million users since the prior quarter, where Meta reported that Threads had 320 million users. The new figure represents increased growth, as Threads added 30 million in the first quarter of this year, compared with 20 million in Q4 2024.
It's also worth noting that in a single quarter, Threads added nearly the same number of users to its network as one of its newer competitors, Bluesky. The latter, a decentralized social app, today has roughly 35 million users.
Zuckerberg also said there's been a 35% increase in time spent on Threads, according to the article, as a result of improvements to its recommendations systems.
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From the celebrating-software department: May is Maintainer Month: Celebrating those who secure Open Source
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The Open Source Initiative is joining "a global community of contributors" for GitHub's annual event "honoring the individuals who steward and sustain Open Source projects."
And the theme of the 4th Annual "Maintainer Month" will be: securing Open Source:
Throughout the month, OSI and our affiliates will be highlighting maintainers who prioritize security in their projects, sharing their stories, and providing a platform for collaboration and learning... Maintainer Month is a time to gather, share knowledge, and express appreciation for the people who keep Open Source projects running. These maintainers not only review issues and merge pull requests — they also navigate community dynamics, mentor new contributors, and increasingly, adopt security best practices to protect their code and users....
- OSI will publish a series of articles on Opensource.net highlighting maintainers whose work centers around security...
- As part of our programming for May, OSI will host a virtual Town Hall [May 21st] with our affiliate organizations and invite the broader Open Source community to join....
- Maintainer Month is also a time to tell the stories of those who often work behind the scenes. OSI will be amplifying voices from across our affiliate network and encouraging communities to recognize the people whose efforts are often invisible, yet essential.
"These efforts are not just celebrations — they are opportunities to recognize the essential role maintainers play in safeguarding the Open Source infrastructure that underpins so much of our digital world," according to the OSI's announcement. And this year they're focusing on three key areas of open source security:
Adopting security best practices in projects and communities
Recognizing contributors who improve project security
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From the gold-records department: Slashdot reader sciencehabit shares this excerpt from a new article in Science magazine:
At first, astronomers knew of only one cosmic scenario that fit the bill for the violent formation of "jewelry shop" elements [gold and sliver]: the collision of two ultra-dense stellar corpses called neutron stars.
Now, a second has stepped onto the scene.
As they report this week in The Astrophysical Journal Letters, researchers have discovered signatures of this heavy element formation — called the r-process — in a giant flare first detected from a highly magnetic neutron star in 2004. The flare, which released more energy than our Sun does in a million years as it spewed electrically charged material, has remained shrouded in mystery since its discovery 20 years ago. Researchers quickly traced the outburst to a nearby magnetar, a special breed of neutron star whose magnetic fields are trillions times stronger than Earth's. But ten minutes after the massive flare, a second, fainter signal inexplicably came from the same star.
More r-process sources may still be looming in the dark. The new study accounts for about 10% of the Milky Way's heavy elements, suggesting that astronomers will have to scour the cosmos for even more places where the r-process is hiding. One potential spot is a rare type of supernova that births rapidly rotating neutron stars, says says Anirudh Patel, the new study's lead author and an astronomer at Columbia University. He hopes that with more observations, astronomers will be able to sharpen that picture.... "It's humbling to realize that these were made in such extreme astrophysical environments."
This week’s tips roundup will help you snag valuable items in Monster Hunter Wilds, collect all three tokens in Clair Obscur’s party scene, and harness Assassin’s Creed Shadows’ afflictions against your foes, among other things. Read on for all of the week’s best pointers.
The Atlantic Warns Combining US Government Databases Could Create a 'Panopticon' 2025-05-03 13:25:01
This week saw gaming website Polygon sold to Valnet, the company that owns Screen Rant and Game Rant among other sites, and many of its staffers laid off. Meanwhile publication at another gaming site, Giant Bomb, is currently on hold as owner Fandom engages in what it calls a “strategic reset and realignment of our…
