AmiMoJo shares a report from the BBC: Renewable energy overtook coal as the world's leading source of electricity in the first half of this year -- a historic first, according to new data from the global energy think tank Ember. Electricity demand is growing around the world but the growth in solar and wind was so strong it met 100% of the extra electricity demand, even helping drive a slight decline in coal and gas use. However, Ember says the headlines mask a mixed global picture.

Developing countries, especially China, led the clean energy charge but richer nations including the US and EU relied more than before on planet-warming fossil fuels for electricity generation. This divide is likely to get more pronounced, according to a separate report from the International Energy Agency (IEA). It predicts renewables will grow much less strongly than forecast in the US as a result of the policies of President Donald Trump's administration. Coal, a major contributor to global warming, was still the world's largest individual source of energy generation in 2024, a position it has held for more than 50 years, according to the IEA.

Air pollution increases the likelihood of people becoming frail in middle and old age, according to an international review of studies. The Guardian: The review team found 10 studies that looked at outdoor air pollution and frailty. The people studied came from 11 countries including China, the UK, Sweden, South Africa and Mexico. Two of the studies showed that men were more vulnerable than woman, with a stronger association between particle pollution and frailty. The risk of frailty increased with outdoor particle pollution. For the UK, this could mean about 10-20% of frailty cases are attributable to air pollution.

Exposure to secondhand smoking was the environmental factor that presented the greatest risk of frailty. The risk of frailty was increased by about 60% for people who breathed other people's smoke at home. Using solid fuels for cooking or home heating also carried an extra risk of frailty. This was about half the risk of living with a smoker, based on studies from six countries.

MLB has approved the use of robot umpires in the 2026 season. According to ESPN, the system will give teams two challenges per game for balls and strikes where hitters, pitchers, and catchers can request reviews. From the report: Hitters, pitchers and catchers will be the only ones allowed to trigger the system by tapping their head, and if a challenge is successful -- the pitch will be shown on in-stadium videoboards -- teams will retain it. While the vote in favor of the automated ball-strike challenge system was not unanimous -- some of the four players on the 11-man committee voted no, according to sources -- the vote was a fait accompli, with MLB owners all in favor and in possession of a six-seat majority on the committee.

The ABS system uses similar technology to the line-calling system in tennis, with 12 cameras in each ballpark tracking the ball with a margin of error around one-sixth of an inch. The ABS zone will be a two-dimensional plane in the middle of the plate that spans its full width (17 inches). The zone's top will be 53.5% of a player's height and the bottom 27%. Teams that run out of challenges over the first nine innings will be granted an extra challenge in the 10th inning, while those that still have unused challenges will simply carry them into extras. If a team runs out of challenges in the 10th, it will automatically receive another in the 11th -- a rule that extends for any extra inning.

During the league's spring training test this season, teams combined to average around four challenges per game and succeeded 52.2% of the time, according to the league. Catchers, whose value in framing pitches outside the zone to look like strikes could take a hit due to the new rule, were the most successful at a 56% overturn rate, while hitters were correct 50% of the time and pitchers 41%. MLB's minor league testing, which started in 2021, led to Triple-A players in 2023 using ABS challenge three days a week and a full ABS system, with every pitch adjudicated by computer, the other three.

An anonymous reader quotes a report from TechCrunch: Carla Rover once spent 30 minutes sobbing after having to restart a project she vibe coded. Rover has been in the industry for 15 years, mainly working as a web developer. She's now building a startup, alongside her son, that creates custom machine learning models for marketplaces. She called vibe coding a beautiful, endless cocktail napkin on which one can perpetually sketch ideas. But dealing with AI-generated code that one hopes to use in production can be "worse than babysitting," she said, as these AI models can mess up work in ways that are hard to predict.

She had turned to AI coding in a need for speed with her startup, as is the promise of AI tools. "Because I needed to be quick and impressive, I took a shortcut and did not scan those files after the automated review," she said. "When I did do it manually, I found so much wrong. When I used a third-party tool, I found more. And I learned my lesson." She and her son wound up restarting their whole project -- hence the tears. "I handed it off like the copilot was an employee," she said. "It isn't."

Rover is like many experienced programmers turning to AI for coding help. But such programmers are also finding themselves acting like AI babysitters -- rewriting and fact-checking the code the AI spits out. A recent report by content delivery platform company Fastly found that at least 95% of the nearly 800 developers it surveyed said they spend extra time fixing AI-generated code, with the load of such verification falling most heavily on the shoulders of senior developers. These experienced coders have discovered issues with AI-generated code ranging from hallucinating package names to deleting important information and security risks. Left unchecked, AI code can leave a product far more buggy than what humans would produce.

Working with AI-generated code has become such a problem that it's given rise to a new corporate coding job known as "vibe code cleanup specialist." TechCrunch spoke to experienced coders about their time using AI-generated code about what they see as the future of vibe coding. Thoughts varied, but one thing remained certain: The technology still has a long way to go. "Using a coding co-pilot is kind of like giving a coffee pot to a smart six-year-old and saying, 'Please take this into the dining room and pour coffee for the family,'" Rover said. Can they do it? Possibly. Could they fail? Definitely. And most likely, if they do fail, they aren't going to tell you. "It doesn't make the kid less clever," she continued. "It just means you can't delegate [a task] like that completely." Further reading: The Software Engineers Paid To Fix Vibe Coded Messes

An anonymous reader shares a column: After nearly 30 years of USB-A connectivity, the market is now transitioning to the convenient USB-C standard, which makes sense given that it supports higher speeds, display data, and power delivery. The symmetrical connection is also smaller and more user-friendly, as it's reversible and works with smartphones and tablets. I get that USB-C is inevitable, but tech brands should realize that the ubiquitous USB-A isn't going anywhere soon and stop removing the ports we need to run our devices.

[...] It's premature for brands to phase out USB-A when peripheral brands are still making compatible products in 2025. For example, Logitech's current wireless pro gaming mice connect using a USB-A Lightspeed dongle, and most Seagate external drives still use USB-A as their connection method. The same can be said for other memory sticks, keyboards, wireless headsets, and other new devices that are still manufactured with a USB-A connection.

I have a gaming laptop with two USB-A and USB-C ports, and it's a constant struggle to connect all my devices simultaneously without needing a hub. I use the two USB-A ports for my mouse and wireless headset dongles, while a phone charging cable and portable monitor take up the USB-Cs. This setup stresses me out because there's no extra space to connect anything else without losing functionality.

Uber's Indian arm has started using its app to offer rideshare and delivery drivers the chance to make money by classifying data used by AI systems. From a report: Megha Yethadka, global head of Uber AI Solutions, revealed the new gigs in a Thursday LinkedIn post in which she said drivers sometimes have downtime during the day or might want to make some extra cash after hours. Yethadka said the work can involve reviewing photos, counting objects, classifying text, recording audio, or digitizing receipts.

She said the gigs are "Powering our enterprise customers worldwide for their gen AI models or consumer applications." "Until now, these tasks were completed by independent contractors outside the app," Yethadka wrote. "The early results are very promising, and we're eager to scale this further." In an accompanying video, she mentioned "worldwide" expansion for the offering. Prabhjeet Singh, Uber's president for India and South Asia, said the gigs are available in 12 cities and that "tens of thousands of drivers" are already performing what Uber calls "digital tasks."

A long-term study of over 12,000 adults suggests that artificial sweeteners like aspartame, saccharin, and sugar alcohols may accelerate cognitive decline in middle age, equivalent to about 1.6 years of extra aging. The Guardian reports: Sweeteners' association with cognitive decline is of such concern that consumers should instead use either tagatose, a natural sweetener, or alternatives such as honey or maple syrup, the researchers said. They looked at the impact of seven sweeteners on the health of the study's participants -- 12,772 civil servants in Brazil, with an average age of 52 -- who were followed up for on average eight years. Participants completed questionnaires detailing their food and drink intake over the previous year, and later underwent tests of their cognitive skills such as verbal fluency and word recall.

People who consumed the most sweeteners experienced declines in their thinking and memory skills 62% faster than those with the lowest intake, the researchers found. This was "the equivalent of about 1.6 years of aging," the researchers said. Consumption of combined and individual LNCs, particularly aspartame, saccharin, acesulfame K, erythritol, sorbitol and xylitol, was associated with cognitive loss. "Daily consumption of LNCs was associated with accelerated decline in memory, verbal fluency and global cognition," the authors say in their paper, published in the American medical journal Neurology. However, the trend was only observed in participants under the age of 60. That shows that middle-aged adults need to be encouraged to use fewer sweeteners, they added.

An anonymous reader quotes a report from Ars Technica: AMD's X3D-series Ryzen chips have become popular with PC gamers because games in particular happen to benefit disproportionately from the chips' extra 64MB of L3 cache memory. But that extra memory occasionally comes with extra headaches. Not long after they were released earlier this year, some early adopters started having problems with their CPUs, ranging from failure to boot to actual physical scorching and burnout -- the problems were particularly common for users of the 9800X3D processor in ASRock motherboards, and one Reddit thread currently records 157 incidents of failure for that CPU model across various ASRock boards.

In an interview with the Korean language website Quasar Zone (via Tom's Hardware), AMD executives David McAfee and Travis Kirsch acknowledged the problems and pointed to the most likely culprit: motherboard makers who don't follow AMD's recommended specifications. Some manufacturers have historically shipped their AMD and Intel motherboards with elevated default power settings in the interest of squeezing a bit more performance out of the chips -- but those adjustments can also cause problems in some cases, especially for higher-end CPUs.

Living through extreme heat waves can accelerate your rate of aging, according to research published Monday. From a report: Scientists analyzed 15 years' worth of health data from nearly 25,000 adults in Taiwan and found that two years of exposure to heat waves could speed up a person's so-called biological aging by eight to 12 extra days. It may not sound like a lot, but this number builds over time, said Cui Guo, an assistant professor at the University of Hong Kong who led the study, which was published Monday in the journal Nature Climate Change.

"This small number actually matters," she said. "This was a study of a two-year exposure, but we know heat waves have actually been occurring for decades." The research comes as human-induced climate change is making heat waves more intense and long-lasting. The West Coast of the United States is suffering from sweltering temperatures while Iran is experiencing searing heat. Record-breaking temperatures punished Europe, Japan and Korea earlier this month. France recently experienced its second heat wave of the summer, sparking a national debate over air-conditioning.

More than 30,000 Python developers from around the world answered questions for the Python Software Foundation's annual survey — and PSF Fellow Michael Kennedy tells the Python community what they've learned in a new blog post. Some highlights: Most still use older Python versions despite benefits of newer releases... Many of us (15%) are running on the very latest released version of Python, but more likely than not, we're using a version a year old or older (83%). [Although less than 1% are using "Python 3.5 or lower".] The survey also indicates that many of us are using Docker and containers to execute our code, which makes this 83% or higher number even more surprising... You simply choose a newer runtime, and your code runs faster. CPython has been extremely good at backward compatibility. There's rarely significant effort involved in upgrading... [He calculates some cloud users are paying up to $420,000 and $5.6M more in compute costs.] If your company realizes you are burning an extra $0.4M-$5M a year because you haven't gotten around to spending the day it takes to upgrade, that'll be a tough conversation...

Rust is how we speed up Python now... The Python Language Summit of 2025 revealed that "Somewhere between one-quarter and one-third of all native code being uploaded to PyPI for new projects uses Rust", indicating that "people are choosing to start new projects using Rust". Looking into the survey results, we see that Rust usage grew from 27% to 33% for binary extensions to Python packages... [The blog post later advises Python developers to learn to read basic Rust, "not to replace Python, but to complement it," since Rust "is becoming increasingly important in the most significant portions of the Python ecosystem."]

PostgreSQL is the king of Python databases, and only it's growing, going from 43% to 49%. That's +14% year over year, which is remarkable for a 28-year-old open-source project... [E]very single database in the top six grew in usage year over year. This is likely another indicator that web development itself is growing again, as discussed above...

[N]early half of the respondents (49%) plan to try AI coding agents in the coming year. Program managers at major tech companies have stated that they almost cannot hire developers who don't embrace agentic AI. The productive delta between those using it and those who avoid it is simply too great (estimated at about 30% greater productivity with AI).
It's their eighth annual survey (conducted in collaboration with JetBrains last October and November). But even though Python is 34 years old, it's still evolving. "In just the past few months, we have seen two new high-performance typing tools released," notes the blog post. (The ty and Pyrefly typecheckers — both written in Rust.) And Python 3.14 will be the first version of Python to completely support free-threaded Python... Just last week, the steering council and core developers officially accepted this as a permanent part of the language and runtime... Developers and data scientists will have to think more carefully about threaded code with locks, race conditions, and the performance benefits that come with it. Package maintainers, especially those with native code extensions, may have to rewrite some of their code to support free-threaded Python so they themselves do not enter race conditions and deadlocks.

There is a massive upside to this as well. I'm currently writing this on the cheapest Apple Mac Mini M4. This computer comes with 10 CPU cores. That means until this change manifests in Python, the maximum performance I can get out of a single Python process is 10% of what my machine is actually capable of. Once free-threaded Python is fully part of the ecosystem, I should get much closer to maximum capacity with a standard Python program using threading and the async and await keywords.
Some other notable findings from the survey:

• Data science is now over half of all Python. This year, 51% of all surveyed Python developers are involved in data exploration and processing, with pandas and NumPy being the tools most commonly used for this.

• Exactly 50% of respondents have less than two years of professional coding experience! And 39% have less than two years of experience with Python (even in hobbyist or educational settings)...

• "The survey tells us that one-third of devs contributed to open source. This manifests primarily as code and documentation/tutorial additions."

An anonymous reader quotes a report from The Verge's Victoria Song: The original Pixel Watch was late to the game. For years, there had been rumors of a Google smartwatch that never materialized. Then, when it finally arrived, it was a quintessential first-gen device, with thicc bezels, dismal battery life, and a host of quirks that needed ironing out. My DMs were full of people wondering when the watch would be unceremoniously dumped into Google's infamous product graveyard. A part of me wondered if Google was going to spend the next decade playing catch-up. Fast forward to 2025, and I'm holding the Pixel Watch 4 at Google's office in New York City. On the surface (and my wrist), it doesn't look like much has changed. But after fiddling with a few menus, watching some demos, and talking over the updates, it's evident that Google has a clear vision about where smartwatches are going. [...]

Starting with hardware, the Pixel Watch 4 has a new domed "Actua 360" display -- as in, the display itself, not just the glass, is also domed. What this translates to is about 10 percent more visible screen space, 15 percent thinner bezels, and a 50 percent increase in maximum brightness to 3,000 nits. On a table, there's a lineup of the Pixel Watch 2, 3, and 4 with the flashlight app turned on. Side-by-side, the improvements are striking. Material 3 Expressive in Wear OS 6also helps emphasize the Pixel Watch's roundness. (No squircles here, folks.) The widgets have more rounded edges, and each screen has been redesigned to be more glanceable, fitting more complications. It's not Liquid Glass, but there are subtle animations when flitting through menus that call your attention to the Pixel Watch's rain droplet-inspired design. Altogether, it's a design tweak that makes senseandis aesthetically pleasing. Google also says battery life has improved. The 41mm watch gets an estimated 30 hours on a single charge, while the 45mm gets 40 hours. That can stretch up to two days in battery saver mode for the smaller watch and three days for the larger one. I couldn't test that at a hands-on, but I did get to see the improved fast charging in action.

As with theGalaxy Watch 8, Gemini has a big presence on the Pixel Watch 4. It replaces Google Assistant and is capable of more complex queries -- even if none have been able to blow my mind yet. But, in a bid to make interacting with Gemini as smooth as possible, the speaker and haptic engines have also been updated so you can hear and interact more easily. There's also a new raise-to-talk gesture that lets you speak to Gemini without having to use the wake word. The processor has been upgraded to the Snapdragon W5 Gen 2 to enable more on-device AI features, as well, like smart replies. On the Pixel Watch 4, you'll get more smart reply options to texts that refer to the content of your conversations. They're not confined to the default Messages app, either. But the major AI update this time around is a Gemini-powered health coach that's slated to arrive alongside a revamped Fitbit app in October. ... The gist is the health coach will act more like a personal trainer than a Captain Obvious summary generator. If you sleep poorly, it'll adjust workout suggestions. (This is also why Google is also introducing an improved sleep algorithm.) You can tell it that you've been injured, and that too will be taken into consideration when generating weekly fitness plans. [...]

Another big first is the Satellite SOS mode. If you're without your phone and in a remote area with no signal, you can still call emergency services. (So long as you have the LTE version of the watch.) The big thing here is that there's no extra subscription cost. The watch will also feature more accurate dual-frequency GPS -- a nice update given that I've had issues with the Pixel Watch's GPS maps in the past. The Pixel Watch 4 is priced at $349.99 and is available for pre-order now.

In a pair of class actions filed this week, passengers from each coast quibbled with United Airlines and Delta Air Lines' policies charging extra for window seats that are not actually beside windows, instead offering a view of a blank aircraft wall. From a report: "Delta indicated to the plaintiff and class members that the particular seats they chose had a 'window'; even though Delta knew full well they did not," the plaintiffs taking on Delta said in an 18-page complaint filed in federal court in New York, accusing the airline of false advertising and deceptive business practices.

Half of Delta's fleet of nearly 1,000 aircraft comprises Boeing 737s, Boeing 757s and Airbus A321s -- all of which have at least one wall-adjacent seat with no window, according to the plaintiffs. It's where vertical air conditioning riser ducts are located, making putting a window there impossible, the competing Alaska Airlines explains on its website. But unlike Alaska and others, the plaintiffs complain, Delta advertises the seats as having a window, offering them as a "window seat" option on its seat map during checkout.

Slashdot reader darwinmac writes: Volkswagen is offering a subscription model for extra horsepower on its ID.3 electric cars. Want to bump your ride from the standard 201 bhp to the full 228 bhp? That will be about £16.50 per month or £165 per year, or a one-time £649 "lifetime" fee that is tied to the car, not you. If you sell it, you have to pay again.

VW defended this to the BBC by saying you are basically paying for a sportier experience without buying a higher powered model upfront, calling it "nothing new." Nothing changes mechanically. You are just paying VW to essentially flip a boolean somewhere in the car's software.

AMD CEO Lisa Su said that chips produced at TSMC's new Arizona plant will cost 5-20% more than those made in Taiwan, but emphasized that the premium is worth it for supply chain resilience. Bloomberg reports: AMD expects its first chips from TSMC's Arizona facilities by the end of the year, Su said. The extra expense is worth it because the company is diversifying the crucial supply of chips, Su said in an interview with Bloomberg Television following her onstage appearance. That will make the industry less prone to the type of disruptions experienced during the pandemic. "We have to consider resiliency in the supply chain," she said. "We learned that in the pandemic."

TSMC's new Arizona plant is already comparable with those in Taiwan when it comes to the measure of yield -- the amount of good chips a production run produces per batch -- Su told the audience at the forum.

A massive review of over 160,000 people's step counts has revealed that meaningful health benefits begin far below the popular 10,000-step myth. The new study found that health benefits start at as low as 2,500 daily steps, with the biggest gains capping around 7,000. "People hitting 7,000 daily steps had a 47% lower risk of dying prematurely than those managing just 2,000 steps, plus extra protection against heart disease, cancer and dementia," reports The Conversation. From the report: The findings come from the biggest review of step counts and health ever done. Researchers gathered data from 57 separate studies tracking more than 160,000 people for up to two decades, then combined all the results to spot patterns that individual studies might miss. This approach, called a systematic review, gives scientists much more confidence in their conclusions than any single study could.

So where did that magic 10,000 number come from? A pedometer company called Yamasa wanted to cash in on 1964 Tokyo Olympics fever. It launched a device called Manpo-kei -- literally "10,000 steps meter." The Japanese character for 10,000 resembles a walking person, while 10,000 itself is a memorable round number. It was a clever marketing choice that stuck. At that time, there was no robust evidence for whether a target of 10,000 steps made sense. Early research suggested that jumping from a typical 3,000 to 5,000 daily steps to 10,000 would burn roughly 300 to 400 extra calories a day. So the target wasn't completely random -- just accidentally reasonable.

This latest research paper looked across a broad spectrum -- not just whether people died, but heart disease, cancer, diabetes, dementia, depression and even falls. The results tell a fascinating story. Even tiny increases matter. Jump from 2,000 to 4,000 steps daily and your death risk drops by 36%. That's a substantial improvement. But here's where it gets interesting. The biggest health benefits happen between zero and 7,000 steps. Beyond that, benefits keep coming, but they level off considerably. Studies have found meaningful benefits starting at just 2,517 steps per day. For some people, that could be as little as a 20-minute stroll around the block. Age changes everything, too. If you're over 60, you hit maximum benefits at 6,000 to 8,000 daily steps. Under 60? You need 8,000 to 10,000 steps for the same protection. Your 70-year-old neighbor gets 77% lower heart disease risk at just 4,500 steps daily.

The real secret of why fitness targets often fail? People give up on them. Research comparing different step goals found a clear pattern. Eighty-five per cent of people stuck with 10,000 daily steps. Bump it to 12,500 steps and only 77% kept going. Push for 15,000 steps and you lose nearly a third of people.

One in every 9 Americans lives in California. And right now its Congress is debating a bill that "would help establish a regional electricity market capable of tying together the American West's three dozen independent power grids," according to the Los Angeles Times' newsletter about climate change and energy issues.

But that bill "has bitterly divided environmentalists," with some seeing it "as a plot by greedy energy companies to enrich themselves." Supporters say it would smooth the flow of solar and wind power from the sunny, windy landscapes where they're produced most cheaply to the cities where they're most needed. It would help California keep the lights on without fossil fuels, and without driving up utility bills... [S]olar and wind power are still cheaper than planet-warming coal and fossil gas. Which is why Michael Wara, a Stanford energy and climate scholar, isn't worried that SB 540 will leave Californians drowning in dirty power. In a regional market, solar and wind will usually outcompete coal and gas. "Any energy source that requires fuel to operate is more expensive than an energy source that doesn't," he said.

California also needs to prove that a grid powered entirely by clean energy is affordable and reliable. The state's rising electric rates are already a big concern. And although the grid has been stable the last few years, thanks to batteries that store solar for after dark, keeping the lights on with more and more renewables might get harder. Regional market advocates make a strong case that interstate cooperation would help.

For instance, a market would help California more smoothly access Pacific Northwest hydropower, already a key energy source during heat waves. It would also give California easier access to low-cost winds from New Mexico and Wyoming. Best of all, that wind is often blowing strong just as the sun sets along the Pacific. Another benefit: Right now, California often generates more solar than it can use during certain hours of the day, forcing solar farms to shut down — or pay other states to take the extra power. With a regional market, California could sell excess solar to other states, keeping utility bills down. "This is about lowering costs," said Robin Everett, deputy director of the Sierra Club's Beyond Coal Campaign.
"Unlike with past regional market proposals, California would retain control of its grid operator, with only a few functions delegated to a regional entity," the article points out. But opponents still worry this would give new powers to an outside-of-California group to thwart clean energy progress (if not gouge customers). Amendments passed this week add a "Regional Energy Markets Oversight Council" to address that concern — but which lost support for the bill from some of its earlier supporters.

"The amendments would make it easier for the Golden State to bail," notes the climate newsletter, and "Out-of-state utilities don't want to waste time and money committing themselves to a California-led market only to lose California, and thus many of the economic benefits..."

ABC News reports that Ukrainian drones struck Moscow last night — over 100 of them — closing all four of Moscow's international airports and diverting at least 134 planes. And Ukrainian commanders estimate that drones now account for 70% of all Russian deaths and injuries, according to the BBC — which means attacks on the front line are filmed, logged, and counted.

"And now put to use too, as the Ukrainian military tries to extract every advantage it can against its much more powerful opponent." Under a scheme first trialled last year and dubbed "Army of Drones: Bonus" (also known as "e-points"), units can earn points for each Russian soldier killed or piece of equipment destroyed. And like a killstreak in Call of Duty, or a 1970s TV game show, points mean prizes [described later as "extra equipment."]

"The more strategically important and large-scale the target, the more points a unit receives," reads a statement from the team at Brave 1, which brings together experts from government and the military. "For example, destroying an enemy multiple rocket launch system earns up to 50 points; 40 points are awarded for a destroyed tank and 20 for a damaged one."

Call it the gamification of war.
The article concludes that the e-points scheme "is typical of the way Ukraine has fought this war: creative, out-of-the-box thinking designed to make the most of the country's innovative skills and minimise the effect of its numerical disadvantage."

And "It turns out that encouraging a Russian soldier to surrender is worth more points than killing one," the article notes — up to 10x more, since "a prisoner of war can always be used in future deals over prisoner exchanges."

Thanks to long-time Slashdot reader schwit1 for sharing the article.

Historian Garrett M. Graff describes his upcoming book, The Devil Reached Toward the Sky: An Oral History of the Making and Unleashing of the Atomic Bomb. "I assembled an oral history of the Manhattan Project, the bombings of Hiroshima and Nagasaki and the end of World War II in the Pacific, told through the voices of around 500 participants and witnesses of the events — including luminaries like Albert Einstein and Oppenheimer and political figures like President Harry Truman."

It was 80 years ago this week that physicists and 150 other leaders in the atomic bomb program "gathered in the desert outside Alamogordo, New Mexico, for the world's first test of a nuclear explosion." In an except from his upcoming book, Graff publishes quotes from eyewitness: Brig. Gen. Leslie Groves: I had become a bit annoyed with Fermi when he suddenly offered to take wagers from his fellow scientists on whether or not the bomb would ignite the atmosphere, and if so, whether it would merely destroy New Mexico or destroy the world. He had also said that after all it wouldn't make any difference whether the bomb went off or not because it would still have been a well worthwhile scientific experiment. For if it did fail to go off, we would have proved that an atomic explosion was not possible. Afterward, I realized that his talk had served to smooth down the frayed nerves and ease the tension of the people at the base camp, and I have always thought that this was his conscious purpose. Certainly, he himself showed no signs of tension that I could see...

As the hour approached, we had to postpone the test — first for an hour and then later for 30 minutes more — so that the explosion was actually three- and one-half hours behind the original schedule... Our preparations were simple. Everyone was told to lie face down on the ground, with his feet toward the blast, to close his eyes and to cover his eyes with his hands as the countdown approached zero. As soon as they became aware of the flash they could turn over and sit or stand up, covering their eyes with the smoked glass with which each had been supplied... The quiet grew more intense. I, myself, was on the ground between Bush and Conant...

Edward Teller: We all were lying on the ground, supposedly with our backs turned to the explosion. But I had decided to disobey that instruction and instead looked straight at the bomb. I was wearing the welder's glasses that we had been given so that the light from the bomb would not damage our eyes. But because I wanted to face the explosion, I had decided to add some extra protection. I put on dark glasses under the welder's glasses, rubbed some ointment on my face to prevent sunburn from the radiation, and pulled on thick gloves to press the welding glasses to my face to prevent light from entering at the sides... We all listened anxiously as the broadcast of the final countdown started; but, for whatever reason, the transmission ended at minus five seconds...

Kenneth T. Bainbridge: My personal nightmare was knowing that if the bomb didn't go off or hang-fired, I, as head of the test, would have to go to the tower first and seek to find out what had gone wrong...

Brig. Gen. Thomas F. Farrell: Dr. Oppenheimer held on to a post to steady himself. For the last few seconds, he stared directly ahead.
A few examples of how they remembered the explosion:

• William L. Laurence: There rose from the bowels of the earth a light not of this world, the light of many suns in one.

• Kenneth T. Bainbridge: I felt the heat on the back of my neck, disturbingly warm.

• George B. Kistiakowsky: I am sure that at the end of the world — in the last millisecond of the earth's existence — the last man will see what we have just seen.

• Brig. Gen. Thomas F. Farrell: Oppenheimer's face relaxed into an expression of tremendous relief.

• J. Robert Oppenheimer: We knew the world would not be the same. A few people laughed, a few people cried.

• Norris Bradbury, physicist, Los Alamos Lab: Some people claim to have wondered at the time about the future of mankind. I didn't. We were at war, and the damned thing worked.

Longtime Slashdot reader Qbertino writes: Heise, a German IT news publisher, reports (English version via Google Translate) that the German state of Brandenburg is getting the world's tallest wind turbine, with an overall height of 300 meters (approximately 365 meters including rotor blades), designed to capture so-called third-level winds at higher altitudes. The article also includes a short 3D animation illustrating the construction and its size relative to standard modern wind turbines. The wind turbine uses a dual-framework base instead of a traditional closed tower to access stronger high-altitude winds, aiming to match offshore energy output while keeping onshore operating costs.

According to Heise, the prototype could lead to the installation of up to 1,000 units across Germany -- fitting seamlessly between existing wind farms without needing extra land.

An anonymous reader quotes a report from Bloomberg: CoreWeave is expanding a data center that is projected to double the electricity needs of a city near Dallas, another example of the strains that artificial intelligence workloads are placing on the US power supply. Local officials have grappled with how to handle the increased stress on the electricity grid from the project, according to a late 2024 presentation and emails seen by Bloomberg. The site is being developed by Core Scientific and will be used by OpenAI in Denton, Texas. Last week, CoreWeave announced it would acquire Core Scientific for about $9 billion, in part, to gain direct control of its data centers aimed at supplying AI work.

Denton, about 50 miles northwest of Dallas, has almost doubled its population in the last 25 years to about 166,000 residents. To meet the spike in AI-related power demand, the city is passing on any extra costs to the data center operator and constructing additional grid infrastructure, Antonio Puente, general manager of local utility Denton Municipal Electric, said in an interview. "To serve the entire load from Core Scientific, we do have some transmission challenges," Puente said. "We will have to make some additional transmission investments." [...] Like some other large AI data center projects, the site in Denton was focused on cryptocurrency mining before pivoting to AI workloads in December. This transition means unrelenting power consumption -- the site will no longer curtail operations when power prices are high -- which will increase grid strain. "Now you're talking about a facility that has to have energy 24 hours a day, 365 days a year," Puente said. That challenge will be mitigated by the addition of backup generators and batteries, he added.

Unlike many large projects, the Denton data center didn't receive local tax exemptions. Officials expect more than $600 million in property and sales tax from the data center expansion, more than double the costs it plans to incur, according to an analysis document seen by Bloomberg. It also anticipates that 135 new jobs will be created, according to the document. The Denton site, which is already being rented by CoreWeave, is Core Scientific's largest planned project at about 390 megawatts of power. It's "utilizing the majority of extra system capacity" in the city, wrote a utility executive in a January email seen by Bloomberg. Any additional large power users will exacerbate overloads on the grid, the executive added. "When fully built out, it will host one of the largest GPU clusters in North America," Core Scientific Chief Executive Officer Adam Sullivan said of the site during a May call. "Denton is a flagship facility."

The report notes that Texas could face electricity shortages as soon as 2026 due to surging power demand from data centers, oil and gas operations, and crypto mining.