Prehistoric builders transported Devil's Arrows 11 miles

Prehistoric builders transported Devil's Arrows 11 miles

fivenewscrypto    septembre 15, 2026   

Stonehenge is the most famous example of megalithic architecture across Britain and Ireland, but there are plenty of others, including Calanais, Newgrange, and Avebury, as well as the Devil's Arrows. The latter is Britain's tallest standing stone alignment, yet little is known about the provenance of its stones. Scientists have confirmed that the stones came from a site 18 kilometers (11 miles) away, transported by humans rather than glacial movement, according to a paper published in the Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

"Sites in southern England and Scotland receive considerable attention but monuments like the Devil's Arrows have remained comparatively understudied despite their significance," said co-author Jim Leary of the University of York. "We have now proved that Neolithic communities moved several 25-ton stones across Yorkshire, transforming a familiar site into an epic quest to create a sacred landscape."

Stonehenge has been the focus of recent chemical analyses identifying where all the stones that make up the structure came from, revealing that many originated in quarries a significant distance away. For instance, a 2019 study concluded that the 42 bluestones that make up the inner ring came all the way from western Wales. The outer layer of sarsen stones hails from much closer to home: Marlborough Downs, an area of round, grassy hills 25 to 30 km (17 miles) north of Stonehenge, which has the largest concentration of sarsen in the UK.

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Steam Frame: The Ars Technica review

Steam Frame: The Ars Technica review

fivenewscrypto    septembre 15, 2026   

In the 2010s, Valve was at the forefront of a virtual reality revolution that looked to some like it would upend the gaming industry. The Valve of six to ten years ago seemed committed to being a major player in the world of PC-connected VR headsets, first through its “strategic partnership” with HTC on the impressive-for-the-time Vive headset (plus the SteamVR platform standard that powered it) and then years later with its own Index headset (and proof-of-concept adventure Half-Life: Alyx).

Then came the Meta (previously Oculus) Quest, a low-powered, low-cost headset that proved the vast majority of VR-curious gamers didn’t want to bother with being literally tethered to a bulky, expensive gaming PC. As the Quest line carved out a modest niche through the 2020s, Valve seemed more or less satisfied to let its earlier VR hardware and software ambitions wither on the vine.

Those years of Valve’s benign neglect of VR make the imminent release of the $1,059 Steam Frame—which starts taking reservations today—more than a little surprising. Now that virtual reality’s hype-fueled, revolutionary promises have decidedly not played out, Valve is somehow ready and willing to limp headfirst into the world of standalone VR headsets—today, in 2026. And after spending a week or so with Valve’s latest foray into gaming hardware, the Frame somehow feels simultaneously overengineered and underbaked, depending on how you look at it.

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"Offensively cheap": Solar power is looking up

"Offensively cheap": Solar power is looking up

fivenewscrypto    septembre 15, 2026   

In the badlands of Chakwal, in north-central Pakistan, Bestway Cement is transforming plots of dry earth and olive and peach groves into a forest of solar panels.

Its efforts will add 6.34 megawatts of generation capacity by the end of the year, the company says, in addition to the 26 MW of photovoltaic cells currently in place. Already, solar generates over a quarter of the electricity powering its cement plant.

“It’s the only way we can compete,” says Abdul Waheed, the general manager at Chakwal, which produces over 3 million tonnes of cement per year. “Our rivals have already gone in this direction.”

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New corners, new lights for 2028 Volvo XC40

New corners, new lights for 2028 Volvo XC40

fivenewscrypto    septembre 15, 2026   

Volvo provided flights from Washington, DC, to London, England, and accommodation so Ars could see its refreshed vehicles. Ars does not accept paid editorial content.

Most cars get a midlife facelift about four years after first hitting the streets. It’s a chance for automakers to update the styling and introduce new features and engineering changes that are usually minor but can be quite dramatic—the Polestar 2 swapping from front- to rear-wheel drive comes readily to mind. I can’t think of too many cars that have gone on to have a second update, but here’s one: the 2028 Volvo XC40.

First debuting in 2017, Volvo gave the XC40 a tweak for model year 2023. Rather than launch an all-new version, it has decided to give the popular crossover another update for MY28 with the aim of keeping things fresh. “By enhancing the XC40’s design, technology, and safety features, we've created the best version of the XC40 yet,” said Akhil Krishnan, interim lead for the 30 and 40 Series at Volvo Cars. “This already-popular model is now set to continue being one of our best-selling cars for years to come.”

The most obvious changes are the new front and rear lights. Up front we still see the distinctive “Thor’s Hammer” daylight running light signature, but the new matrix LED light clusters appear more minimalist, hiding their details from view. The rear similarly gets new LEDs. But Volvo’s designers have been at work elsewhere, shaving away the corners of the car to make what was already a small SUV take up slightly less room.

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F1 in Madrid: Like Monaco but twice as long and none of the glamour

F1 in Madrid: Like Monaco but twice as long and none of the glamour

fivenewscrypto    septembre 14, 2026   

It’s been quite a couple of weeks for Formula 1. First, its annual visit to one of the oldest tracks on the calendar, the Italian temple of speed that is Monza, just outside Milan. Apologies for no Ars report, but your correspondent was on the ground, on vacation, learning the hard way that attempts to call the circuit “accessible by public transport” can still involve walking several miles. The place was packed with Tifosi—the hardcore Italian superfans—dressed in red, who had their hopes dashed almost immediately as Charles Leclerc first ruined his teammate’s race, then his own, all within the first two laps.

Salvation came in the form of the first Italian title contender in my lifetime, Mercedes’ Kimi Antonelli. Opting to take a new engine and other power unit components meant Antonelli would start the race from 19th. But the kid is in fine form right now, and Monza’s long straights and slow corners make for several good overtaking spots. I declared to my race companions that morning that “he’s going to podium, easily,” but if anything, I was too cautious. By the time Leclerc’s heavy crash at Parabolica had stopped the race, Antonelli was already up to 12th.

From the second standing start, on fresh medium tires and still needing a second pitstop, he made short work of the rest of the grid, including his teammate George Russell, who spent much of the race in the lead, on a theoretically faster one-stop strategy. Even a mistake from Antonelli that saw him make an excursion through a gravel trap as he tried to pass Russell couldn’t stop his charge, and he became the first Italian to win the Italian Grand Prix in 60 years—fairy tale stuff, surely.

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Unvaccinated Pennsylvania woman died of measles complications, coroner says

Unvaccinated Pennsylvania woman died of measles complications, coroner says

fivenewscrypto    septembre 14, 2026   

A 40-year-old woman in Jefferson County, Pennsylvania, has died of complications from measles, according to the county's coroner.

It marks the third vaccine-preventable, measles-linked death in the US this year. All three have occurred in Pennsylvania, which is experiencing an explosive outbreak that has caused over 670 cases and 124 hospitalizations across 37 counties. Prior to these deaths, Pennsylvania had not reported a measles death in 35 years.

In a news release dated September 12, Jefferson County Coroner Greg Furlong said the death of the woman was "a heartbreaking loss for the family and an unfortunate reminder that measles can be a serious and potentially life-threatening disease."

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I fixed a tractor using John Deere’s self-repair service. Farmers aren’t sold on it.

I fixed a tractor using John Deere’s self-repair service. Farmers aren’t sold on it.

fivenewscrypto    septembre 14, 2026   

There is something wrong with the tractor. The water-in-fuel sensor, a small device embedded in the John Deere machine that monitors the integrity of its diesel engine, is disconnected. And I’ve got to fix it.

I’m not a mechanic or a farmer. I’m poking at a laptop at John Deere’s corporate office in Santa Clara, California. There’s a cable connecting the computer to a 5130ML tractor sitting on the grass nearby. A bright red notification sits on the screen, telling me something is wrong. I type in a question and the software pulls up instructions and a few images from the user manual that matches the serial number of the machine.

Credit: Boone Ashworth

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